231/235 Chouhan House, 2nd Kumbharwada Lane, Sant Sena Maharaj Marg, Mumbai, Maharashtra 400004, India
+91 95946 66986 · sanjay@steelimp.com · steelimp.com
GSTIN 27ADJPJ5621J1ZF · Reference copy · 11 November 2026
STEEL IMPEX INDIA · ENGINEERING REFERENCE
Valve Types & Dimensions: Gate, Globe, Ball & Check
Identify the valve mechanism, body and trim material, end connection and pressure class before checking dimensions. Browse gate, globe, ball, butterfly, check, needle, diaphragm and other valve types, with source-specific dimensional charts.
Open reference Common questions41 valves varieties
Wedge gate valveGate · API 600 / API 603

Solid / flexible wedge
Specify fluid, design pressure and temperature, end connection, body and trim, seat, actuation and testing. Class is not a pressure in psi. Dimensions depend on the exact model and standard series.
Identification sketch only. Use the exact manufacturer drawing for tolerances and manufacture.
Slab gate valveGate · API 6D

Through-conduit / subsea
Specify fluid, design pressure and temperature, end connection, body and trim, seat, actuation and testing. Class is not a pressure in psi. Dimensions depend on the exact model and standard series.
Identification sketch only. Use the exact manufacturer drawing for tolerances and manufacture.
Expanding gate valveGate · API 6D

Expanding closure
Specify fluid, design pressure and temperature, end connection, body and trim, seat, actuation and testing. Class is not a pressure in psi. Dimensions depend on the exact model and standard series.
Identification sketch only. Use the exact manufacturer drawing for tolerances and manufacture.
Parallel-slide gate valveGate ·

Parallel sealing faces
Specify fluid, design pressure and temperature, end connection, body and trim, seat, actuation and testing. Class is not a pressure in psi. Dimensions depend on the exact model and standard series.
Identification sketch only. Use the exact manufacturer drawing for tolerances and manufacture.
Globe valveGlobe · ASME B16.34

Straight / Y-pattern
Specify fluid, design pressure and temperature, end connection, body and trim, seat, actuation and testing. Class is not a pressure in psi. Dimensions depend on the exact model and standard series.
Identification sketch only. Use the exact manufacturer drawing for tolerances and manufacture.
Angle globe valveGlobe ·

Right-angle flow path
Specify fluid, design pressure and temperature, end connection, body and trim, seat, actuation and testing. Class is not a pressure in psi. Dimensions depend on the exact model and standard series.
Identification sketch only. Use the exact manufacturer drawing for tolerances and manufacture.
Floating ball valveBall ·

Two-piece / three-piece
Specify fluid, design pressure and temperature, end connection, body and trim, seat, actuation and testing. Class is not a pressure in psi. Dimensions depend on the exact model and standard series.
Identification sketch only. Use the exact manufacturer drawing for tolerances and manufacture.
Trunnion ball valveBall · API 6D

Side-entry / top-entry / welded body
Specify fluid, design pressure and temperature, end connection, body and trim, seat, actuation and testing. Class is not a pressure in psi. Dimensions depend on the exact model and standard series.
Identification sketch only. Use the exact manufacturer drawing for tolerances and manufacture.
Segmented V-ball control valveControl ·

Characterised segment
Specify fluid, design pressure and temperature, end connection, body and trim, seat, actuation and testing. Class is not a pressure in psi. Dimensions depend on the exact model and standard series.
Identification sketch only. Use the exact manufacturer drawing for tolerances and manufacture.
Concentric butterfly valveButterfly · API 609

Wafer / lug / double flange
Specify fluid, design pressure and temperature, end connection, body and trim, seat, actuation and testing. Class is not a pressure in psi. Dimensions depend on the exact model and standard series.
Identification sketch only. Use the exact manufacturer drawing for tolerances and manufacture.
Double-offset butterfly valveButterfly · API 609

High-performance design
Specify fluid, design pressure and temperature, end connection, body and trim, seat, actuation and testing. Class is not a pressure in psi. Dimensions depend on the exact model and standard series.
Identification sketch only. Use the exact manufacturer drawing for tolerances and manufacture.
Triple-offset butterfly valveButterfly · API 609

Metal sealing
Specify fluid, design pressure and temperature, end connection, body and trim, seat, actuation and testing. Class is not a pressure in psi. Dimensions depend on the exact model and standard series.
Identification sketch only. Use the exact manufacturer drawing for tolerances and manufacture.
Swing check valveCheck · ASME B16.34

Hinged disc
Specify fluid, design pressure and temperature, end connection, body and trim, seat, actuation and testing. Class is not a pressure in psi. Dimensions depend on the exact model and standard series.
Identification sketch only. Use the exact manufacturer drawing for tolerances and manufacture.
Dual-plate check valveCheck · API 594

Two spring-loaded plates
Specify fluid, design pressure and temperature, end connection, body and trim, seat, actuation and testing. Class is not a pressure in psi. Dimensions depend on the exact model and standard series.
Identification sketch only. Use the exact manufacturer drawing for tolerances and manufacture.
Lift check valveCheck ·

Guided lifting disc
Specify fluid, design pressure and temperature, end connection, body and trim, seat, actuation and testing. Class is not a pressure in psi. Dimensions depend on the exact model and standard series.
Identification sketch only. Use the exact manufacturer drawing for tolerances and manufacture.
Nozzle check valveCheck ·

Axial guided closure
Specify fluid, design pressure and temperature, end connection, body and trim, seat, actuation and testing. Class is not a pressure in psi. Dimensions depend on the exact model and standard series.
Identification sketch only. Use the exact manufacturer drawing for tolerances and manufacture.
Tilting-disc check valveCheck ·

Tilting disc
Specify fluid, design pressure and temperature, end connection, body and trim, seat, actuation and testing. Class is not a pressure in psi. Dimensions depend on the exact model and standard series.
Identification sketch only. Use the exact manufacturer drawing for tolerances and manufacture.
Plug valvePlug ·

Lubricated / sleeved / lined
Specify fluid, design pressure and temperature, end connection, body and trim, seat, actuation and testing. Class is not a pressure in psi. Dimensions depend on the exact model and standard series.
Identification sketch only. Use the exact manufacturer drawing for tolerances and manufacture.
Diaphragm valveDiaphragm ·

Weir / straight-through
Specify fluid, design pressure and temperature, end connection, body and trim, seat, actuation and testing. Class is not a pressure in psi. Dimensions depend on the exact model and standard series.
Identification sketch only. Use the exact manufacturer drawing for tolerances and manufacture.
Lined valveLined ·

PFA-lined designs
Specify fluid, design pressure and temperature, end connection, body and trim, seat, actuation and testing. Class is not a pressure in psi. Dimensions depend on the exact model and standard series.
Identification sketch only. Use the exact manufacturer drawing for tolerances and manufacture.
Cryogenic valveSpecial service ·

Extended bonnet / qualified design
Specify fluid, design pressure and temperature, end connection, body and trim, seat, actuation and testing. Class is not a pressure in psi. Dimensions depend on the exact model and standard series.
Identification sketch only. Use the exact manufacturer drawing for tolerances and manufacture.
Pressure-seal valveSpecial service ·

Gate / globe / check
Specify fluid, design pressure and temperature, end connection, body and trim, seat, actuation and testing. Class is not a pressure in psi. Dimensions depend on the exact model and standard series.
Identification sketch only. Use the exact manufacturer drawing for tolerances and manufacture.
Bellows-sealed valveSpecial service ·

Gate / globe
Specify fluid, design pressure and temperature, end connection, body and trim, seat, actuation and testing. Class is not a pressure in psi. Dimensions depend on the exact model and standard series.
Identification sketch only. Use the exact manufacturer drawing for tolerances and manufacture.
Three-way control valveControl ·

Mixing / diverting
Specify fluid, design pressure and temperature, end connection, body and trim, seat, actuation and testing. Class is not a pressure in psi. Dimensions depend on the exact model and standard series.
Identification sketch only. Use the exact manufacturer drawing for tolerances and manufacture.
Severe-service control valveControl ·

Multistage / anti-cavitation / low-noise trim
Specify fluid, design pressure and temperature, end connection, body and trim, seat, actuation and testing. Class is not a pressure in psi. Dimensions depend on the exact model and standard series.
Identification sketch only. Use the exact manufacturer drawing for tolerances and manufacture.
Steam-conditioning valveControl ·

Pressure and temperature conditioning
Specify fluid, design pressure and temperature, end connection, body and trim, seat, actuation and testing. Class is not a pressure in psi. Dimensions depend on the exact model and standard series.
Identification sketch only. Use the exact manufacturer drawing for tolerances and manufacture.
Float valveWaterworks ·

Level control
Specify fluid, design pressure and temperature, end connection, body and trim, seat, actuation and testing. Class is not a pressure in psi. Dimensions depend on the exact model and standard series.
Identification sketch only. Use the exact manufacturer drawing for tolerances and manufacture.
Sluice valveWaterworks ·

Rising / non-rising stem
Specify fluid, design pressure and temperature, end connection, body and trim, seat, actuation and testing. Class is not a pressure in psi. Dimensions depend on the exact model and standard series.
Identification sketch only. Use the exact manufacturer drawing for tolerances and manufacture.
Automated isolation valveActuated ·

Pneumatic / electric / hydraulic actuator
Specify fluid, design pressure and temperature, end connection, body and trim, seat, actuation and testing. Class is not a pressure in psi. Dimensions depend on the exact model and standard series.
Identification sketch only. Use the exact manufacturer drawing for tolerances and manufacture.
Needle valveInstrumentation ·

Fine stem / seat
Specify fluid, design pressure and temperature, end connection, body and trim, seat, actuation and testing. Class is not a pressure in psi. Dimensions depend on the exact model and standard series.
Identification sketch only. Use the exact manufacturer drawing for tolerances and manufacture.
Metering valveInstrumentation ·

Fine flow adjustment
Specify fluid, design pressure and temperature, end connection, body and trim, seat, actuation and testing. Class is not a pressure in psi. Dimensions depend on the exact model and standard series.
Identification sketch only. Use the exact manufacturer drawing for tolerances and manufacture.
Instrument manifoldInstrumentation ·

Multiple isolation / bleed passages
Specify fluid, design pressure and temperature, end connection, body and trim, seat, actuation and testing. Class is not a pressure in psi. Dimensions depend on the exact model and standard series.
Identification sketch only. Use the exact manufacturer drawing for tolerances and manufacture.
Excess-flow valveInstrumentation ·

Flow-triggered closure
Specify fluid, design pressure and temperature, end connection, body and trim, seat, actuation and testing. Class is not a pressure in psi. Dimensions depend on the exact model and standard series.
Identification sketch only. Use the exact manufacturer drawing for tolerances and manufacture.
Safety valvePressure protection ·

Model-specific set pressure and certified capacity
Specify fluid, design pressure and temperature, end connection, body and trim, seat, actuation and testing. Class is not a pressure in psi. Dimensions depend on the exact model and standard series.
Identification sketch only. Use the exact manufacturer drawing for tolerances and manufacture.
Pressure-reducing valvePressure control ·

Direct / pilot-operated
Specify fluid, design pressure and temperature, end connection, body and trim, seat, actuation and testing. Class is not a pressure in psi. Dimensions depend on the exact model and standard series.
Identification sketch only. Use the exact manufacturer drawing for tolerances and manufacture.
Surplussing valvePressure control ·

Upstream / back-pressure control
Specify fluid, design pressure and temperature, end connection, body and trim, seat, actuation and testing. Class is not a pressure in psi. Dimensions depend on the exact model and standard series.
Identification sketch only. Use the exact manufacturer drawing for tolerances and manufacture.
Air vent / eliminatorWaterworks ·

Automatic air removal
Specify fluid, design pressure and temperature, end connection, body and trim, seat, actuation and testing. Class is not a pressure in psi. Dimensions depend on the exact model and standard series.
Identification sketch only. Use the exact manufacturer drawing for tolerances and manufacture.
Vacuum breakerPressure control ·

Vacuum relief
Specify fluid, design pressure and temperature, end connection, body and trim, seat, actuation and testing. Class is not a pressure in psi. Dimensions depend on the exact model and standard series.
Identification sketch only. Use the exact manufacturer drawing for tolerances and manufacture.
Pinch valvePinch ·

Flexible tube compression
Specify fluid, design pressure and temperature, end connection, body and trim, seat, actuation and testing. Class is not a pressure in psi. Dimensions depend on the exact model and standard series.
Identification sketch only. Use the exact manufacturer drawing for tolerances and manufacture.
Knife gate valveGate ·

Blade closure
Specify fluid, design pressure and temperature, end connection, body and trim, seat, actuation and testing. Class is not a pressure in psi. Dimensions depend on the exact model and standard series.
Identification sketch only. Use the exact manufacturer drawing for tolerances and manufacture.
Solenoid valveActuated ·

Pilot-operated 3/2 model reference
Specify fluid, design pressure and temperature, end connection, body and trim, seat, actuation and testing. Class is not a pressure in psi. Dimensions depend on the exact model and standard series.
Identification sketch only. Use the exact manufacturer drawing for tolerances and manufacture.
Manufacturer-specific dimensions and PDF charts
Each table retains its own model, material, limit definitions and source page. Blank or unlisted sizes are not estimates.
L&T corrosion-resistant gate valve · 31 sizes/classes
Dimensions belong to this manufacturer catalogue. Confirm its current drawing and revision before ordering; other designs can differ.
Class is a rating designation, not pressure in psi. This table supplies no pressure-temperature rating.
All published dimensional rows retained. Gate NPS 22 appears in the range matrix but has no dimensional row; no dimensions are invented for it.
Original manufacturer source · page 5
| Size / class | A face-to-face (mm) | B open height (mm) | C handwheel diameter (mm) | D bore (mm) | Approximate mass (kg) |
|---|---|---|---|---|---|
| NPS 2 / DN 50 · Class 150 | 178 | 360 | 203 | 50.8 | 14 |
| NPS 2 / DN 50 · Class 300 | 216 | 370 | 203 | 50.8 | 21 |
| NPS 2 / DN 50 · Class 600 | 292 | 395 | 203 | 50.8 | 33 |
| NPS 3 / DN 80 · Class 150 | 203 | 480 | 203 | 76.2 | 26 |
| NPS 3 / DN 80 · Class 300 | 283 | 505 | 229 | 76.2 | 42 |
| NPS 3 / DN 80 · Class 600 | 356 | 540 | 254 | 76.2 | 54 |
| NPS 4 / DN 100 · Class 150 | 229 | 580 | 229 | 101.6 | 40 |
| NPS 4 / DN 100 · Class 300 | 305 | 600 | 254 | 101.6 | 62 |
| NPS 4 / DN 100 · Class 600 | 432 | 635 | 305 | 101.6 | 95 |
| NPS 6 / DN 150 · Class 150 | 267 | 790 | 254 | 152.4 | 65 |
| NPS 6 / DN 150 · Class 300 | 403 | 850 | 356 | 152.4 | 125 |
| NPS 6 / DN 150 · Class 600 | 559 | 870 | 457 | 152.4 | 200 |
| NPS 8 / DN 200 · Class 150 | 292 | 990 | 356 | 203.2 | 104 |
| NPS 8 / DN 200 · Class 300 | 419 | 1035 | 406 | 203.2 | 185 |
| NPS 8 / DN 200 · Class 600 | 660 | 1040 | 457 | 199.9 | 340 |
| NPS 10 / DN 250 · Class 150 | 330 | 1200 | 406 | 254 | 150 |
| NPS 10 / DN 250 · Class 300 | 457 | 1265 | 457 | 254 | 285 |
| NPS 10 / DN 250 · Class 600 | 787 | 1465 | 630 | 247.7 | 560 |
| NPS 12 / DN 300 · Class 150 | 356 | 1400 | 457 | 304.8 | 225 |
| NPS 12 / DN 300 · Class 300 | 502 | 1460 | 508 | 304.8 | 400 |
| NPS 12 / DN 300 · Class 600 | 838 | 1695 | 630 | 298.5 | 780 |
| NPS 14 / DN 350 · Class 150 | 381 | 1530 | 508 | 336.6 | 350 |
| NPS 14 / DN 350 · Class 300 | 762 | 1770 | 500 | 336.6 | 620 |
| NPS 16 / DN 400 · Class 150 | 406 | 1900 | 500 | 387.4 | 450 |
| NPS 16 / DN 400 · Class 300 | 838 | 1995 | 630 | 387.4 | 800 |
| NPS 18 / DN 450 · Class 150 | 432 | 2150 | 500 | 438.2 | 565 |
| NPS 18 / DN 450 · Class 300 | 914 | 2320 | 710 | 431.8 | 1100 |
| NPS 20 / DN 500 · Class 150 | 457 | 2370 | 630 | 489 | 720 |
| NPS 20 / DN 500 · Class 300 | 991 | 2500 | 710 | 482.6 | 1375 |
| NPS 24 / DN 600 · Class 150 | 508 | 2650 | 630 | 590.6 | 1160 |
| NPS 24 / DN 600 · Class 300 | 1143 | 2900 | 800 | 584.2 | 2100 |
L&T corrosion-resistant globe valve · 21 sizes/classes
Dimensions belong to this manufacturer catalogue. Confirm its current drawing and revision before ordering; other designs can differ.
Class is a rating designation, not pressure in psi. This table supplies no pressure-temperature rating.
Manufacturer body material example: ASTM A351 CF8M; other material options require confirmation.
Original manufacturer source · page 6
| Size / class | A face-to-face (mm) | B open height (mm) | C handwheel diameter (mm) | D bore (mm) | Approximate mass (kg) |
|---|---|---|---|---|---|
| NPS 2 / DN 50 · Class 150 | 203 | 380 | 203 | 50.8 | 18 |
| NPS 2 / DN 50 · Class 300 | 267 | 415 | 203 | 50.8 | 25 |
| NPS 2 / DN 50 · Class 600 | 292 | 475 | 254 | 50.8 | 35 |
| NPS 3 / DN 80 · Class 150 | 241 | 460 | 254 | 76.2 | 32 |
| NPS 3 / DN 80 · Class 300 | 318 | 515 | 254 | 76.2 | 45 |
| NPS 3 / DN 80 · Class 600 | 356 | 585 | 356 | 76.2 | 60 |
| NPS 4 / DN 100 · Class 150 | 292 | 535 | 305 | 101.6 | 50 |
| NPS 4 / DN 100 · Class 300 | 356 | 605 | 356 | 101.6 | 75 |
| NPS 4 / DN 100 · Class 600 | 432 | 665 | 406 | 101.6 | 105 |
| NPS 6 / DN 150 · Class 150 | 406 | 610 | 356 | 152.4 | 90 |
| NPS 6 / DN 150 · Class 300 | 444 | 715 | 457 | 152.4 | 150 |
| NPS 6 / DN 150 · Class 600 | 559 | 1085 | 710 | 152.4 | 205 |
| NPS 8 / DN 200 · Class 150 | 495 | 775 | 457 | 203.2 | 180 |
| NPS 8 / DN 200 · Class 300 | 559 | 1185 | 710 | 203.2 | 325 |
| NPS 8 / DN 200 · Class 600 | 660 | 1400 | 800 | 199.9 | 570 |
| NPS 10 / DN 250 · Class 150 | 622 | 970 | 500 | 254 | 300 |
| NPS 10 / DN 250 · Class 300 | 622 | 1290 | 800 | 254 | 550 |
| NPS 10 / DN 250 · Class 600 | 787 | 1570 | 800 | 247.7 | 805 |
| NPS 12 / DN 300 · Class 150 | 698 | 1195 | 710 | 304.8 | 390 |
| NPS 12 / DN 300 · Class 300 | 711 | 1480 | 800 | 304.8 | 675 |
| NPS 12 / DN 300 · Class 600 | 838 | 1810 | 800 | 298.5 | 1040 |
L&T corrosion-resistant check valve · 21 sizes/classes
Dimensions belong to this manufacturer catalogue. Confirm its current drawing and revision before ordering; other designs can differ.
Class is a rating designation, not pressure in psi. This table supplies no pressure-temperature rating.
Manufacturer body material example: ASTM A351 CF8M; other material options require confirmation.
Original manufacturer source · page 7
| Size / class | A face-to-face (mm) | B height, ±5% (mm) | C bore (mm) | Approximate mass (kg) |
|---|---|---|---|---|
| NPS 2 / DN 50 · Class 150 | 203 | 150 | 50.8 | 11 |
| NPS 2 / DN 50 · Class 300 | 267 | 160 | 50.8 | 19 |
| NPS 2 / DN 50 · Class 600 | 292 | 175 | 50.8 | 26 |
| NPS 3 / DN 80 · Class 150 | 241 | 180 | 76.2 | 25 |
| NPS 3 / DN 80 · Class 300 | 318 | 190 | 76.2 | 35 |
| NPS 3 / DN 80 · Class 600 | 356 | 200 | 76.2 | 40 |
| NPS 4 / DN 100 · Class 150 | 292 | 210 | 101.6 | 35 |
| NPS 4 / DN 100 · Class 300 | 356 | 225 | 101.6 | 53 |
| NPS 4 / DN 100 · Class 600 | 432 | 245 | 101.6 | 70 |
| NPS 6 / DN 150 · Class 150 | 356 | 265 | 152.4 | 65 |
| NPS 6 / DN 150 · Class 300 | 444 | 315 | 152.4 | 110 |
| NPS 6 / DN 150 · Class 600 | 559 | 330 | 152.4 | 150 |
| NPS 8 / DN 200 · Class 150 | 495 | 325 | 203.2 | 120 |
| NPS 8 / DN 200 · Class 300 | 533 | 365 | 203.2 | 175 |
| NPS 8 / DN 200 · Class 600 | 660 | 410 | 199.9 | 240 |
| NPS 10 / DN 250 · Class 150 | 622 | 405 | 254 | 235 |
| NPS 10 / DN 250 · Class 300 | 622 | 410 | 254 | 245 |
| NPS 10 / DN 250 · Class 600 | 787 | 495 | 247.7 | 410 |
| NPS 12 / DN 300 · Class 150 | 698 | 455 | 304.8 | 275 |
| NPS 12 / DN 300 · Class 300 | 711 | 485 | 304.8 | 360 |
| NPS 12 / DN 300 · Class 600 | 838 | 570 | 298.5 | 630 |
Material and grade designations
A material alloy, bolt grade, nut grade and mechanical property class describe different requirements. These references supplement the 318-grade finder; they are not automatic equivalents.
ASTM A216 WCAValve body / trim material
Cast and forged product specifications remain distinct. Pressure-temperature rating requires the applicable material group, valve design and standard edition.
ASTM A216 WCBValve body / trim material
Cast and forged product specifications remain distinct. Pressure-temperature rating requires the applicable material group, valve design and standard edition.
ASTM A216 WCCValve body / trim material
Cast and forged product specifications remain distinct. Pressure-temperature rating requires the applicable material group, valve design and standard edition.
ASTM A352 LCAValve body / trim material
Cast and forged product specifications remain distinct. Pressure-temperature rating requires the applicable material group, valve design and standard edition.
ASTM A352 LCBValve body / trim material
Cast and forged product specifications remain distinct. Pressure-temperature rating requires the applicable material group, valve design and standard edition.
ASTM A352 LCCValve body / trim material
Cast and forged product specifications remain distinct. Pressure-temperature rating requires the applicable material group, valve design and standard edition.
ASTM A352 LC3Valve body / trim material
Cast and forged product specifications remain distinct. Pressure-temperature rating requires the applicable material group, valve design and standard edition.
ASTM A217 WC1Valve body / trim material
Cast and forged product specifications remain distinct. Pressure-temperature rating requires the applicable material group, valve design and standard edition.
ASTM A217 WC6Valve body / trim material
Cast and forged product specifications remain distinct. Pressure-temperature rating requires the applicable material group, valve design and standard edition.
ASTM A217 WC9Valve body / trim material
Cast and forged product specifications remain distinct. Pressure-temperature rating requires the applicable material group, valve design and standard edition.
ASTM A217 C5Valve body / trim material
Cast and forged product specifications remain distinct. Pressure-temperature rating requires the applicable material group, valve design and standard edition.
ASTM A217 C12Valve body / trim material
Cast and forged product specifications remain distinct. Pressure-temperature rating requires the applicable material group, valve design and standard edition.
ASTM A217 C12AValve body / trim material
Cast and forged product specifications remain distinct. Pressure-temperature rating requires the applicable material group, valve design and standard edition.
ASTM A351 CF8Valve body / trim material
Cast and forged product specifications remain distinct. Pressure-temperature rating requires the applicable material group, valve design and standard edition.
ASTM A351 CF8MValve body / trim material
Cast and forged product specifications remain distinct. Pressure-temperature rating requires the applicable material group, valve design and standard edition.
ASTM A351 CF3Valve body / trim material
Cast and forged product specifications remain distinct. Pressure-temperature rating requires the applicable material group, valve design and standard edition.
ASTM A351 CF3MValve body / trim material
Cast and forged product specifications remain distinct. Pressure-temperature rating requires the applicable material group, valve design and standard edition.
ASTM A351 CF8CValve body / trim material
Cast and forged product specifications remain distinct. Pressure-temperature rating requires the applicable material group, valve design and standard edition.
ASTM A182 F304Valve body / trim material
Cast and forged product specifications remain distinct. Pressure-temperature rating requires the applicable material group, valve design and standard edition.
ASTM A182 F304LValve body / trim material
Cast and forged product specifications remain distinct. Pressure-temperature rating requires the applicable material group, valve design and standard edition.
ASTM A182 F316Valve body / trim material
Cast and forged product specifications remain distinct. Pressure-temperature rating requires the applicable material group, valve design and standard edition.
ASTM A182 F316LValve body / trim material
Cast and forged product specifications remain distinct. Pressure-temperature rating requires the applicable material group, valve design and standard edition.
ASTM A182 F321Valve body / trim material
Cast and forged product specifications remain distinct. Pressure-temperature rating requires the applicable material group, valve design and standard edition.
ASTM A182 F347Valve body / trim material
Cast and forged product specifications remain distinct. Pressure-temperature rating requires the applicable material group, valve design and standard edition.
ASTM A182 F11Valve body / trim material
Cast and forged product specifications remain distinct. Pressure-temperature rating requires the applicable material group, valve design and standard edition.
ASTM A182 F22Valve body / trim material
Cast and forged product specifications remain distinct. Pressure-temperature rating requires the applicable material group, valve design and standard edition.
ASTM A182 F5Valve body / trim material
Cast and forged product specifications remain distinct. Pressure-temperature rating requires the applicable material group, valve design and standard edition.
ASTM A182 F9Valve body / trim material
Cast and forged product specifications remain distinct. Pressure-temperature rating requires the applicable material group, valve design and standard edition.
ASTM A182 F91Valve body / trim material
Cast and forged product specifications remain distinct. Pressure-temperature rating requires the applicable material group, valve design and standard edition.
ASTM A182 F51Valve body / trim material
Cast and forged product specifications remain distinct. Pressure-temperature rating requires the applicable material group, valve design and standard edition.
ASTM A182 F53Valve body / trim material
Cast and forged product specifications remain distinct. Pressure-temperature rating requires the applicable material group, valve design and standard edition.
ASTM A351 CK3MCuNValve material
Listed corrosion-resistant valve option; confirm the exact valve model and material group.
ASTM A995 CD3MNValve material
Listed corrosion-resistant valve option; confirm the exact valve model and material group.
ASTM A351 CN7MValve material
Listed corrosion-resistant valve option; confirm the exact valve model and material group.
ASTM A494 CW12MWValve material
Listed corrosion-resistant valve option; confirm the exact valve model and material group.
ASTM A351 CN3MNValve material
Listed corrosion-resistant valve option; confirm the exact valve model and material group.
Indian and international catalogue sources
Source references do not imply that Steel Impex India stocks, represents or is endorsed by these brands. Delhi NCR and Punjab locations identify the cited source; they are not branch-office claims.
L&T Valves
India / international · Manufacturer
Valve families and automation.
Visit source catalogueSource checked 2026-11-11
Velan
International · Manufacturer
Gate, globe, check, ball, triple-offset and pressure-seal valve families.
Visit source catalogueSource checked 2026-11-11
PetrolValves
International · Manufacturer
Trunnion/floating ball; slab, expanding and parallel-slide gate; check designs.
Visit source catalogueSource checked 2026-11-11
Emerson / Fisher
International · Manufacturer
Globe, angle, segmented-ball, three-way and severe-service control valves.
Visit source catalogueSource checked 2026-11-11
KSB India / MIL
India / international · Manufacturer
Named valve series, including control, isolation and steam-conditioning products.
Visit source catalogueSource checked 2026-11-11
L&T corrosion-resistant valves
India / international · Manufacturer
API 603 gate and B16.34 globe/check range; individual size/class matrices and drawings govern.
Visit source catalogueSource checked 2026-11-11
BDK Valves
India · Manufacturer
Gate, globe, check, ball, butterfly, plug, diaphragm and lined valves.
Visit source catalogueSource checked 2026-11-11
Flowserve
International · Manufacturer
Isolation, control and actuation product data.
Visit source catalogueSource checked 2026-11-11
Leader Valves
India · Punjab · Manufacturer
Water, steam and industrial valve catalogue.
Visit source catalogueSource checked 2026-11-11
Kirloskar Brothers
India · Manufacturer
Waterworks catalogue. Model-specific dimensions are not yet transcribed.
Visit source catalogueSource checked 2026-11-11
Swagelok
International · Manufacturer catalogue / regional sales office
Instrument valves, manifolds, metering and excess-flow valves.
Visit source catalogueSource checked 2026-11-11
Spirax Sarco
International · Manufacturer
Safety-valve series; certified sizing and setting are product-specific.
Visit source catalogueSource checked 2026-11-11
Spirax Sarco pressure controls
International · Manufacturer
Pressure reducing and back-pressure control families.
Visit source catalogueSource checked 2026-11-11
Spirax Sarco pipeline ancillaries
International · Manufacturer
Air vents, air eliminators and vacuum breakers.
Visit source catalogueSource checked 2026-11-11
GEMÜ
International · Manufacturer
Pinch valve mechanisms and actuator variants.
Visit source catalogueSource checked 2026-11-11
AVK
International · Manufacturer
Industrial valve programme including knife gates.
Visit source catalogueSource checked 2026-11-11
ASCO / Emerson
International · Manufacturer
Pilot-operated solenoid valve instructions; model-specific electrical and pressure limits.
Visit source catalogueSource checked 2026-11-11
Coverage and unresolved source issues
Original drawings are identification schematics, not fabrication drawings or standard P&ID symbols.
DIN references are catalogue designations, not claims of current validity or exact ISO equivalence. Order the required edition.
APL lists DIN 7981 as a low-head Allen screw, which conflicts with the pan-head tapping-screw designation. It is held for clarification, not silently imported.
Manufacturer ranking and supply affiliation are not claimed.
Model-specific valve tables and complete fastener tolerance tables are still under review. Use linked manufacturer drawings; missing dimensions are never filled by voting or extrapolation.
Published differences between standards, editions or models remain separate even if multiple websites repeat one value.
Prepare a bulk enquiry for delivery within India
Include the material grade, standard and edition, complete size, quantity, finish, certificates, required date and delivery PIN code. For valves include body/trim, seats, service fluid, temperature, end connection and actuator. For fasteners include thread, pitch, length, property class and coating.
For a village, small town or large city, give the district, nearest transport depot and unloading arrangements. Stock, suitability, freight and delivery are confirmed for each order.
Prepare your material enquiry Delivery checklistCommon questions
Does Class 150 mean a valve is rated for 150 psi?
No. A class is a rating designation. Allowable pressure depends on the material group, temperature, design and applicable standard. Use the manufacturer’s pressure-temperature rating for the exact valve.
Can I use one valve dimension chart for every manufacturer?
No. These L&T API 603 tables identify their source model and page. Other designs, end connections and revisions can have different face-to-face lengths, heights, bores and masses. Missing sizes are not estimated.
What should a bulk buyer send for a quotation?
Send the exact standard and edition, grade or class, complete dimensions, quantity, finish, certification and delivery town, district and PIN code. Include the nearest transport depot for village or small-town delivery. Availability, price, freight and delivery are confirmed against your enquiry.
Reference sources and corrections · Toolkit terms. Source scope, units and missing values remain part of every reference. A catalogue listing is not a stock guarantee, approval for substitution or brand affiliation.
