WCB Globe Valve (PIV-GLV-01)

Supreme Valves India presents the WCB Globe Valve, offering precision flow control, accurate throttling, and robust construction suitable for challenging industrial environments.

Materials of Construction (MOC)

Component Material Specification
Body & Bonnet Cast Steel (ASTM A216 Gr. WCB/WCC)
Stem / Spindle SS 410 / SS 304
Seat / Trim 13% Cr. SS / Stellite 6 Overlay

Technical Specifications

Parameter Specification / Standard
Manufacturing / Design Standard API 600 / BS 1414 / ASME B16.34
Testing Standard API 598 / EN 12266-1
Pressure Rating Class 150 / Class 300 / Class 600

Features & Benefits

Precision Flow Control

Ensures accurate throttling and regulation for critical fluid systems.

High-Quality Construction

Made from durable materials to guarantee a long service life.

Smooth Operation

Low torque and efficient actuation provide ease of use.

Easy Maintenance

Simple disassembly and part replacement reduces system downtime.

Complete Automation & Actuation Packages

Upgrade your WCB Globe Valve for precise remote flow control. Supreme Valves provides factory-fitted automation solutions for both on/off and modulating applications:

View Automated WCB Valves Hub

Purchase Options

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Technical Specifications

Parameter Specification Standard
Manufacturing Standard API 600 / BS 1414 / ASME B16.34
Testing & Inspection Standard API 598
Face-to-Face Dimensions ASME B16.10 / Manufacturer Standard
End Connections Flanged / Screwed / Socket Weld / Butt Weld

Materials of Construction (MOC)

Part Name Material
Body & Bonnet Cast Steel (ASTM A216 Gr. WCB)
Stem / Spindle SS 410 / SS 304
Seat / Trim 13% Cr. SS (Standard) / Stellite 6
Gland Packing Graphite / PTFE (Application Dependent)
Handwheel / Actuator Cast Iron / Steel / SG Iron

Material of Construction

PART NO.PART NAMEWCBWC6WC9C5C12LCBLCCCF8CF8M
01BODYA 216 WCBA 217 WC6A 217 WC9A 217 C5A 217 C12A 352 LCBA 352 LCCA 351 CF8A 351 CF8M
02BONNETA 216 WCBA 217 WC6A 217 WC9A 217 C5A 217 C12A 352 LCBA 352 LCCA 351 CF8A 351 CF8M
03DISCREFER STANDARD TRIM TABLE (PAGE NO. 67)REFER STANDARD TRIM TABLE (PAGE NO. 67)REFER STANDARD TRIM TABLE (PAGE NO. 67)REFER STANDARD TRIM TABLE (PAGE NO. 67)REFER STANDARD TRIM TABLE (PAGE NO. 67)REFER STANDARD TRIM TABLE (PAGE NO. 67)REFER STANDARD TRIM TABLE (PAGE NO. 67)REFER STANDARD TRIM TABLE (PAGE NO. 67)REFER STANDARD TRIM TABLE (PAGE NO. 67)
04SEAT RINGREFER STANDARD TRIM TABLE (PAGE NO. 67)REFER STANDARD TRIM TABLE (PAGE NO. 67)REFER STANDARD TRIM TABLE (PAGE NO. 67)REFER STANDARD TRIM TABLE (PAGE NO. 67)REFER STANDARD TRIM TABLE (PAGE NO. 67)REFER STANDARD TRIM TABLE (PAGE NO. 67)REFER STANDARD TRIM TABLE (PAGE NO. 67)IntegralIntegral
05STEMAISI 410 (13% Cr.) (No Casting)AISI 410 (13% Cr.) (No Casting)AISI 410 (13% Cr.) (No Casting)AISI 410 (13% Cr.) (No Casting)AISI 410 (13% Cr.) (No Casting)AISI 410 (13% Cr.) (No Casting)AISI 410 (13% Cr.) (No Casting)S.S.304S.S.316
06DISC CHECK NUTASTM A276 T410 (13% Cr.)ASTM A276 T410 (13% Cr.)ASTM A276 T410 (13% Cr.)ASTM A276 T410 (13% Cr.)ASTM A276 T410 (13% Cr.)ASTM A276 T410 (13% Cr.)ASTM A276 T410 (13% Cr.)S.S.304S.S.316
07BACK SEAT BUSHREFER STANDARD TRIM TABLE (PAGE NO. 67)REFER STANDARD TRIM TABLE (PAGE NO. 67)REFER STANDARD TRIM TABLE (PAGE NO. 67)REFER STANDARD TRIM TABLE (PAGE NO. 67)REFER STANDARD TRIM TABLE (PAGE NO. 67)REFER STANDARD TRIM TABLE (PAGE NO. 67)REFER STANDARD TRIM TABLE (PAGE NO. 67)REFER STANDARD TRIM TABLE (PAGE NO. 67)REFER STANDARD TRIM TABLE (PAGE NO. 67)
08GLAND FLANGECARBON STEEL / M.S. / S.G.I. OR MATERIAL WITH MELTING ABOVE 955 CCARBON STEEL / M.S. / S.G.I. OR MATERIAL WITH MELTING ABOVE 955 CCARBON STEEL / M.S. / S.G.I. OR MATERIAL WITH MELTING ABOVE 955 CCARBON STEEL / M.S. / S.G.I. OR MATERIAL WITH MELTING ABOVE 955 CCARBON STEEL / M.S. / S.G.I. OR MATERIAL WITH MELTING ABOVE 955 CCARBON STEEL / M.S. / S.G.I. OR MATERIAL WITH MELTING ABOVE 955 CCARBON STEEL / M.S. / S.G.I. OR MATERIAL WITH MELTING ABOVE 955 CS.S.304S.S.316
09GLAND PACKGRAPHITE RING / METALLIC WIRE REINFORCEDGRAPHITE RING / METALLIC WIRE REINFORCEDGRAPHITE RING / METALLIC WIRE REINFORCEDGRAPHITE RING / METALLIC WIRE REINFORCEDGRAPHITE RING / METALLIC WIRE REINFORCEDGRAPHITE RING / METALLIC WIRE REINFORCEDGRAPHITE RING / METALLIC WIRE REINFORCEDPTFEPTFE
10DRIVE NUT (YOKE SLEEVE)CARBON STEEL / M.S. / S.G. IRON / DUCTILE IRONCARBON STEEL / M.S. / S.G. IRON / DUCTILE IRONCARBON STEEL / M.S. / S.G. IRON / DUCTILE IRONCARBON STEEL / M.S. / S.G. IRON / DUCTILE IRONCARBON STEEL / M.S. / S.G. IRON / DUCTILE IRONCARBON STEEL / M.S. / S.G. IRON / DUCTILE IRONCARBON STEEL / M.S. / S.G. IRON / DUCTILE IRONGUN METAL / BRASSGUN METAL / BRASS
11BONNET GASKETS.S.304 / S.S.316 SPIRAL WOUND GASKET WITH GRAPHOIL FILLERS.S.304 / S.S.316 SPIRAL WOUND GASKET WITH GRAPHOIL FILLERS.S.304 / S.S.316 SPIRAL WOUND GASKET WITH GRAPHOIL FILLERS.S.304 / S.S.316 SPIRAL WOUND GASKET WITH GRAPHOIL FILLERS.S.304 / S.S.316 SPIRAL WOUND GASKET WITH GRAPHOIL FILLERS.S.304 / S.S.316 SPIRAL WOUND GASKET WITH GRAPHOIL FILLERS.S.304 / S.S.316 SPIRAL WOUND GASKET WITH GRAPHOIL FILLERPTFEPTFE
12BONNET STUD / NUTASTM A193 Gr. B7 / ASTM A 194Gr. 2HASTM A193 Gr. B7 / ASTM A 194Gr. 2HASTM A193 Gr. B7 / ASTM A 194Gr. 2HASTM A193 Gr. B7 / ASTM A 194Gr. 2HASTM A193 Gr. B7 / ASTM A 194Gr. 2HASTM A193 Gr. B7 / ASTM A 194Gr. 2HASTM A193 Gr. B7 / ASTM A 194Gr. 2HS.S.304S.S.316
13EYE BOLT / NUTASTM A193 Gr. B7 / ASTM A 194Gr. 2HASTM A193 Gr. B7 / ASTM A 194Gr. 2HASTM A193 Gr. B7 / ASTM A 194Gr. 2HASTM A193 Gr. B7 / ASTM A 194Gr. 2HASTM A193 Gr. B7 / ASTM A 194Gr. 2HASTM A193 Gr. B7 / ASTM A 194Gr. 2HASTM A193 Gr. B7 / ASTM A 194Gr. 2HS.S.304S.S.316
14HAND WHEELMALLEABLE IRON / DUCTILE IRONMALLEABLE IRON / DUCTILE IRONMALLEABLE IRON / DUCTILE IRONMALLEABLE IRON / DUCTILE IRONMALLEABLE IRON / DUCTILE IRONMALLEABLE IRON / DUCTILE IRONMALLEABLE IRON / DUCTILE IRONS.S. (On Request)S.S. (On Request)
15HAND WHEEL NUTCARBON STEEL / M.S.CARBON STEEL / M.S.CARBON STEEL / M.S.CARBON STEEL / M.S.CARBON STEEL / M.S.CARBON STEEL / M.S.CARBON STEEL / M.S.S.S.304S.S.316

Material of Construction

PART NO.PART NAMEWCBWC6WC9C5C12LCBLCCCF8CF8M
01BODYA 216 WCBA 217 WC6A 217 WC9A 217 C5A 217 C12A 352 LCBA 352 LCCA 351 CF8A 351 CF8M
02BONNETA 216 WCBA 217 WC6A 217 WC9A 217 C5A 217 C12A 352 LCBA 352 LCCA 351 CF8A 351 CF8M
03DISCREFER STANDARD TRIM TABLE (PAGE NO. 67)REFER STANDARD TRIM TABLE (PAGE NO. 67)REFER STANDARD TRIM TABLE (PAGE NO. 67)REFER STANDARD TRIM TABLE (PAGE NO. 67)REFER STANDARD TRIM TABLE (PAGE NO. 67)REFER STANDARD TRIM TABLE (PAGE NO. 67)REFER STANDARD TRIM TABLE (PAGE NO. 67)REFER STANDARD TRIM TABLE (PAGE NO. 67)REFER STANDARD TRIM TABLE (PAGE NO. 67)
04SEAT RINGREFER STANDARD TRIM TABLE (PAGE NO. 67)REFER STANDARD TRIM TABLE (PAGE NO. 67)REFER STANDARD TRIM TABLE (PAGE NO. 67)REFER STANDARD TRIM TABLE (PAGE NO. 67)REFER STANDARD TRIM TABLE (PAGE NO. 67)REFER STANDARD TRIM TABLE (PAGE NO. 67)REFER STANDARD TRIM TABLE (PAGE NO. 67)IntegralIntegral
05STEMAISI 410 (13% Cr.) (No Casting)AISI 410 (13% Cr.) (No Casting)AISI 410 (13% Cr.) (No Casting)AISI 410 (13% Cr.) (No Casting)AISI 410 (13% Cr.) (No Casting)AISI 410 (13% Cr.) (No Casting)AISI 410 (13% Cr.) (No Casting)S.S.304S.S.316
06DISC CHECK NUTASTM A276 T410 (13% Cr.)ASTM A276 T410 (13% Cr.)ASTM A276 T410 (13% Cr.)ASTM A276 T410 (13% Cr.)ASTM A276 T410 (13% Cr.)ASTM A276 T410 (13% Cr.)ASTM A276 T410 (13% Cr.)S.S.304S.S.316
07BACK SEAT BUSHREFER STANDARD TRIM TABLE (PAGE NO. 67)REFER STANDARD TRIM TABLE (PAGE NO. 67)REFER STANDARD TRIM TABLE (PAGE NO. 67)REFER STANDARD TRIM TABLE (PAGE NO. 67)REFER STANDARD TRIM TABLE (PAGE NO. 67)REFER STANDARD TRIM TABLE (PAGE NO. 67)REFER STANDARD TRIM TABLE (PAGE NO. 67)REFER STANDARD TRIM TABLE (PAGE NO. 67)REFER STANDARD TRIM TABLE (PAGE NO. 67)
08GLAND FLANGECARBON STEEL / M.S. / S.G.I. OR MATERIAL WITH MELTING ABOVE 955 CCARBON STEEL / M.S. / S.G.I. OR MATERIAL WITH MELTING ABOVE 955 CCARBON STEEL / M.S. / S.G.I. OR MATERIAL WITH MELTING ABOVE 955 CCARBON STEEL / M.S. / S.G.I. OR MATERIAL WITH MELTING ABOVE 955 CCARBON STEEL / M.S. / S.G.I. OR MATERIAL WITH MELTING ABOVE 955 CCARBON STEEL / M.S. / S.G.I. OR MATERIAL WITH MELTING ABOVE 955 CCARBON STEEL / M.S. / S.G.I. OR MATERIAL WITH MELTING ABOVE 955 CS.S.304S.S.316
09GLAND PACKGRAPHITE RING / METALLIC WIRE REINFORCEDGRAPHITE RING / METALLIC WIRE REINFORCEDGRAPHITE RING / METALLIC WIRE REINFORCEDGRAPHITE RING / METALLIC WIRE REINFORCEDGRAPHITE RING / METALLIC WIRE REINFORCEDGRAPHITE RING / METALLIC WIRE REINFORCEDGRAPHITE RING / METALLIC WIRE REINFORCEDPTFEPTFE
10DRIVE NUT (YOKE SLEEVE)CARBON STEEL / M.S. / S.G. IRON / DUCTILE IRONCARBON STEEL / M.S. / S.G. IRON / DUCTILE IRONCARBON STEEL / M.S. / S.G. IRON / DUCTILE IRONCARBON STEEL / M.S. / S.G. IRON / DUCTILE IRONCARBON STEEL / M.S. / S.G. IRON / DUCTILE IRONCARBON STEEL / M.S. / S.G. IRON / DUCTILE IRONCARBON STEEL / M.S. / S.G. IRON / DUCTILE IRONGUN METAL / BRASSGUN METAL / BRASS
11BONNET GASKETS.S.304 / S.S.316 SPIRAL WOUND GASKET WITH GRAPHOIL FILLERS.S.304 / S.S.316 SPIRAL WOUND GASKET WITH GRAPHOIL FILLERS.S.304 / S.S.316 SPIRAL WOUND GASKET WITH GRAPHOIL FILLERS.S.304 / S.S.316 SPIRAL WOUND GASKET WITH GRAPHOIL FILLERS.S.304 / S.S.316 SPIRAL WOUND GASKET WITH GRAPHOIL FILLERS.S.304 / S.S.316 SPIRAL WOUND GASKET WITH GRAPHOIL FILLERS.S.304 / S.S.316 SPIRAL WOUND GASKET WITH GRAPHOIL FILLERPTFEPTFE
12BONNET STUD / NUTASTM A193 Gr. B7 / ASTM A 194Gr. 2HASTM A193 Gr. B7 / ASTM A 194Gr. 2HASTM A193 Gr. B7 / ASTM A 194Gr. 2HASTM A193 Gr. B7 / ASTM A 194Gr. 2HASTM A193 Gr. B7 / ASTM A 194Gr. 2HASTM A193 Gr. B7 / ASTM A 194Gr. 2HASTM A193 Gr. B7 / ASTM A 194Gr. 2HS.S.304S.S.316
13EYE BOLT / NUTASTM A193 Gr. B7 / ASTM A 194Gr. 2HASTM A193 Gr. B7 / ASTM A 194Gr. 2HASTM A193 Gr. B7 / ASTM A 194Gr. 2HASTM A193 Gr. B7 / ASTM A 194Gr. 2HASTM A193 Gr. B7 / ASTM A 194Gr. 2HASTM A193 Gr. B7 / ASTM A 194Gr. 2HASTM A193 Gr. B7 / ASTM A 194Gr. 2HS.S.304S.S.316
14HAND WHEELMALLEABLE IRON / DUCTILE IRONMALLEABLE IRON / DUCTILE IRONMALLEABLE IRON / DUCTILE IRONMALLEABLE IRON / DUCTILE IRONMALLEABLE IRON / DUCTILE IRONMALLEABLE IRON / DUCTILE IRONMALLEABLE IRON / DUCTILE IRONS.S. (On Request)S.S. (On Request)
15HAND WHEEL NUTCARBON STEEL / M.S.CARBON STEEL / M.S.CARBON STEEL / M.S.CARBON STEEL / M.S.CARBON STEEL / M.S.CARBON STEEL / M.S.CARBON STEEL / M.S.S.S.304S.S.316

Frequently Asked Questions

What are BS 1873 globe valve pressure/temperature ratings?

BS 1873 specifies bolted bonnet globe valves in carbon steel (WCB) and alloy steel for sizes 1/2 inch to 24 inches. Pressure-temperature ratings follow ANSI B16.34: Class 150 ranges from 275 PSI at 38°C to 180 PSI at 260°C; Class 300 from 720 PSI at 38°C to 655 PSI at 260°C; Class 600 from 1440 PSI at 38°C to 1310 PSI at 260°C. For higher temperatures, P91/P92 chrome-molydenum steel bonnets are used. For Saudi Arabian steam service above 260°C, BS 1873 forged steel globe valves with Stellited seats are specified.

How does a globe valve achieve tight shut-off?

Globe valves achieve tight shut-off through a flat or cone-shaped disc (plug) that seats precisely into a matching seat ring, compressing a soft or hard seat material. The stem moves axially (downward) to close, pushing the disc firmly against the seat. The contoured disc provides 360-degree seating contact, unlike gate valves which seal along a line. For critical shut-off, renewable seat rings allow regrinding or replacement without removing the valve from service. PTFE seats provide bubble-tight shut-off for general service; graphite seats handle high temperatures and slightly worn surfaces. For Saudi Arabian oil terminal leak-free requirements, globe valves with spiral wound graphite seats are specified.

What's the difference between weir-type and straight-through globe valve?

Weir-type (standard) globe valves have a horizontal weir (saddle) inside the body that creates a separation between inlet and outlet flows, providing better throttling control and self-draining capability when installed with stem horizontal. Straight-through (double-ported) globe valves have flow enter one side and exit the opposite side without a weir, offering lower pressure drop but less precise throttling. For modulating control service, weir-type is preferred. For simple on-off service where minimal pressure drop is critical, straight-through design may be selected. Angle globe valves (90-degree turn) combine benefits of both for specific orientations.

When to use pressure seal bonnet in high-pressure globe valves?

Pressure seal bonnet design is used for globe valves rated Class 600 and above where bolt loading for bonnet joint sealing becomes impractical. In pressure seal design, the bonnet is held in place by pressure (from within the body) acting on a seal ring geometry, rather than by bolts. This provides: (1) more compact body design, (2) lower assembly torque requirements, (3) better reliability at high pressures. Pressure seal bonnets are standard for boiler feedwater, steam turbine bypass, and high-pressure chemical service. For Saudi Arabian refinery applications above Class 600, pressure seal globe valves are typically specified.