WCB Wedge Gate Valve (PIV-GTV-01)

Name: Automated WCB Wedge Gate Valve
Brand: Supreme Valves
Availability: InStock
Rating: 4.8 (2 reviews)

Supreme Valves India presents the WCB Wedge Gate Valve, featuring a rugged design ensuring durability and long service life for industrial applications requiring bidirectional flow and high-pressure capability.

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

Rugged Design

Ensures durability and long service life in tough industrial conditions.

Flexible Wedge

Provides superior sealing and performance under varying pressure loads.

Bidirectional Flow

Leak-proof operation in both directions for greater installation flexibility.

Easy Maintenance

Simple disassembly and replacement of parts minimizes downtime.

Complete Automation & Actuation Packages

Upgrade your WCB Gate Valve for remote DCS/PLC control. Supreme Valves provides factory-fitted automation solutions ensuring SIL-capable reliability:

Actuators: Pneumatic (Double-Acting / Spring-Return), Electric (Multi-turn), or Electro-Hydraulic.
Limit Switch Boxes: Weather-proof or Flame-proof enclosures for reliable open/close position feedback.
Solenoid Valves: NAMUR mounted 3/2 or 5/2 way solenoids for instant triggering.
Positioners: Smart digital or electro-pneumatic positioners for modulating flow.

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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

S.N.	Parts Name	WCB	WC6	WC9	C5	C12	LCB	LCC	CF8	CF8M
01	BODY	A 216 WCB	A 217 WC6	A 217 WC9	A 217 C5	A 217 C12	A 352 LCB	A 352 LCC	A 351 CF8	A 351 CF8M
02	BONNET	A 216 WCB	A 217 WC6	A 217 WC9	A 217 C5	A 217 C12	A 352 LCB	A 352 LCC	A 351 CF8	A 351 CF8M
03	WEDGE
04	SEAT RING								Integral	Integral
05	STEM								S.S. 304	S.S. 316
06	BACK SEAT BUSH
07	GLAND PACK								PTFE	PTFE
08	GLAND FL. & BUSH								S.S.304	S.S.316
09	DRIVE (YOKE) NUT								GUN METAL/BRASS	GUN METAL/BRASS
10	DRIVE CHECK NUT								S.S.304	S.S.316
11	BONNET GASKET								PTFE	PTFE
12	BONNET STUD / NUT								S.S.304	S.S.316
13	EYE BOLT / NUT								S.S.304	S.S.316
14	HAND WHEEL								S.S. (On Request)	S.S. (On Request)
15	HAND WHEEL NUT								S.S.304	S.S.316
16	GREASE NIPPLE

Material of Construction

S.N.	Parts Name	WCB	WC6	WC9	C5	C12	LCB	LCC	CF8	CF8M
01	BODY	A 216 WCB	A 217 WC6	A 217 WC9	A 217 C5	A 217 C12	A 352 LCB	A 352 LCC	A 351 CF8	A 351 CF8M
02	BONNET	A 216 WCB	A 217 WC6	A 217 WC9	A 217 C5	A 217 C12	A 352 LCB	A 352 LCC	A 351 CF8	A 351 CF8M
03	WEDGE
04	SEAT RING								Integral	Integral
05	STEM								S.S. 304	S.S. 316
06	BACK SEAT BUSH
07	GLAND PACK								PTFE	PTFE
08	GLAND FL. & BUSH								S.S.304	S.S.316
09	DRIVE (YOKE) NUT								GUN METAL/BRASS	GUN METAL/BRASS
10	DRIVE CHECK NUT								S.S.304	S.S.316
11	BONNET GASKET								PTFE	PTFE
12	BONNET STUD / NUT								S.S.304	S.S.316
13	EYE BOLT / NUT								S.S.304	S.S.316
14	HAND WHEEL								S.S. (On Request)	S.S. (On Request)
15	HAND WHEEL NUT								S.S.304	S.S.316
16	GREASE NIPPLE

Frequently Asked Questions

What is a gate valve and when should it be used?

A gate valve uses a flat or wedge-shaped gate that moves perpendicular to the flow direction to open or close. When fully open, the gate is completely withdrawn from the flow path, providing minimal pressure drop and maximum flow capacity. Gate valves are designed for on-off service only and should never be used for throttling. They are ideal for pipelines requiring full bore flow with minimal turbulence, such as crude oil transmission lines, refined product pipelines, and raw water intake systems in Saudi Arabian oil fields and UAE desalination plants.

What are API 600 gate valve pressure/temperature ratings?

Supreme Valves API 600 gate valves are available in Class 150, Class 300, Class 600, and Class 900 ratings for sizes from 2 inches to 48 inches. The Class 150 and 300 cast steel valves (WCB) are most common for general oil and gas service. For high-pressure Saudi Arabian gas pipelines and steam distribution systems, Class 600 forged steel valves (A105, F22) are specified. API 602 compact steel gate valves are available for smaller sizes up to 4 inches in Class 150-1500 ratings.

What's the difference between WCB and CF8M gate valve materials?

WCB (ASTM A216 Grade WCB) is a carbon steel casting material suitable for general service up to 425°C with good strength and machinability. CF8M (ASTM A351 Grade CF8M) is a stainless steel casting (316 SS) offering superior corrosion resistance, especially against chlorides and sour service. For seawater cooling systems in GCC countries, CF8M or Nickel Aluminium Bronze (NAB) is preferred. WCB with FBE coating is used for buried pipeline service where corrosion protection is provided externally.

How does a flexible wedge gate valve work in high-temperature steam?

A flexible wedge gate valve features a one-piece disc with a split stem connection that allows slight angular movement of the wedge seat faces. This flexibility compensates for thermal expansion and contraction during steam service, maintaining a tight seal throughout temperature cycles. The design prevents binding and ensures reliable shut-off in steam distribution lines up to 260°C. For superheated steam applications above 260°C, solid wedge design with hardfaced seats is recommended.