WCB Stainless Steel Wedge Gate Valve
In demanding industrial piping systems, reliable flow control is non-negotiable. The Stainless Steel Wedge Gate Valve stands as a cornerstone of this reliability. Engineered for exceptional sealing performance and durability, this valve type utilizes a solid wedge disc that moves perpendicularly to the flow path, providing a tight, bubble-tight shut-off essential for critical applications. For systems requiring robust construction in carbon steel, the WCB Wedge Gate Valve offers superior strength and cost-effectiveness, making it a preferred choice for a wide range of services including oil & gas, power generation, and chemical processing. Both designs are built to withstand high pressures and temperatures while ensuring minimal pressure drop when fully open.
The WCB Stainless Steel Wedge Gate Valve is meticulously constructed to meet the highest industrial standards. Its design focuses on longevity and maintenance ease, featuring a sturdy body, a precision-machined wedge disc, and a reliable stem packing system. This valve is particularly suited for on/off service rather than throttling, ensuring a full, unobstructed flow path that minimizes turbulence and erosion. The combination of materials and robust engineering makes the WCB Stainless Steel Wedge Gate Valve an indispensable component for ensuring system integrity and operational safety in challenging environments.
Key Features & Specifications
- Body Material: ASTM A216 WCB Carbon Steel with Stainless Steel Trim (Standard). Other trim materials available.
- Disc & Wedge: Solid Wedge Design, 13% Chrome or 316 Stainless Steel.
- Seat Rings: Stainless Steel, Seal-Welded or Removable for enhanced service life.
- Stem: Bolted Bonnet with Rising Stem, Forged Steel or Stainless Steel.
- Packing: Flexible Graphite or PTFE for reliable stem sealing across temperature ranges.
- End Connections: Flanged Ends (RF or RTJ), Class 150, 300, 600, 900 as per ANSI B16.5.
- Operation: Handwheel (Standard), Gear Operator, or Pneumatic/ Electric Actuation.
- Design Standard: API 600, API 6D, ASME B16.34.
- Test Standards: Shell Test & Seat Leakage Test per API 598 / ISO 5208.
| Size Range (NPS) | Pressure Class (ANSI) | Temperature Range | Standard Face-to-Face (ASME B16.10) |
|---|---|---|---|
| 2" to 24" | 150, 300, 600, 900 | -29°C to 425°C (-20°F to 800°F) | Standard / Short Pattern Available |
| Note: Larger sizes and higher pressure classes (1500, 2500) are available upon request. | |||
Detailed Material Specifications
| Component | Standard Material (WCB Body) | Alternative Material Options |
|---|---|---|
| Body & Bonnet | A216 WCB | LCB, LCC, WC6, WC9, CF8, CF8M, Duplex |
| Wedge / Disc | 13% Cr / SS410 | 304 SS, 316 SS, Stellite Faced, Alloy 20 |
| Seat Rings | 13% Cr / SS410 | 304 SS, 316 SS, Stellite, Hardened |
| Stem | SS410 or 13% Cr | 304 SS, 316 SS, 17-4PH, K-Monel |
| Gasket | Spiral Wound (SS/F.Graphite) | RTJ Ring, Metal Jacketed |
| Packing | Flexible Graphite | PTFE, Grafoil, Asbestos-Free |
| Bolting | ASTM A193 B7 / B16 | A320 L7, Stainless Steel |
| Handwheel | Carbon Steel | Ductile Iron, Aluminum |
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