Cast Stainless & Alloy Check Valve — Flanged
- Flanged cast stainless and alloy swing check valve for backflow prevention in corrosive and chemically aggressive service
- Available in sizes 1/2″ – 36″ across pressure classes 150 through 2500
- NACE-compliant as standard with Teflon or graphite gasket sealing
- Extensive material selection including stainless steel, duplex, super duplex, and exotic alloys
- WA Series available in sizes 2″ – 12″
Category Check Valves
Description
- Cast stainless and alloy swing check valve in flanged end configuration, designed for automatic backflow prevention in corrosive, chemically aggressive, and high-purity process applications
- Swing disc design with bolted cover for accessible, field-maintainable internals
- NACE-compliant construction as standard for sour service and corrosive environments
- Teflon or graphite gasket options for low fugitive emission sealing performance
- Available in sizes 1/2″ – 36″ across ANSI pressure classes 150, 300, 600, 900, 1500, and 2500
- End connections in Raised Face (RF) and Ring-Type Joint (RTJ)
- Extensive body material selection covering stainless steel grades, high-alloy, and exotic materials for demanding process compatibility
- Trim selection includes Trim 10, 12, 16, and special materials
- Trim modification options available on request
- WA Series available in sizes 2″ – 12″ for standard commercial installations
| Specification | Details |
|---|---|
| Valve Type | Check — Swing Type Disc |
| Size Range | 1/2″ – 36″ |
| Pressure Classes | 150 / 300 / 600 / 900 / 1500 / 2500 |
| Body Materials | CF8M, CF8, CF3M, 317, CN7M, C-276 (CW12MV), Duplex, Super Duplex, 321SS, 347SS, Incoloy & Additional Materials |
| Trim Materials | Trim 10, 12, 16 & Special Materials |
| End Connections | Raised Face (RF), Ring-Type Joint (RTJ) |
| Sealing | Teflon or Graphite Gasket (Low Fugitive Emission) |
| Options | NACE Compliance, Trim Modifications |
| WA Series | Available 2″ – 12″ |


