Pipeline Swing Check Valve — Through Conduit
- Full-port, through-conduit swing check valve designed for pipeline and piggable applications
- Available in sizes 2″ – 42″ across ANSI pressure ratings 150 through 2500
- Full bore through-conduit design allows passage of pipeline inspection and cleaning devices
- NACE MR0175 certified with FKM or HNBR seat and seal options
- Lock open lever or lock open gear options available
Description
- Full-port through-conduit pipeline swing check valve engineered for backflow prevention in transmission pipelines, compressor stations, terminals, and other API 6D applications
- Through-conduit bore design provides a fully unobstructed flow path allowing passage of pipeline inspection tools (pigs) and cleaning devices without valve removal
- Swing disc mechanism with graphite gasket sealing for reliable, low-emission performance
- Available in sizes 2″ – 42″ across the full ANSI pressure range from 150 through 2500
- Body materials in WCB, CF8M, and LCB to cover standard, stainless, and low-temperature service
- 316SS trim as standard with FKM or HNBR 90 Duro seat and seal options for broad media compatibility
- NACE MR0175 certified for sour service and corrosive pipeline environments
- End connections in Raised Face (RF) and Ring-Type Joint (RTJ)
- Lock open lever or lock open gear options for maintenance and commissioning operations
| Specification | Details |
|---|---|
| Valve Type | Pipeline Swing Check — Full Port, Through Conduit |
| Size Range | 2″ – 42″ |
| Pressure Classes | ANSI 150 / 300 / 600 / 900 / 1500 / 2500 |
| Body Materials | WCB, CF8M, LCB |
| Trim Material | 316 Stainless Steel |
| Seat & Seal Material | FKM or HNBR 90 Duro |
| Gasket Material | Graphite |
| End Connections | Raised Face (RF), Ring-Type Joint (RTJ) |
| Standards | API 6D, NACE MR0175 |
| Options | Lock Open Lever, Lock Open Gear |
