Material & construction
Swing-disc check valve with a hinged disc and bolted cover; installed orientation must permit reliable closure.
WOG-325 / Check valves
Flanged Swing Check Valve
Prevent reverse flow in compatible process and utility lines.
| Nominal size | NPS 1/2-8 (DN 15-200) |
|---|---|
| Flange options | ASME Class 150 / 300 / 600 |
| Body / trim | WCB / CF8M; stainless trim |
| End / face | RF flanges; face-to-face by selected standard |
Industry reference selections; ordered specification requires supplier confirmation.
View catalogue page 34 ↗Options & acceptance
Metal or resilient seating, drain port, trim and installation orientation.
Application & RFQ details
Confirm flow direction, installation orientation, cracking pressure and minimum operating flow. Evaluate reverse-flow transients and pressure loss in the actual line.
Standards & documents
ASME B16.34/B16.5; API 598 or agreed pressure/leak test.
Packing
Separated cartons on pallets; protect threads and seal faces. Consolidate compatible sizes by purchase schedule.
Related products
WOG-189
Dual-plate Wafer Check Valve
Automatic reverse-flow prevention in compatible process and utility lines.
Specifications & details ↗
WOG-324
In-line Spring Check Valve
Compact non-return protection in small-bore liquid or gas service.
Specifications & details ↗
WOG-441
Forged Steel Piston Check Valve
Standard isolation, flow-direction or straining functions in production-fluid and utility piping.
Specifications & details ↗