1-1/4 in. Inline Female x Female PVC Spring-Loaded Check Valve
1-1/4 in. Inline Female x Female PVC Spring-Loaded Check Valve
✓ In stock at the manufacturer — typically ships within 1–2 business days.
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The 1-1/4 in. Inline Female x Female PVC Spring-Loaded Check Valve (#940334) is a PVC inline spring check valve that allows flow in one direction and prevents reverse flow. Female NPT connections allow direct threaded installation.
Technical Specifications
| Specification | Value |
|---|---|
| Body Material | PVC |
| End Connections | Female NPT threaded |
| Pressure Rating | 200 psi at 77°F |
| Temperature Range | Full manufacturer spec sheet available on request |
| Part Number | 940334 |
Key Features
- PVC body
- Spring-loaded poppet — automatic closure on flow reversal
- Female NPT threaded connections
Common Applications
One-way flow protection in PVC piping systems. For chemical service, ask us — we confirm compatibility with the manufacturer for your media before you order.
Technical Resources
- Check Valve Types Explained — Spring, swing, ball check comparison
- Shop PVC Check Valves — Full PVC check valve range
Expert Guides for This Product
- Check Valve Orientation & Installation — flow direction and mounting rules
- Check Valve Sizing Guide — why line size isn't valve size
- Slamming & Water Hammer — causes and fixes
- Check Valve Leaking? — diagnose and fix it
- Check Valve Chattering — the sizing problem nobody checks
- Buna vs. Viton Seats — which elastomer fits your media