1/8 in. Brass Spring Check Valve, 500 PSI, Male NPT x Female NPT, Viton Seal
Backordered at the manufacturer — available to order; shipping date is not currently confirmed.
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The 1/8 in. Male x Female 500 PSI Check Valve with Viton (#46575V) is a 500 PSI rated brass check valve with a Viton (FKM) seal, for backflow prevention. Male NPT x Female NPT connections install directly inline with standard pipe threads.
Technical Specifications
| Specification | Value |
|---|---|
| Body Material | Brass |
| Seal / O-ring | Viton (FKM) |
| Pressure Rating | 500 PSI |
| Temperature Rating | 180°F |
| Part Number | 46575V |
Key Features
- Brass body
- Spring-loaded — closes automatically when flow stops or reverses
- Viton (FKM) seal
- Cracking pressure factory-set for reliable sealing
- Compact inline form factor — minimal installation space required
Common Applications
Backflow prevention where a 500 PSI rating is needed. Ask us to confirm seal compatibility for your service before you order.
Technical Resources
Cross-References
Water, air or inert-gas service? The Buna-N version (46575) is also available.
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