3/8 in. Stainless Steel Spring Check Valve, MPT x FPT (949472)
3/8 in. Stainless Steel Spring Check Valve, MPT x FPT (949472)
✓ In stock at our distribution warehouses — typically ships within 1–2 business days.
Flat-rate shipping, nationwide- Orders under $100: $9.95
- $100 – $499.99: $14.95
- Orders $500+: quoted — real freight for your order, not a flat guess
Volume order or crossing a competitor part number? Request a quote — usually answered the same business day.
The 3/8 in. Stainless Steel Spring Check Valve, MPT x FPT (#949472) is a stainless steel spring check valve with a spring-loaded poppet that closes instantly to prevent reverse flow in any orientation. Its male x female threaded ends install inline.
Availability: In stock — ships in 2–3 business days.
Technical Specifications
| Specification | Value |
|---|---|
| Part Number (MPN) | 949472 |
| Nominal Size | 3/8 in. |
| Type | Spring Check Valve |
| Body Material | Stainless Steel |
| Connection | MPT x FPT |
Key Features
- Spring-loaded poppet — instant closure, works in any orientation
- Stainless steel — corrosion-resistant
- MPT x FPT (male x female NPT) connection
- Low-maintenance, self-operating design
Common Applications
Chemical processing, water treatment, instrument and sampling lines, pump and compressor lines, and general industrial systems requiring corrosion-resistant backflow prevention.
Technical Resources
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