Single Check Valve, 3/8 in. Female NPT x 3/8 in. Male NPT, 304 Stainless Steel
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The Single Check Valve, 3/8 in. Female NPT x 3/8 in. Male NPT, 304 Stainless Steel (#34846) is a 304 stainless steel single check valve with flare or NPT connections. Spring-loaded poppet design closes instantly on flow reversal. Stainless body and flare fittings suit refrigeration, chemical injection, and high-cleanliness process applications.
Technical Specifications
| Specification | Value |
|---|---|
| Body Material | 304 Stainless Steel |
| Spring Material | Stainless Steel |
| Check Type | Single spring poppet |
| End Connections | Female NPT / Male NPT |
| Temperature Range | −20°F to 400°F (−29°C to 204°C) |
| Part Number | 34846 |
Key Features
- 304 Stainless Steel body — corrosion resistant across wide chemical and temperature range
- Single spring poppet design
- Spring-loaded — closes automatically on flow reversal
- Stainless spring internals — compatible with aggressive media
- Compact body for tight installation spaces
Common Applications
Used in refrigeration line sets, chemical injection systems, and precision metering applications requiring stainless steel purity and flare-connection compatibility.
Technical Resources
- Check Valve Types: Swing, Spring, Wafer, Ball — Compare check valve styles
- Brass vs. Stainless vs. PVC — When to choose stainless
- Shop Stainless Check Valves — Full SS 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