Dual Check Valve, 1/4 in. Female NPT x 1/4 in. Male NPT, 304 Stainless Steel
$6.99
Sale price
$6.99
Regular price
$10.99
Backordered at the manufacturer — estimated ship time 2–3 weeks. Need a firm date? Email sales@apexflowsolutions.com
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 Dual Check Valve, 1/4 in. Female NPT x 1/4 in. Male NPT, 304 Stainless Steel (#34838) is a dual 304 stainless steel check valve with flare connections, providing two-stage backflow protection in a single body. Used in refrigeration, chemical metering, and precision fluid control applications where double-block backflow prevention is required.
Technical Specifications
| Specification | Value |
|---|---|
| Body Material | 304 Stainless Steel |
| Spring Material | Stainless Steel |
| Check Type | Dual poppet / spring |
| End Connections | Female NPT / Male NPT |
| Temperature Range | −20°F to 400°F (−29°C to 204°C) |
| Part Number | 34838 |
Key Features
- 304 Stainless Steel body — corrosion resistant across wide chemical and temperature range
- Dual poppet / spring design
- Spring-loaded — closes automatically on flow reversal
- Stainless spring internals — compatible with aggressive media
- Compact body for tight installation spaces
Common Applications
Applied in refrigeration line sets, chemical metering pump systems, and precision dosing equipment where two independent check stages prevent any reverse flow.
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