Dual Check Valve, 3/8 in. Male Flare x 3/8 in. Male Flare, 304 Stainless Steel
$3.84
Sale price
$3.84
Regular price
$5.99
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, 3/8 in. Male Flare x 3/8 in. Male Flare, 304 Stainless Steel (#34845) 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 | Flare |
| Temperature Range | −20°F to 400°F (−29°C to 204°C) |
| Part Number | 34845 |
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
- Flare connections — no threading required, leak-tight mechanical seal
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