1 in. Inline Check Valve, Midland 947145
1 in. Inline Check Valve, Midland 947145
✓ In stock at the manufacturer — typically ships within 1–2 business days.
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The 1 in. Inline Check Valve, Midland 947145 is a spring-loaded inline check valve with a cast bronze body and female NPT threads on both ends. Midland lists a PTFE seal and a PTFE poppet.
Technical Specifications
| Part Number (MPN) | 947145 |
| Nominal Size | 1 in. |
| Body | Cast bronze |
| Seal | PTFE |
| Trim (Midland) | Brass plug, stainless steel spring, HNBR O-ring, C360 machined brass cap, PTFE poppet |
| End connections | FPT x FPT (female NPT), thread size 1 - 11-1/2 |
| Pressure rating | 250 psi (Midland product page) |
| Port | 1/8 in. NPT unloader port |
| Inlet-to-outlet length | 3.61 in. |
| Lead content | Midland lists this model as "Contains Lead" |
Values are from Midland's product page for 947145. Ask us for any value not shown, including the temperature rating and installation position for your service.
Installation
Install with the flow arrow pointing downstream, and follow the manufacturer's installation instructions.
Request a quote or send us your existing part number to match.
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
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