1-1/2 in. Barrel Spring Check Valve
1-1/2 in. Barrel Spring Check Valve
✓ In stock at the manufacturer — typically ships within 1–2 business days.
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- Orders $100 and up: $14.95
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Volume order or crossing a competitor part number? Request a quote — usually answered the same business day.
The 1-1/2 in. Barrel Spring Check Valve (Midland part #949447) is a two-piece barrel-type spring check valve with a cast stainless steel body and female NPT threads on both ends.
Technical Specifications
| Part Number (MPN) | 949447 |
| Nominal Size | 1-1/2 in. |
| Body | CF8M/CF8 316 stainless steel (Midland) |
| Disc | 304 stainless steel |
| Seat | NBR |
| Seal | PTFE |
| Trim (Midland) | 304 stainless steel bolt, 316/304 stainless steel spring, CF8M/CF8 stainless steel cap |
| End connections | FPT x FPT (female NPT), thread size 1-1/2 - 11-1/2 |
| Pressure rating | 300 psi WOG (Midland product page) |
| Inlet-to-outlet length | 3.46 in. |
Values are from Midland's product page for 949447. Ask us for any value not shown, including the temperature rating for your service; Midland's catalog and product data state it differently, and we confirm it for the exact model.
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
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