3/4 in. Stainless Steel Check Valve
✓ In stock at the manufacturer — typically ships within 1–2 business days.
Flat-rate shipping, nationwide- Orders under $100: $9.95
- 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 3/4 in. Stainless Steel Check Valve (Midland part #949431) is an inline check valve with a 304 stainless steel body, female NPT threads on both ends and a fluoroelastomer seal.
Technical Specifications
| Part Number (MPN) | 949431 |
| Nominal Size | 3/4 in. |
| Body | 304 stainless steel |
| Seal | Fluoroelastomer |
| End connections | FPT x FPT (female NPT), thread size 3/4 - 14 |
| Inlet-to-outlet length | 2.72 in. |
| Lead content | Midland lists this model as "Lead-Free" (manufacturer designation) |
Values are from Midland's product page for 949431. Midland does not list a pressure or temperature rating on that page; ask us and we will confirm them with Midland before you order.
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.
Cross-References
CVS75, RL01-108SB
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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