1/2 in. Stainless Steel Inline Check Valve
1/2 in. Stainless Steel Inline Check Valve
Sizes in This Series
Stainless Steel Inline Check Valves, 1/2 in. and 3/4 in. Jump to another size or add it straight to your cart:
| Size | Part # | Price | Cart |
| 1/2 in. (this page) | 949430 | $49.99 | — |
| 3/4 in. | 949431 | $73.99 | Add to cart |
Overview
Midland Industries 949430 is a 1/2 in. inline check valve with FPT x FPT (female NPT) connections and a 304 stainless steel body. A spring-assisted poppet and fluoroelastomer seal open under forward flow and seal against reverse flow. The valve is lead-free, making it suitable for potable water as well as general inline service.
Technical Specifications
| Manufacturer | Midland Industries |
| Part Number (MPN) | 949430 |
| Nominal Size | 1/2 in. |
| End Connections | FPT x FPT (Female NPT) |
| Valve Type | Inline Spring Check |
| Pressure Rating | Not specified by manufacturer |
| Body Material | 304 Stainless Steel |
| Seal Material | Fluoroelastomer |
| Lead Content | Lead-Free |
Materials of Construction
| Body | 304 Stainless Steel |
| Seal | Fluoroelastomer |
Typical Applications
Provides backflow prevention in horizontal or vertical water and general fluid lines. Forward flow opens the spring-loaded poppet; reverse flow seats it closed. Install with the flow arrow pointing downstream.
Cross-Reference and Interchange
This valve cross-references to these competitor and industry part numbers: CVS50, RL01-108SA . Replacing one of these? Match nominal size, end connections, and the rating for a direct fit, or send us your part number and we will confirm the interchange.
Sizing and Installation Resources
- Check Valve Types Explained
- Valve Pressure & Temperature Ratings Chart
- How to Choose the Right Valve
- NPT Thread Tightening Guide
- Teflon Tape vs. Pipe Dope
Frequently Asked Questions
Q: Is this valve lead-free?
A: Yes, it is rated lead-free and suitable for potable water lines.
Q: What is the body material?
A: A 304 stainless steel body with a fluoroelastomer seal.
Q: What are the connections?
A: FPT x FPT female NPT threads on both ends.
Q: Which way does it install?
A: Follow the flow arrow on the body so forward flow opens the poppet.
California Proposition 65 Warning: This product can expose you to chemicals including Chromium, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.