1/4 in. Barrel Spring Check Valve
1/4 in. Barrel Spring Check Valve
Sizes in This Series
Stainless steel 2-piece barrel-type spring check valves. Jump to another size or add it straight to your cart:
| Size | Part # | Price | Cart |
| 1/4 (this page) | 949441 | $41.99 | — |
| 3/8 | 949442 | $34.99 | Add to cart |
| 1/2 | 949443 | $44.99 | Add to cart |
| 3/4 | 949444 | $63.99 | Add to cart |
| 1-1/2 | 949447 | $129.99 | Add to cart |
Overview
Midland Industries 949441 is a 1/4 in. two-piece barrel-type spring check valve with a CF8M/CF8 316 stainless steel body. It threads FPT x FPT (female NPT) and uses a stainless disc, NBR seat, and PTFE seal to stop reverse flow in gas, oil, and water service. It is rated to 300 psi WOG over a -14 to 250°F range.
Technical Specifications
| Manufacturer | Midland Industries |
| Part Number (MPN) | 949441 |
| Nominal Size | 1/4 in. |
| End Connections | FPT x FPT (female NPT both ends) |
| Valve Type | Barrel spring check |
| Pressure Rating | 300 psi WOG |
| Temperature Range | -14 to 250°F |
| Body Material | CF8M/CF8 316 Stainless Steel |
| Disc Material | 304 Stainless Steel |
| Seat Material | NBR |
| Seal Material | PTFE |
| Lead Content | N/A (stainless steel body) |
Materials of Construction
| Body Material | CF8M/CF8 316 Stainless Steel |
| Disc Material | 304 Stainless Steel |
| Seat Material | NBR |
| Seal Material | PTFE |
Typical Applications
Suited to gas, oil, and water systems where a corrosion-resistant stainless check valve is preferred — pump discharge, compressor lines, and skid piping. The spring-loaded barrel design works in any orientation; install with the flow arrow pointing in the direction of intended flow.
Cross-Reference and Interchange
Replacing a competitor check valve? Match nominal size (1/4 in.), connections, and rating. Send us the part number you are crossing from 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: Turns Past Hand Tight
Frequently Asked Questions
Which way does it install?
Point the body flow arrow in the direction of intended flow. The internal spring lets this barrel check operate in horizontal or vertical runs.
What is the body material?
CF8M/CF8 316 stainless steel with a 304 stainless disc and spring — corrosion resistant for gas, oil, and water.
What pressure and temperature can it handle?
300 psi WOG across a -14 to 250°F range.
Does it seal bubble-tight?
It uses an NBR seat with a PTFE seal and a spring-loaded barrel poppet for positive shutoff against reverse flow.
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.