3/8 in. Male NPT x Female NPT Stainless Steel Mini Ball Valve
3/8 in. Male NPT x Female NPT Stainless Steel Mini Ball Valve
Sizes in This Series
316 Stainless Steel Mini Ball Valve, 1000 PSI WOG, Male NPT x Female NPT. Jump to another size or add it straight to your cart:
| Size | Part # | Price | Cart |
| 1/4 in. | 46903SS | $64.99 | Add to cart |
| 3/8 in. (this page) | 46904SS | $62.99 | — |
Overview
The Midland Industries 46904SS is a 3/8 in. 316 stainless steel mini ball valve rated to 1000 psi WOG, with a Male NPT inlet and Female NPT outlet and a standard-port bore. The 316 SS body, ball, and stem with PTFE seats deliver strong corrosion resistance for instrumentation and compact process service. A quarter-turn handle gives fast, leak-tight shutoff.
Technical Specifications
| Manufacturer | Midland Industries |
| Part Number (MPN) | 46904SS |
| Nominal Size | 3/8 in. |
| End Connections | Male NPT x Female NPT (MPT x FPT) |
| Port Type / Valve Type | Standard port mini ball valve, quarter-turn |
| Pressure Rating | 1000 psi WOG |
| Temperature Range | -36 to 368°F |
| Operator | 1/4-turn handle |
| Lead Content | See California Proposition 65 warning below |
Materials of Construction
| Body | 316 Stainless Steel |
| Ball | 316 Stainless Steel |
| Stem | 316 Stainless Steel |
| Seat / Seal | PTFE |
| O-Ring / Trim | Fluoroelastomer |
| Handle | Steel |
Typical Applications
Rated to 1000 psi WOG, this 3/8 in. 316 SS mini valve fits higher-pressure instrumentation, hydraulic test points, compressed air, and corrosive small-bore lines. The Male NPT x Female NPT layout threads inline without an adapter.
Cross-Reference and Interchange
Replacing a competitor valve? Match nominal size (3/8 in.), connections, and the rating. Send us the part number you are crossing from and we will confirm the interchange.
Sizing and Installation Resources
- Ball valve materials guide (316 SS vs. brass)
- How to choose the right valve
- Valve pressure and temperature ratings chart
- NPT thread tightening: turns past hand tight
- Ball valve sizing chart and Cv reference
Frequently Asked Questions
Q: What is the pressure rating?
A: 1000 psi WOG (water, oil, gas). See our pressure and temperature ratings chart for service limits.
Q: What are the connections?
A: Male NPT (MPT) inlet and Female NPT (FPT) outlet, 3/8 in. nominal.
Q: Is this a full or standard port valve?
A: This size is standard port. Full port offers maximum flow; standard port is slightly restricted.
Q: What temperatures can it handle?
A: -36 to 368°F with the PTFE seats and 316 stainless construction.
California Proposition 65 Warning: This product can expose you to chemicals, including Lead, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information visit www.P65Warnings.ca.gov.