1/2 in. Male x Female Mini Ball Valve
Sizes in This Series
Chrome-plated economy mini valve, Male NPT x Female NPT. Jump to another size or add it straight to your cart:
| Size | Part # | Price | Cart |
| 1/8 in. | 46930 | $6.99 | Add to cart |
| 3/8 in. | 46932 | $6.99 | Add to cart |
| 1/2 in. (this page) | 46933 | $8.99 | — |
Overview
The Midland Industries 46933 is a 1/2 in. mini ball valve with Male NPT x Female NPT end connections, built for compact shutoff in tight spaces. It features a chrome-plated forged brass body with a chromium-plated brass ball and PTFE seat, rated to 450 psi. This quarter-turn valve delivers reliable on/off control where a full-size valve will not fit.
Technical Specifications
| Manufacturer | Midland Industries |
| Part Number (MPN) | 46933 |
| Nominal Size | 1/2 in. |
| End Connections | Male NPT x Female NPT |
| Valve Type | Mini ball valve |
| Pressure Rating | 450 psi |
| Temperature Range | 32 to 356°F |
| Lead Content | Contains lead |
Materials of Construction
| Body | Chrome-Plated Forged Brass |
| Ball | Chromium-Plated Brass |
| Stem | Brass |
| Seat | PTFE |
| Seal | NBR 80 |
Typical Applications
This 1/2 in. mini ball valve is a compact shutoff for pressure gauges, instrumentation lines, sight glasses, fuel and air lines, and equipment panels where space is limited. Its small footprint and quarter-turn operation make it ideal for isolating instruments, draining lines, and adding service shutoffs in tight quarters.
Cross-Reference and Interchange
This valve cross-references to these competitor and industry part numbers: 91043, MBV-MF-08 . 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
- Ball Valve Materials Guide
- Ball Valve Sizing Chart and Cv Reference
- Valve Pressure and Temperature Ratings Chart
- How to Choose the Right Valve
- NPT Thread Tightening: Turns Past Hand Tight
- Teflon Tape vs. Pipe Dope
Frequently Asked Questions
Is the 46933 rated for 450 psi?
Yes. This valve carries a 450 psi rating with an operating temperature range of 32 to 356°F.
What size and connections does it have?
It is a 1/2 in. mini ball valve with Male NPT x Female NPT end connections.
Is this valve lead-free?
No. This is a chrome-plated brass valve that contains lead and is not certified for potable drinking water. Use it for non-potable air, gas, oil, and general industrial service.
Can I order other sizes or connection styles?
Yes. We stock this mini ball valve in several sizes and connection configurations. Tell us your size and thread type and we will point you to the right part.
California Proposition 65 Warning: This product can expose you to chemicals including Lead, 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.