1/2 in. Female x Male Mini Ball Valve, Screwdriver, with Viton Seals
1/2 in. Female x Male Mini Ball Valve, Screwdriver, with Viton Seals
Overview
The Midland Industries 46933S is a 1/2 in. forged-brass mini ball valve with Female NPT x Male NPT (FPT x MPT) end connections. It is rated to 450 psi across 32 to 176°F, with PTFE / Fluoroelastomer (Viton) seals, a PTFE seat, and a 1/4-turn screwdriver-slot. Its low-profile screwdriver-slot operator suits gauges, instrumentation, fuel/oil lines, and tight equipment panels.
Technical Specifications
| Manufacturer | Midland Industries |
| Part Number (MPN) | 46933S |
| Nominal Size | 1/2 in. |
| End Connections | Female NPT x Male NPT (FPT x MPT) |
| Port Type | Standard |
| Pressure Rating | 450 psi |
| Temperature Range | 32 to 176°F |
| Body Material | Forged brass |
| Ball Material | Brass |
| Stem Material | Brass |
| Seat Material | PTFE |
| Seal Material | PTFE / Fluoroelastomer (Viton) |
| Operator | 1/4-turn screwdriver-slot |
| Lead Content | Contains lead |
Materials of Construction
| Body | Forged brass |
| Ball | Brass |
| Stem | Brass |
| Seat | PTFE |
| Seals | PTFE / Fluoroelastomer (Viton) |
Typical Applications
This compact brass valve is used on gauge and instrument isolation, fuel and lubricating-oil lines, air and low-pressure hydraulic circuits, and equipment panels where space is tight. The male-by-female ends let it tee straight into a fitting or gauge port without an adapter.
Cross-Reference and Interchange
Replacing a competitor valve? Match nominal size (1/2 in.), connections (Female NPT x Male NPT (FPT x MPT)), and rating (450 psi). Send us the part number you are crossing from and we will confirm the interchange.
Sizing and Installation Resources
- Ball valve materials guide
- Ball valve sizing & Cv reference
- Valve pressure/temperature ratings chart
- NPT thread tightening (turns past hand-tight)
- How to choose the right valve
Frequently Asked Questions
What is the pressure and temperature rating?
Rated to 450 psi across 32 to 176°F.
What seal does it use?
PTFE / Fluoroelastomer (Viton). Viton/fluoroelastomer models handle oils and fuels better than standard Buna-N.
What handle style is this?
A 1/4-turn screwdriver-slot operator for flush-mount or panel use.
Does it contain lead?
Yes, this is a brass valve that contains lead and is intended for non-potable, industrial service. See the Proposition 65 notice below.
California Proposition 65 Warning: WARNING: This product contains lead, a chemical 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.