3/4 in. Brass Ball Valve, Male x Female, Locking Handle, UL Listed
Sizes in This Series
Locking-handle male x female full-port ball valves, UL, 600 WOG. Jump to another size or add it straight to your cart:
| Size | Part # | Price | Cart |
| 1/4 in. | 948170L | $12.99 | Add to cart |
| 3/8 in. | 948171L | $13.99 | Add to cart |
| 1/2 in. | 948172L | $14.99 | Add to cart |
| 3/4 in. (this page) | 948173L | $21.99 | — |
| 1 in. | 948174L | $37.99 | Add to cart |
| 1-1/4 in. | 948175L | $67.99 | Add to cart |
| 1-1/2 in. | 948176L | $82.99 | Add to cart |
| 2 in. | 948177L | $112.99 | Add to cart |
Overview
Midland Industries MPN 948173L is a 3/4 in. full-port brass ball valve with male NPT x female NPT (MPT x FPT) connections and a lockable quarter-turn handle. The forged-brass body carries a chrome-plated brass ball on PTFE seats and seal, rated to 600 psi WOG. It is the locking-handle member of the UL-listed 948 series.
Technical Specifications
| Manufacturer | Midland Industries |
| Part Number (MPN) | 948173L |
| Nominal Size | 3/4 in. |
| End Connections | MPT x FPT (male x female NPT) |
| Port Type | Full Port |
| Pressure Rating | 600 psi WOG |
| Temperature Range | -20°F to 300°F |
| Body Material | Forged Brass |
| Ball Material | Chrome-Plated Brass |
| Stem Material | Brass |
| Seat Material | PTFE |
| Seal Material | PTFE |
| Approvals | UL Listed |
| Operator | 1/4-Turn Locking Handle |
| Lead Content | Contains Lead |
Materials of Construction
| Body | Forged Brass |
| Ball | Chrome-Plated Brass |
| Stem | Brass |
| Seat | PTFE |
| Seal | PTFE |
| Handle | Steel with Vinyl Insulator, Lockable |
Typical Applications
Commercial water shutoffs, gas service lines, and compressed air mains requiring valve position security. MPT x FPT pattern installs inline without an extra coupling.
Cross-Reference and Interchange
Replacing a competitor valve? Match nominal size (3/4 in.), MPT x FPT connections, and rating. 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
- Pressure & Temperature Ratings Chart
- How to Choose the Right Valve
- NPT Thread Tightening Turns Past Hand Tight
Frequently Asked Questions
What does the locking handle do?
It accepts a padlock to secure the valve open or closed for lockout/tagout.
What are the end connections?
One end is male NPT (3/4-14) and the other is female NPT (3/4-14).
Is the non-locking version available?
Yes — see MPN 948173 for the same valve without the locking handle.
Is it full port?
Yes, the bore matches the nominal size.
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.