1/4 in. Brass Ball Valve, Male x Female, Locking Handle, UL Listed | 948170L
1/4 in. Brass Ball Valve, Male x Female, Locking Handle, UL Listed | 948170L
✓ In stock at our distribution warehouses — typically ships within 1–2 business days.
Flat-rate shipping, nationwide- Orders under $100: $9.95
- $100 – $499.99: $14.95
- Orders $500+: quoted — real freight for your order, not a flat guess
Volume order or crossing a competitor part number? Request a quote — usually answered the same business day.
The 1/4 in. forged brass ball valve (part 948170L) combines Male × Female NPT ends with a padlockable locking lever handle — quarter-turn shutoff you can lock in the open or closed position for lockout/tagout and tamper-resistant service. UL 842 and UL 258 listed, rated 600 psi WOG and 150 psi WSP. The male end threads directly into equipment ports, tanks, or bushings; the female end accepts standard pipe — no extra nipple required.
Technical Specifications
| Manufacturer Part Number (MPN) | 948170L |
| Nominal Size | 1/4 in. |
| Valve Type | Ball valve, forged brass, locking handle |
| End Connections | Male NPT × Female NPT, ANSI B1.20.1 |
| Pressure Rating | 600 psi WOG |
| Steam Rating | 150 psi WSP |
| Temperature Range | −20°F to 300°F |
| Listings | UL 842, UL 258 |
| Operation | Quarter-turn locking lever, vinyl grip — padlockable open or closed |
Dimensions
| Bore Diameter | 0.315" |
| End-to-End Length | 2.016" |
| Height (center to top) | 1.732" |
| Handle Length | 3.543" |
| Weight | 0.32 lb |
Materials of Construction
| Body & End Cap | Forged Brass |
| Ball | Brass, chrome plated |
| Stem | Brass, blow-out-proof design |
| Ball Seat & Stem Packing | PTFE |
| Packing Nut | Brass |
| Lever Handle | Nickel-plated steel, vinyl grip |
| Stem Nut | Brass-plated steel |
Performance & Testing
- Locking lever accepts a padlock in the fully open or fully closed position — supports OSHA lockout/tagout (LOTO) procedures
- Blow-out-proof stem with packing nut, O-ring and stem packing seal
- Threads conform to ANSI B1.20.1
- Not lead-free — for potable water supply lines, choose a lead-free certified valve (see Lead-Free Valves in our Valves menu)
Other Sizes in This Series
Brass Ball Valve, Male × Female NPT, Locking Handle, UL Listed (1/4"–2"). Jump to another size or add it straight to your cart:
| Size | Part # | Price | Cart |
| 1/4 in. (this page) | 948170L | $10.99 | — |
| 3/8 in. | 948171L | $11.99 | Add to cart |
| 1/2 in. | 948172L | $12.99 | Add to cart |
| 3/4 in. | 948173L | $17.99 | Add to cart |
| 1 in. | 948174L | $30.99 | Add to cart |
| 1-1/4 in. | 948175L | $55.99 | Add to cart |
| 1-1/2 in. | 948176L | $69.99 | Add to cart |
| 2 in. | 948177L | $94.99 | Add to cart |
Typical Applications
Lockout/tagout points on equipment and process lines, fuel and gas piping (UL 842 valves for flammable liquids, UL 258 for LP-gas shutoff), compressed air isolation, tamper-resistant outdoor or public-access installations, and general industrial shutoff where the valve position must be secured. Not for potable water supply (not lead-free).
Cross-References & Interchange
Replacing another brand's 1/4 in. UL-listed locking brass ball valve? Match nominal size, end connections (Male × Female NPT), and WOG rating for a direct fit — or send us your part number and we will confirm the interchange. Need female threads on both ends? See the 1/4 in. FxF locking-handle ball valve (940171L).
Availability
In stock — ships direct from the manufacturer, typically 1–3 business days.