3/4 in. Brass Ball Valve with Locking Handle | 940174L
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The 3/4 in. forged brass full-port ball valve (part 940174L) pairs 600 psi WOG shutoff with a padlockable locking handle — lock it open or closed for lockout/tagout and tamper-resistant service. Female NPT both ends per ANSI B1.20.1, hard chrome-plated solid ball, virgin PTFE seats, bottom-loaded blow-out-proof stem. UL 842/258/125 listed and FM approved for 5 psig gas — each valve individually tested.
Technical Specifications
| Manufacturer Part Number (MPN) | 940174L |
| Nominal Size | 3/4 in. |
| Valve Type | Full-port ball valve, forged brass, locking handle |
| End Connections | Female NPT × Female NPT, ANSI B1.20.1 |
| Pressure Rating | 600 psi WOG non-shock |
| Steam Rating | 150 psi WSP saturated steam |
| Temperature Range | −22°F to 302°F (−30°C to 150°C) |
| Listings | UL 842, UL 258, UL 125; FM approved (5 psig gas) |
| Port | Full port (full bore) |
| Operation | Quarter-turn locking lever — padlockable open or closed |
Dimensions
| Bore Diameter | 0.75" |
| End-to-End Length | 2.48" |
| Height (center to top) | 2.24" |
| Handle Length | 3.62" |
| Weight | 0.78 lb |
Materials of Construction
| Body & End Connection | Forged Brass |
| Ball | Brass, hard chromium plated |
| Stem | Brass, bottom-loaded, blow-out-proof, adjustable packing gland |
| Ball Seats & Stem Seal | Virgin PTFE |
| Gland | Brass |
| Handle | Steel, locking type |
Performance & Testing
- Locking handle accepts a padlock in the fully open or fully closed position — supports OSHA lockout/tagout (LOTO) procedures
- Full-port bore — minimal pressure drop
- Each valve individually pressure tested
- Suitable for the full range of liquids and gases, including gasoline and diesel
- Blow-out-proof stem with adjustable packing gland — field-serviceable seal
- 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
Forged Brass Full Port Ball Valve with Locking Handle, 600 WOG, Female NPT (1/4"–2"). Jump to another size or add it straight to your cart:
| Size | Part # | Price | Cart |
| 1/4 in. | 940171L | $9.49 | Add to cart |
| 3/8 in. | 940172L | $9.49 | Add to cart |
| 1/2 in. | 940173L | $10.99 | Add to cart |
| 3/4 in. (this page) | 940174L | $16.99 | — |
| 1 in. | 940175L | $24.99 | Add to cart |
| 1-1/4 in. | 940176L | $37.99 | Add to cart |
| 1-1/2 in. | 940177L | $56.99 | Add to cart |
| 2 in. | 940178L | $81.99 | Add to cart |
Typical Applications
Lockout/tagout points on equipment and process lines, fuel and gas piping (UL 842 flammable liquids, UL 258 LP-gas, UL 125 fuel-gas service; FM approved 5 psig gas), fuel transfer (gasoline/diesel), 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 3/4 in. 600 WOG locking brass ball valve? Match nominal size, end connections, and WOG rating for a direct fit — or send us your part number and we will confirm the interchange. Need a male thread on one end? See the 3/4 in. MxF locking-handle ball valve (948173L). Don't need the locking handle? The standard 3/4 in. 600 WOG full-port ball valve (940174) is the same valve with a conventional lever.
Availability
In stock — ships direct from the manufacturer, typically 1–3 business days.