1/4 in. Brass Ball Valve with Locking Handle | 940171L
1/4 in. Brass Ball Valve with Locking Handle | 940171L
Availability & shipping
Available to ship
Shipping charges are shown at checkout. Larger sizes may ship by freight.
Key specifications
- Manufacturer
- Midland Industries
- Manufacturer part number
- 940171L
- Size
- 1/4 in
- Connections
- Female NPT × Female NPT (FPT × FPT)
- Body
- Brass
- Construction
- Full port
- Pressure rating
- 600 psi WOG
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Available sizes typically ship within 1–2 business days. Backordered sizes may be ordered, but their shipping date is not currently confirmed.
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| Size | Configuration | Availability | Price | Quantity |
|---|---|---|---|---|
| 1/4 in. This page | Female NPT × Female NPTFPT × FPT | Available to ship | $9.99 | |
| 3/8 in. | Female NPT × Female NPTFPT × FPT | Available to order — ship date not confirmed | $9.99 | |
| 1/2 in. | Female NPT × Female NPTFPT × FPT | Available to ship | $10.99 | |
| 3/4 in. | Female NPT × Female NPTFPT × FPT | Available to ship | $16.99 | |
| 1 in. | Female NPT × Female NPTFPT × FPT | Available to ship | $25.99 | |
| 1-1/4 in. | Female NPT × Female NPTFPT × FPT | Available to ship | $38.99 | |
| 1-1/2 in. | Female NPT × Female NPTFPT × FPT | Available to ship | $57.99 | |
| 2 in. | Female NPT × Female NPTFPT × FPT | Available to ship | $83.99 |
No sizes selected
Product overview
The 1/4 in. forged brass ball valve (part 940171L) has a quarter-turn locking handle, a full port and female NPT threads on both ends, with a chromium-plated brass ball, a brass stem and PTFE seats and seals. Rated 600 psi WOG. Not lead-free.
Technical Specifications
| Manufacturer Part Number (MPN) | 940171L |
| Nominal Size | 1/4 in. |
| Valve Type | Full port ball valve, forged brass, locking handle |
| End Connections | Female NPT × Female NPT (FPT × FPT) |
| Pressure Rating | 600 psi WOG |
| Steam Rating | Spec sheet available on request |
| Temperature Range | −22°F to 302°F |
| Body Material | Forged brass |
| Port | Full port |
| Operation | Quarter-turn locking handle |
Dimensions
| Bore Diameter | 0.31" |
| End-to-End Length | 1.73" |
| Height (center to top) | 1.84" |
| Stem centerline to handle end | 3.15" |
Materials of Construction
| Body | Forged brass |
| Ball | Chromium-plated brass |
| Stem | Brass |
| Seats & Seals | PTFE |
| Handle | Steel with vinyl insulator |
| Gland & Nut | Brass gland, steel nut |
Performance & Testing
Stem design and testing details for this locking-handle line: spec sheet available on request.
Service suitability
Media suitability depends on the specific fluid, concentration, temperature, pressure and seat/seal materials — tell us your service conditions and we will confirm suitability with the manufacturer. Allowable pressure decreases as temperature rises; confirm the pressure rating at your operating temperature with us before ordering.
Not lead-free: do not use this valve for potable (drinking) water service.
Manufacturer-listed interchange numbers
- 4629K11
- Q104FS 1/4
Manufacturer-listed references; confirm dimensions and service requirements before substitution. Replacing one of these? Send us the part number and we will confirm the match.
Compare related series
Documents and technical resources
Confirm this valve for your service
Send us the details below and the Apex Flow Solutions technical desk will check suitability with the manufacturer. We’ll recommend the correct valve — or tell you if you don’t need one.
- Media (what flows through the valve)
- Concentration, if a chemical
- Temperature range
- Operating pressure
- Connection (size and thread)
- Quantity
- Existing or competitor part number, if replacing one
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