4 in. Brass Ball Valve, 400 WOG Full Port | 940181
4 in. Brass Ball Valve, 400 WOG Full Port | 940181
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
- 940181
- Size
- 4 in
- Connections
- Female NPT × Female NPT (FPT × FPT)
- Body
- Brass
- Construction
- Full port
- Pressure rating
- 400 psi WOG
Order multiple sizes
Enter quantities for any sizes, then add them to your cart together.
Available sizes typically ship within 1–2 business days. Backordered sizes may be ordered, but their shipping date is not currently confirmed.
Enter a quantity and add one size at a time.
| Size | Configuration | Availability | Price | Quantity |
|---|---|---|---|---|
| 1/4 in. | Female NPT × Female NPTFPT × FPT | Available to ship | $7.99 | |
| 3/8 in. | Female NPT × Female NPTFPT × FPT | Available to ship | $7.99 | |
| 1/2 in. | Female NPT × Female NPTFPT × FPT | Available to ship | $9.99 | |
| 3/4 in. | Female NPT × Female NPTFPT × FPT | Available to ship | $13.99 | |
| 1 in. | Female NPT × Female NPTFPT × FPT | Available to ship | $21.99 | |
| 1-1/4 in. | Female NPT × Female NPTFPT × FPT | Available to ship | $30.99 | |
| 1-1/2 in. | Female NPT × Female NPTFPT × FPT | Available to ship | $45.99 | |
| 2 in. | Female NPT × Female NPTFPT × FPT | Available to ship | $71.99 | |
| 3 in. | Female NPT × Female NPTFPT × FPT | Available to ship | $190.99 | |
| 4 in. This page | Female NPT × Female NPTFPT × FPT | Available to ship | $332.99 |
No sizes selected
Product overview
The 4 in. forged brass ball valve (part 940181) is a full port, quarter-turn valve with female NPT threads on both ends, a chromium-plated brass ball, a brass stem and PTFE seats and seals. Rated 400 psi WOG (non-shock). Not lead-free.
Technical Specifications
| Manufacturer Part Number (MPN) | 940181 |
| Nominal Size | 4 in. |
| Valve Type | Full port ball valve, forged brass |
| End Connections | Female NPT × Female NPT (FPT × FPT) |
| Pressure Rating | 400 psi WOG (non-shock) |
| Steam Rating | Spec sheet available on request |
| Temperature Range | −22°F to 302°F |
| Body Material | Forged brass |
| Port | Full port |
| Operation | Quarter-turn lever handle |
Dimensions and construction
Dimensions for this size (4 in)
| Letter | Dimension | Inches |
|---|---|---|
| DN | Bore diameter | 3.89 |
| A | End-to-end length | 7.38 |
| B | Inlet centerline to top of handle | 5.86 |
| C | Stem centerline to handle end | 9.00 |
Dimensional drawing: values shown are for the selected size. Manufacturer dimensions may change without notice; confirm critical dimensions before ordering.
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
- Bottom-entry, blow-out-proof stem with adjustable packing gland, per the Midland catalog
- Each valve individually tested, per the Midland catalog
- Threaded ends to ANSI B1.20.1, per the Midland catalog
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
- 01728170T
- 40024-64
- 47865K73
- 757T11
- 759T11
- DANDBBV4
- HP-Q104 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
Confirm this valve for my service Request volume pricing Match a competitor part number
Requests are usually answered the same business day. sales@apexflowsolutions.com