Advance Tabco
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In stock
Milwaukee Valve
Milwaukee Valve 1186 1-1/4" Gate Valve Class 300 FNPT
Bronze gate valve controls gas, oil or water flow up to 1,000 psi with a non-rising stem and stainless steel seats
- Size1-1/4"
- TypeOther
- Reliable flow control for gas, oil and water with bronze body
- Handles up to 1000 psi operating pressure with Class 300 rating
- Non-rising stem design saves space and simplifies maintenance
- Stainless steel seats and bronze wedge ensure tight sealing and long service life
- Female NPT connection allows direct installation on standard pipe threads
1-1/4" Class 300 Bronze Gate Valve
The Milwaukee Valve 1186 is a bronze gate valve designed for controlling flow in piping systems carrying gas, oil or water. Its 1-1/4 inch female NPT connections suit standard threaded pipework in commercial and industrial installations.
Sustained pressure and steam rating
The valve handles a maximum operating pressure of 1,000 psi and a steam rating of 300 psi, with a bronze body, bonnet, stem and solid wedge that resist deformation under continuous load. A union bonnet and stainless-steel seats maintain sealing integrity over repeated cycles.
Cv 97 flow coefficient
A coefficient of volume of 97 determines the flow capacity at a given pressure drop, making this the decisive figure for sizing the valve to the system. Buyers needing a higher or lower Cv must select a different model.
Highlights
- Reliable flow control for gas, oil and water with bronze body
- Handles up to 1000 psi operating pressure with Class 300 rating
- Non-rising stem design saves space and simplifies maintenance
- Stainless steel seats and bronze wedge ensure tight sealing and long service life
- Female NPT connection allows direct installation on standard pipe threads
Specifications
| Brand | MILWAUKEE VALVE |
|---|---|
| Size | 1-1/4" |
| Type | Other |
Questions about this item
Will the bronze body and non-rising stem run hot or make noise under continuous 1,000 psi water service?
Bronze body and bronze stem run cool with no moving parts that generate noise; the solid bronze wedge and stainless steel seats handle 1,000 psi cold water pressure continuously without heat buildup or vibration.
What piping must I already have to install this 1-1/4" FNPT gate valve?
You need 1-1/4" male NPT threads on both pipe ends; the valve's female NPT connections thread directly onto them with no flanges, solder joints or adapters required.
Can I keep my existing bronze trim and stainless seats when adding this Class 300 valve to an older steam line?
Yes — the bronze wedge, bronze stem, bronze seals and stainless steel seats match traditional bronze trim, so the valve integrates with older bronze-bodied steam piping rated for 300 psi steam.
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