Description
1/2 Bronze Gate Valve
JX-0749
- Bronze Gate Valve
- Applicable Media: steam, water, oil, and gas; Working Temp: 0 to 300 Degrees F
- Bronze Forged Body
- Female x Female NPT, IPS
- Pressure rated: 200WOG & 125WSP
- Non-rising stem
- Cast Iron Handle
- Suitable for a full range of liquids and gas
- Flow can go in both directions
- Each valve was individually tested
- Threaded ends to ANSI
- 200 WOG,1/2 inch Bronze Gate Valve
- Dimensions: through 1/2 to 2 inch
What Is A Gate Valve?
A gate valve is named after the internal mechanism that enables water flow. This mechanism looks like a gate that moves up and down on a stem connected to the handle. The handle is a screw handle that moves the gate up and down, opening and closing the valve as needed. They are best used in on/off applications where the valve is used infrequently. They are sometimes found in home plumbing systems, though ball valves are becoming more popular in this area. They are also commonly found in the oil and gas industry, pharmaceuticals, manufacturing, automotive, and marine applications. They can be used in high-pressure and high-temperature environments often found in manufacturing.
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gate valve drawing
A brass gate valve is a type of valve that regulates fluid flow through pipes. This type of valve typically has a stem and screw mechanism that can be rotated to stop or start the flow in one direction. Gate valves usually have an opening gate, which allows for quick closing when maintenance (or emergency) work is required on the system. Brass gate valves often withstand high pressure and temperature fluctuation in water systems. However, Brass is a relatively expensive material, so it’s not commonly used for other fluid systems.
A Watergate valve is usually used in water systems to regulate fluid flow through pipes.
| Parameter | Brass/Bronze Gate Valve |
|---|---|
| Sizes | 1/2″, 3/4″, 1″, 1 1/4″, 1 1/2″, 2″ |
| Min. Working Pressure | 0 psi (0 bar) |
| Max. Working Pressure | 20 bar |
| Min. Working Temp. | -4°F (-20°C) |
| Max. Working Temp. | 356°F (180°C) |
| Material | Brass or Bronze (body & disc) |
| Connection Type | Threaded (NPT, BSP) |
| Seal Material | PTFE |
| Handle Material | Iron or Aluminum |
| Operation | Handwheel |
Brass Gate Valves Features:
- Brass is an alloy of copper and zinc, which offers good corrosion resistance and strength.
- They suit various applications, including water, gas, and oil systems.
- Brass valves are more cost-effective due to the lower cost of zinc than other alloying elements.
- However, Brass may be susceptible to dezincification, a process where zinc leaches out, leaving a porous and weakened structure. This can be mitigated by using dezincification-resistant (DZR) brass.
Bronze Gate Valves Features:
- Bronze is an alloy of copper and tin, sometimes with additional elements like aluminum, silicon, or phosphorus.
- They offer excellent corrosion resistance, especially in seawater or other corrosive environments, and have higher strength than brass valves.
- Bronze gate valves are more suitable for marine applications, firefighting systems, or where corrosion resistance is a priority.
- They tend to be more expensive than brass valves due to the higher cost of tin as an alloying element.
In summary, the choice between brass and bronze gate valves largely depends on the application and specific requirements. Brass valves are generally more cost-effective and suitable for various applications, while bronze valves offer enhanced corrosion resistance and strength, making them ideal for more demanding or specialized environments.
