Pressure Seal Bonnet Gate Valve
Introduction
The Pressure Seal Bonnet Gate Valve is a versatile valve that can be used for low and high temperature and pressure applications, and can be adapted to different valve materials. It is commonly used in pipelines as a cut-off medium, meaning it is either fully open or fully closed. With its vertical closing member and excellent sealing, the Pressure Seal Bonnet Gate Valve offers reliable performance and high pressure rating. Its simple body structure and efficient manufacturing process make it a popular choice for a wide range of industrial applications.
Technical Specifications:
| Description | Specification |
|---|---|
| Sizes | NPS 2 to NPS 48 |
| Pressure Class | Class 150 to 2500 |
| Casting Materials | A216 WCB, WC6, WC9, A350 LCB, A351 CF8, CF8M, CF3, CF3M, A995 4A, A995 5A, A995 6A |
| Other Materials | Alloy 20, Monel, Inconel, Hastelloy |
| Bore | Full or Reduced |
| End Connections | RF, RTJ, or BW |
| Stem | Outside Screw & Yoke (OS&Y), rising stem |
| Bonnet | Pressure Seal |
| Wedge | Flexible or Solid |
| Seat Rings | Renewable |
Design Standard
Design & manufacture: API 600, API 603, ASME B16.34
Face-to-face: ASME B16.10
End Connection: ASME B16.5 (RF & RTJ), ASME B16.25 (BW)
Test & inspection: API 598
Also available per NACE MR-0175, NACE MR-0103, ISO 15848, API624
Advantages
The Pressure Seal Bonnet Gate Valve features low fluid resistance, requiring less torque to open and close, making it more convenient to use. In addition, the flow direction of the medium is not restricted, and the sealing is excellent, making it less likely to leak. When fully open, the sealing surface is less eroded by the working medium compared to a globe valve. Its body structure is simple and its manufacturing process is efficient.
Applications
The Pressure Seal Bonnet Gate Valve is an excellent choice for applications where pressure is too high for other types of gate valves. With its high-pressure rating and reliable performance, the valve is commonly used in the oil and gas, power generation, and chemical industries. It is also well-suited for steam, air, gas, and liquid applications. The valve’s low fluid resistance and efficient operation make it a convenient option for industrial use. Its simple body structure and efficient manufacturing process make it an affordable and practical choice for a wide range of industrial settings.
Q&A
1. What is a Pressure Seal Bonnet Gate Valve?
A Pressure Seal Bonnet Gate Valve is a type of gate valve designed to withstand high pressure. It is used in applications where pressure is too high for other types of gate valves. The valve is equipped with a pressure seal bonnet that ensures a tight seal and prevents leakage.
2. How does it differ from other types of gate valves?
Pressure Seal Bonnet Gate Valves differ from other types of gate valves in their design and construction. They are designed to withstand high pressure and are equipped with a pressure seal bonnet that ensures a tight seal and prevents leakage.
3. What applications is it best suited for?
Pressure Seal Bonnet Gate Valves are best suited for applications where pressure is too high for other types of gate valves. They are commonly used in the oil and gas, power generation, and chemical industries.
4. What are the advantages of using a Pressure Seal Bonnet Gate Valve over other types of gate valves?
The advantages of using a Pressure Seal Bonnet Gate Valve over other types of gate valves include a high pressure rating, reliable performance, and durable construction.
