Stainless Steel Bellow Seal Globe Valve
- Body , Chest: Solid One piece casting of Cast Iron Fg 260, Cast Steel Gr WCB ,CF8,CF8M.
- Seat: Integral to Body, Soft, Optional.
- Gate: AISI SS 304,316,316L,317,317L
- Screw Spindle: AISI SS 410,304,316.
- Nut: Stainless Steel
- Gland Follower: Cast Iron , Cast steel , Ductile Iron ,CF8,CF8M.
- Hand Wheel: Cast Iron , Cast steel , Ductile Iron
- Gland Packing: PTFE , PTFE Impregnated
- Material: Made of high-quality stainless steel for corrosion resistance and durability.
- Bellow Seal: Features a metal bellow that acts as a dynamic seal, preventing leakage and isolating the fluid from the valve stem.
- Leakage Prevention: Provides superior sealing performance to minimize the risk of leakage.
- Flexibility: The bellow seal design allows for thermal expansion, contraction, and vibration compensation, ensuring a tight and leak-free operation.
- Easy Maintenance: The bellow seal can be easily replaced without removing the entire valve from the pipeline, reducing downtime during maintenance.
- Versatility: Suitable for various applications and fluids such as steam, water, oil, and gas.
- Compliance with Standards: Meets international standards such as API, ANSI, DIN, or JIS, ensuring quality and compatibility with existing systems.
| Attributes | Description |
|---|---|
| Valve Type | Bellow Seal Globe Valve |
| Size Range | DN50 to DN300 |
| Body Rating | ANSI Class 150 to 2500 |
| Body Material | Carbon Steel, Stainless Steel, Alloy Steel |
| Trim Material | Stainless Steel, Alloy Steel |
| Seat Ring | Stainless Steel Overlay |
| Stem | Rising Stem, Non-Rising Stem |
| Stem Seal | Bellow Seal |
| End Connection | Flanged, Butt Weld |
| Actuator | Manual, Pneumatic, Electric |
| Design Standard | API 602, ASME B16.34 |
Stainless Steel Bellow Seal Globe Valve Introduction
Stainless steel bellow seal globe valve is a type of valve that is commonly used in industrial applications where a leak-proof seal is required. They are characterized by their use of a bellows seal to provide a tight seal between the valve body and stem.
Construction
Stainless steel bellow seal globe valves are typically made of a high-quality stainless steel alloy, such as 316L. This material provides excellent resistance to corrosion, erosion, and mechanical stress. The valve body is typically T-shaped, with a plug (disc) that moves perpendicular to the flow direction. The plug is typically made of stainless steel for enhanced corrosion resistance and wear protection. The bonnet is typically bolted for easy access to the internal components during maintenance.
Design
Stainless steel bellow seal globe valves are designed to provide precise flow control and tight shutoff. The plug moves gradually as the valve is operated, allowing for precise control of the flow rate. The plug is sealed to the seat by a bellows seal, which provides a tight seal and prevents leaks.
Performance
Stainless steel bellow seal globe valves are rated to a pressure of 40 bar (580 psi). This makes them suitable for a wide range of industrial applications, including oil and gas, chemical processing, and power generation. The valves can also handle a wide range of temperatures, typically from -10°C to +300°C.
Applications
Stainless steel bellow seal globe valves are used in a variety of industrial applications, including:
- Oil and gas: For isolating pipelines, regulating flow in wellheads, and controlling pressure in refineries.
- Chemical processing: Handling corrosive and abrasive fluids in chemical plants.
- Power generation: Controlling steam and water flow in power plants.
- Food and beverage: Regulating flow and isolating sections of piping systems.
Conclusion
Stainless steel bellow seal globe valves are a versatile and dependable shutoff solution for a wide range of industrial applications where a leak-proof seal is required. They are characterized by their robust construction, high pressure rating, and wide temperature range.
Bellows seal
The bellows seal is the key component that provides a leak-proof seal in a stainless steel bellow seal globe valve. It is typically made of a flexible material, such as rubber or polymer, that can withstand high pressure and temperature. The bellows seal is located between the plug and the valve body, and it is compressed when the valve is closed. This compression creates a tight seal that prevents leaks.
Jhy engineers have meticulously designed these valves to operate with minimal moving parts, ensuring frictionless movement and near-instantaneous closure. Learn more by visiting our contact page.
Ready to experience the Jhy difference? Visit their website at https://www.jhyvalve.com/ and discover how their Stainless Steel Bellow Seal Globe Valve can safeguard your system and ensure the smooth flow of your success.
