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Bellow Seal Gate Valve
Bellow Seal Gate Valve

Bellow Seal Gate Valve

Design Standards: API600, ASME B16.34, etc.
Size Range: NPS2~NPS48, DN50~DN1200
Nominal Pressure : CLASS150~CLASS600
Connection: RF, RTJ, BW, etc.
Materials: ASTM A216 WCB, ASTM A352 LCB, ASTM A351 CF8, ASTM A351 CF8M, A995 4A etc.
Applicable Temperature: -29℃~300℃
Applicable Medium: Oil, Gas, Toxics, Steam, etc.
Operation: Handwheel, Gear, Pneumatic, Electric,etc.

description

Product Features:  

1.No Easy to Age and Leak: The valve completely eliminates the shortcomings of fast aging and easy leakage of ordinary valve stem packing seals, which not only improves the energy efficiency and increase the safety of production equipment, reduces maintenance costs and frequent maintenance, but also provides a clean and safe working environment.

2.Wide Applications: The valve is suitable for pipelines in various working conditions such as petroleum, chemical, pharmaceutical, fertilizer, and power industries with nominal pressure PN1.6~4.0MPa and working temperature under -29℃~350℃, cutting off or connecting pipeline medium.

3.Double Sealing Design: The double sealing design of bellows + packing is adopted. Even if the bellows fails, the valve stem packing can prevent leakage and ensure the safety of the system.

4.Eliminate External Leakage: The design meets international sealing standards, effectively eliminates external leakage, and improves the safety and environmental protection of the equipment.

5.Limit Device: Set the limit device to ensure that the bellows seal is not affected when opening and closing.      

6.OS&Y Structure: The OS&Y design makes the valve opening and closing position clear, which is convenient for operation and monitoring.  

7.Energy Saving and Safety: The valve design has no fluid loss, which reduces energy loss, and further improves the safety of factory equipment.

8. Long Service Life and Low Maintenance: The valve design has a long service life, reducing maintenance times, related costs, and overall operating expenses.


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