WJ41H/W/Y bellows globe valve

Our bellows sealed globe valve has a reasonable structure and reliable sealing, with a dual sturdy and durable bellows sealing design (bellows+packing) to ensure zero leakage of the valve stem. No fluid loss, improving factory equipment safety. And comply with international sealing standards. The sealing surface is welded with Co based hard alloy, which is wear-resistant, corrosion-resistant, has good friction resistance, and has a long service life. The valve stem undergoes quenching and surface nitriding treatment, exhibiting excellent corrosion resistance and friction resistance; Valve stem lifting position indication, more intuitive.

Detail

Design features

● Dual-sealing design (bellows + packing). If the bellows is in good condition, the packing on the valve stem will also prevent leakage and comply with international sealing standards. 

● No fluid loss, reduced energy consumption, and enhanced safety of factory equipment; 

● Long service life, reducing the frequency of maintenance and lowering operating costs; 

● The robust and durable corrugated pipe sealing design ensures zero leakage of the valve stem and provides a maintenance-free condition. 

● The valve seat for the gas medium is made of PTFE soft sealing material, which enhances the sealing performance of the valve. 

● Resistant to high temperatures. When the temperature is ≤ 425°, the valve seat adopts a conical hard seal, achieving zero leakage in terms of gas tightness.

Technical parameter

● Drive mode: Manual / Turbine / Electric actuator / Pneumatic actuator 

● Design standard: GB12235, DIN3356 

● Structural length: GB12221, DIN3202 

● Connection flange: GB9113, JB/T79, HG20592, DIN2543-2545 

● Testing and inspection: JB/T9092, GB/T13927, DIN3230

Product Application Range

Petrochemical Industry
Petrochemical Industry
Biopharmaceutical Industry
Biopharmaceutical Industry
Environmental Protection Water Treatment Industry
Environmental Protection Water Treatment Industry
Liquefied Natural Gas Industry
Liquefied Natural Gas Industry
Papermaking/Printing Industry
Papermaking/Printing Industry
Oil And Gas Pipeline Transportation Industry
Oil And Gas Pipeline Transportation Industry
  These equipment is suitable for accurate control of gases, liquids, steam and other media, and process parameters such as pressure, flow, temperature, and liquid level are maintained at given values. It is especially suitable for working places where the allowable pressure difference is small and the allowable leakage is small.

Products and services that meet process control requirements

   Each process, each facility, and each environmental constraint has its own special requirements. As a result, BAHE offers a comprehensive range of products covering different performance levels, pressures, different functions and different materials.

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