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• Ball valves

  -3-way ball valve

  -Top mounted eccentric hemispherical valve

  -4-way ball valve

  -Floating flange ball valve

  -Fixed flange ball valve

  -Forged steel floating ball valve

  -Forged steel floating ball valve

  -Forged steel fixed ball valve

  -V-type ball valve

  -Rail ball valve

  -Side mounted eccentric hemispherical valve

  -Side mounted eccentric hemispherical valve

  -High performance all welded pipeline ball valve

  -American Standard floating ball valve

  -American standard fixed ball valve

  -American Standard forged steel floating ball valve

  -American Standard forged steel floating ball valve

  -Ball valve (dome valve)

  -Stainless steel sanitary ball valve

  -Stainless steel sanitary ball valve

• Gate valves

  -Flange gate valve

  -Flat gate valve

  -Flat gate valve

  -Insulated gate valve

  -American standard gate valve

  -American Standard forged steel gate valve

  -American Standard forged steel gate valve

  -Knife gate valve

  -Knife gate valve with cover

  -Knife gate valve with cover

  -Slurry valve

  -Slurry valve

  -SCZ gate valve

• Butterfly valves

  -Metal seal butterfly valve

  -Wafer type hard seal butterfly valve

  -Automatic regulating butterfly valve

  -Air duct butterfly valve

  -Heavy hammer hydraulic control slow closing check butterfly valve

  -Energy storage hydraulic control slow closing check butterfly valve

  -Three eccentric flange hard seal butterfly valve

  -Wafer lug butterfly valve

  -Stainless steel quick installation butterfly valve

  -Stainless steel threaded butterfly valve

  -Stainless steel threaded butterfly valve

  -Stainless steel three piece butterfly valve

  -Stainless steel welded butterfly valve

• Globe valves

  -Flange stop valve

  -Throttle vent stop valve

  -Insulation stop valve

  -Insulation stop valve

  -Oxygen stop valve

  -Oxygen stop valve

  -Oxygen stop valve

  -Oxygen stop valve

  -Bellows valve

  -Bellows valve

  -American Standard stop valve

  -American Standard stop valve

  -Forged steel stop valve

  -Lower discharge valve

  -Lower discharge valve

  -Y-type slurry valve

  -Flat bottom discharge valve

• Check valves

  -Swing check valve

  -Lift check valve

  -Wafer double disc swing check valve

  -Wafer lift check valve

  -American standard check valve

  -American standard check valve

  -Forged steel check valve

  -Forged steel welded check valve

  -Stainless steel welded check valve

  -Stainless steel quick fit check valve

• Regulating valves

  -ZZVP Self operated micro pressure regulating valve

  -ZZWP Self operated temperature regulating valve

  -ZZWPE Self operated electronic temperature control valve

  -HTS Pneumatic diaphragm regulating valve

  -ZMAX Pneumatic diaphragm high pressure angle regulating valve

  -ZJHM Pneumatic sleeve regulating valve

  -ZMAX Pneumatic diaphragm three-way regulating valve

  -ZSHV Pneumatic V-shaped regulating ball valve

  -ZJHP Pneumatic diaphragm regulating valve

  -CV3000 Pneumatic diaphragm regulating valve

  -T661Y Pneumatic feed water regulating valve

  -ZDSJ Electric high pressure angle regulating valve

  -ZDLQ、X Electronic electric three-way regulating valve

  -ZAZP Electric single seat regulating valve

  -ZDLP Electric control valve

  -ZDLM Electronic electric sleeve regulating valve

  -ZDLM Electronic electric sleeve regulating valve

  -ZDLN Electric two seat regulating valve

  -T961Y Electric multi-stage regulating valve

  -ZDLPF46 Electric fluorine plastic lined single seat regulating valve

  -ZJHPF46 Pneumatic film lined fluorine single seat regulating valve

  -ZSHO Start shut-off ball valve

  -ZSHW Pneumatic regulating butterfly valve

  -ZZYM Self operated sleeve pressure reducing valve

  -ZZYP Self operated pressure regulating valve

• Hydraulic valves

  -Gate valves

  -Butterfly valves

  -Ball valves

  -Check valves

  -Regulating valves

  -Pressure relief valves

  -Check valves

  -HVAC valves

  -Electric control valves

  -Fire valves

  -Chip valves

  -Other valves

• Driving devices

  -SAR partial slewing electric actuator

  -SAR partial slewing electric actuator

  -SA type multi turn electric actuator

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Bellows valve

Design standardDIN 3356-B2

Structure lengthDIN3202

Connecting flangeDIN 2543-2546

Test inspectionDIN 3230-75

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Product overview

The bellows stop valve is applicable to the pipelines under various working conditions such as power station, natural gas, steam, heating and refrigeration system to cut off or connect the pipeline medium.

Product features

The product has reasonable structure, reliable sealing, excellent performance and beautiful shape.

The sealing surface is made of Co based cemented carbide, with good wear resistance, rate resistance, pit friction performance and long service life. Valve rod quenching and tempering and surface nitriding treatment. It has good corrosion resistance and friction resistance. The opening and lowering position indication of valve sample is more intuitive. Part materials, flanges and alignment dimensions can be reasonably selected according to actual working conditions or user requirements to meet various engineering needs.