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On-off Type Wafer Wafer Centre Line Pneumatic Butterfly Valve

On-off Type Wafer Wafer Centre Line Pneumatic Butterfly Valve

Concentric Rubber Wafer Butterfly Valve Feature ·Compact structure, reliable sealing performance, long service life ·Widely used in fluid pipeline control system if water plant, power plant, steel mill, paper mill, chemical plant and buildings, acting as regulator of medium in the pipeline....

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Concentric Rubber Wafer Butterfly Valve 

Concentric Rubber Wafer Butterfly Valve Feature ·Compact structure, reliable sealing performance, long service life ·Widely used in fluid pipeline control system if water plant, power plant, steel mill, paper mill, chemical plant and buildings, acting as regulator of medium in the pipeline....


Feature

·Compact structure, reliable sealing performance, long service life

·Widely used in fluid pipeline control system if water plant, power plant, steel mill, paper mill, chemical plant and buildings, acting as regulator of medium in the pipeline.

·Equipped with BGT series part-turn pneumatic actuator, which could control small-diameter wafer central-line butterfly valve.

·The pneumatic actuator is equipped with solenoid valve, which could control the open and close of valves.


Performance

Valve body material:cast iron、cast steel、stainless steel

Seal-ring material:EPDM  -40~+125℃

                   NBR -20~+82℃

                   SI  -70~+150℃

                   VITON -23~+150℃

                   PTFE +10~+150℃

Medium:fresh water, sewage, sea water, air, steam, food, drugs, all kinds of oil, acid, alkali, salt and so on.


Main Parameters of Actuator

1、Medium:Clean, dry and no-corrosive compressed air

2、Working gas pressure:0.4~0.7MPa

3、Working condition temperature:Standard type:-20℃~+80℃

                                 High temperature type:-20℃~+180℃

4、Rotary angle:90°±3°

5、Supply voltage of the equipped solenoid valve is available to:24VDC、24VAC 50Hz、110VAC 50Hz、220VAC 50Hz


Body materials :carbon steel, stainless steel,  Alloy Steel, Duplex Steel.
special material (duplex, inconel)

Body Material: WCB, CF8, CF8M, CF3, CF3M, CAST IRON ,A105 ,904L ,etc.

Valve seat materials :inconel, others on request

Seal materials graphite / stainless steel, inconel, stainless steel, PTFE
Size range(s):NPS 2 - 48 (DN50 - 1200)

Pressure rating:ASME Classes 150 - 600

Disc Sealing: PTFE, Graphite Laminated
Operation: Pneumatic

Standards: ASTM, ANSI, AWWA, JIS, BS, GOST, DIN etc.

 

Applicable Standard
 Design Standard:     API 609, MSS SP-67, MSS SP-68, BS 5155
 Face to Face:   API 609, ASME B16.10, BS 5155, EN1092
 End Connection:     ASME B16.5, ASME B16.47
 Inspection and Test: API 598/API6D/EN12266-1


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