DS641 Pneumatic motor gearbox drive telescopic flange butterfly valve
group nameButterfly valve
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Min Order1 piece
brand nameGARLOS
modelDS641
payment method
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update timeMon, 12 Jun 2017 14:14:16 GMT
Paramtents
Nominal Diameter DN50-200
Nominal Pressure 0.6-2.5MPa
Design Standard JB/T5299-1998
Structure Length GB/T12221-2005
Pressure Test GB/T13927-1992, JB/T9092-1999
Suitable Medium Air, water, sewage, steam, gas, oil and so on
Packging & Delivery
Min Order1 piece
Briefing
Detailed
Summary
Telescopic butterfly valve has the function of automatic compensation for thermal expansion and contraction of the pipe, it is easy to disassemble and install. It is suitable for food, medicine, chemicals, petroleum, electricity, textile, paper and other water supply and drainage, gas pipeline with temperature ≤ 80℃, nominal pressure ≤ 2.5MPa, to adjust or cut off medium.
The valve can be equipped with a variety of actuators, such as manual actuator, worm gear, pneumatic actuator, electric actuator.
Parameters
Nominal Diameter | DN50-2000 |
Nominal Pressure | PN0.6MPa-2.5MPa |
Design Standard | JB/T5299-1998 |
Structure Length | GB/T12221-2005 |
Pressure Test Standard | GB/T13927-1992, GB/T9092-1999 |
Suitable Medium | Air, water, sewage, steam, gas, oil and so on |
Material
Name | Material |
Body | Gray cast iron, ductile iron, cast steel, alloy steel, stainless steel |
Disc | Ductile iron, cast steel, stainless steel, and other special material |
Seal Ring | Rubber, PTFE |
Stem | 45# steel, 2Cr13, stainless steel |
Packing | Flexible graphite, graphite asbestos cord |
Sealing Material
Material | Neoprene | Polytetrafluoroethylene | Fluorous rubber | |||||
Short Name | CF | NBR | EPDM | PTFE | SI | VITON | NR | PA |
Max Temperature | 80℃ | 93℃ | 150℃ | 232℃ | 250℃ | 204℃ | 85℃ | 93℃ |
Minimum Temperature | -40℃ | -40℃ | -40℃ | -268℃ | -70℃ | -23℃ | -20℃ | -73℃ |
Working Temperature | 0~80℃ | -20~82℃ | -40~125℃ | -30~150℃ | -70~150℃ | -23~150℃ | -20~85℃ | -30~93℃ |
Dimension
