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DS941 Cast Iron Electric PTFE seat flanged telescopic butterfly valve

DS941 Cast Iron Electric PTFE seat flanged telescopic butterfly valve

DS941 Cast Iron Electric PTFE seat flanged telescopic butterfly valve
CategoriesButterfly valve
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BrandGARLOS
ModelDS941
Nominal DiameterDN50-200
Nominal Pressure0.6-2.5MPa
Design StandardJB/T5299-1998
Structure LengthGB/T12221-2005
Pressure TestGB/T13927-1992, JB/T9092-1999
Suitable MediumAir, water, sewage, steam, gas, oil and so on
Update Time2018-10-19
Detail Information

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

Nitrile rubber 

buna

Ethylene propylene rubber

Polytetrafluoroethylene

Silicone rubber

Fluorous rubber

Natural 

rubber

Nylon

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



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