D642X/J Ductile Iron Eccentric Worm Gear PTFE Seal Stainless Steel Stem Pneumatic Butterfly Valve

Group Butterfly valve
Min. Order 1 piece
Terms of Payment all
Update Time 2017-06-12
Item specifics
Nominal DiameterDN50-1200
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
Description

Summary

Our company's center line , eccentric soft seal butterfly valve, has wafer and flange two series. With compact structure, 90 ° open and close, reliable sealing, long service life. Products are widely used in food, medicine, chemicals, petroleum, electricity, textile, paper and other water supply and drainage pipes for regulating the flow and closing the medium. Its main features are:

1, novel design, reasonable, small operating torque, easy to operate. Applicable to install the handle, worm gear drive, pneumatic, hydraulic, electric control of various equipment.

2, can be installed in any location, easy maintenance.

3, the sealing performance and reliable zero leakage.


Parameters

Nominal Diameter

DN50-1200

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


Flow Chart



Dimension