D341X/J Ductile Iron Flange Type Worm Gear Rubber Seal Center Line Butterfly Valve

Model: D341X/J

Item specifics

Nominal Diameter: DN50-1200

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

Review

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℃