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pneumatic multi-level metal hard sealing butterfly valve

Model：DT673H
Category：Pneumatic Valve
origin：SHANGHAI

SHANGHAI AUTOMATION INSTRUMENTATION CO., LTD

DT673H pneumatic multi-level metal hard sealing butterfly valve

Multi-level metal hard sealing butterfly valve, long using life, energy-saving butterfly valve. Designed according to three-dimensional eccentric, valve seat use hard soft sealing multi-level structure, excellent processing, advanced process. This valve mainly made up of valve body, valve plate, multi-level valve seat, valve seat, transmission body. So widely used in metallurgy, power, petroleum, chemical, air, gas, fire gas and corrosive media of pipes

Main features

1、 small open torque, flexible and convenient, energy-saving and effort

2、 three-dimensional eccentric, reliable sealing, no leakage

3、 high temperature resistance, corrosion resistance, wear resistance, long using life

Nominal diameter	DN（mm）	50～2000				50～500
Nominal pressure	PN（MPa）	0.6	1.0	1.6	2.5	4.0
Test pressure	Strength test	0.9	1.5	2.4	3.75	6.0
	Sealing test	0.66	1.1	1.76	2.75	4.4
	Gas sealing test	0.6	0.6	0.6	0.6	0.6
Leakage rate	＜0.1×DNmm3/s（according to GB/T13927-92 standard ）
Suitable temperature	Carbon steel :-29℃～425℃ stainless steel -40℃～600℃
Suitable media	Air 、water、steam、gas、oil and acid, alkali, salt, weak corrosive medium
Drive mode	Worm transmission 、gas transmission、electric transmission