pneumatic diaphragm control valve(air off)

Model：ZMBT
Category：Pneumatic Valve
origin：SHANGHAI

SHANGHAI AUTOMATION INSTRUMENTATION CO., LTD

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ZMBT pneumatic diaphragm control valve(air off)

ZMBT pneumatic diaphragm adjusting valve, made up of multi-spring pneumatic diaphragm actuator and diaphragm valve. Smooth flow, flexible valve, no filler in upper cover. Used in adjusting fields of high viscosity fluid, suspended like particles, fiber media and toxic media, corrosive media

Nominal diameter mm			15	20	25	40	50	65	80	100	150	200
Nominal pressure MPa			0.6 10
Travel mm			10		16	25		40			60
Flow characteristics			Approximately quick open
Media temperature ℃			-15～200(normal temperature )、-40～+250、-40～+450(medium temperature )、-100～+200(low temperature )
Flange type			Sealing surface of flange according to JB77, cast iron flange is smooth, cast steel flange is concave
Material of valve body	PN(MPa)	0.6,1.6	WCB(ZG230-450) CF3CF8 CF8M
		4.0,6.4	WCB(ZG230-450)、ZG1Cr18Ni9Ti、ZG0Cr18Ni12Mo2Ti CF8 CF8M
Adjustable ration R			30:1
Connector of air supply			M16×1.5