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點(diǎn)擊次數(shù)：770 發(fā)布時(shí)間：2017/9/8

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BURKERT膜片閥0262系列技術(shù)參數(shù)：

Body material	Brass, stainless steel
Inner part valve	Stainless steel
Actuator	Epoxy resin
Seal material	NBR, FKM, PTFE/FKM, EPDM, PTFE/EPDM
Medium
NBR	neutral medium
	(e.g. compressed air, town gas, water, hydraulic oil)
FKM	per-solution, oxygen, hot air
EPDM	oil and fat-free medium
	e.g. hot water, alkaline washing and bleaching lyes
PTFE/EPDM	oil and fat-free medium, e.g. hot water and steam
(PFTE seal with EPDM O-Ring)
PTFE/FKM	hot oils, hydrocarbonated water, aromatics and steam
(PTFE seal with FKM O-Ring)
Viscosity	max. 100 mm2/s
Medium temperature
NBR	-10 up to + 90 ºC
FKM	-10 up to +100 ºC
EPDM	-10 up to +100 ºC
PTFE/EPDM	-10 up to +140 ºC
PTFE/FKM	-10 up to +140 ºC
Control medium	neutral gases and liquids, in particular air,
	water, hydraulic liquids up to max. +90 ºC
Pilot pressure	see diagram
Ambient temperature	-10 up to +90 ºC
Installation	As required, preferably with actuator upright
Flow rate	measured at +20°C, 1 bar pressure at valve inlet
Kv value water [m3/h]:	and free outlet
Pressure values [bar]	Measured as overpressure to the atmospheric pressure
Response times [ms]:	Measured at valve outlet at 6 bar and +20ºC.
Opening	Pressure relief 0 90%
Closing	Pressure drop 100 to 10%

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