burkert 0263氣動帶隔膜兩通常開或常閉閥The externally controlled valve is pneumatically operated. It consists of a diaphragm actuator and a 2-way valve body. burkert 0263氣動帶隔膜兩通常開或常閉閥 Between the valve housing and the drive, there is a hermetically sealed membrane. The diaphragm actuator moves a spindle with valve disc against a spring and switches the valve. burkert 0263氣動帶隔膜兩通常開或常閉閥 The spindle is designed glandless with double seal. The actuator body is made out of epoxy resin.
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burkert 0263氣動帶隔膜兩通常開或常閉閥特點(diǎn)：
burkert 0263氣動帶隔膜兩通常開或常閉閥參數(shù)：
Body material Brass, stainless steel
Inner part valve Stainless steel
burkert 0263 Actuator Epoxy resin
Seal material NBR, FKM, EPDM,
burkert 0263 Medium
NBR
FKM
EPDM
neutral medium
(e.g. compressed air, town gas, water, hydraulic oil)
burkert 0263氣動帶隔膜兩通常開或常閉閥
per-solution, oxygen, hot air
burkert 0263 oil and fat-free medium
e.g. hot water, alkaline washing and bleaching lyes
Viscosity max. 100 mm2/s
burkert 0263 Medium temperature
NBR
FKM
EPDM
-10 up to +90 ºC
-10 up to +100 ºC
-10 up to +100 ºC
burkert 0263氣動帶隔膜兩通常開或常閉閥
Control medium neutral gases and liquids, in particular air,
burkert 0263 water, hydraulic liquids up to max. +90 ºC
Pilot pressure see diagram
burkert 0263 Ambient temperature -10 up to +90 ºC
Installation As required, preferably with actuator upright
burkert 0263 Flow rate
Kv value water [m3/h]:
burkert 0263 measured at +20°C, 1 bar pressure at valve inlet
and free outlet
Pressure values [bar] Measured as overpressure to the atmospheric pressure
burkert 0263氣動帶隔膜兩通常開或常閉閥
burkert 0263氣動帶隔膜兩通常開或常閉閥