ODE防爆电磁阀产品说明21W4KB250
防爆电磁阀是把设备可能点燃性气体混合物的部件全部封闭在一个外壳内，
其外壳能够承受通过外壳任何接合面或结构间隙，
渗透到外壳内部的可燃性混合物在内部而不损坏，
并且不会引起外部由一种、多种气体或蒸气形成的性环境的点燃，
把可能产生火花、电弧和危险温度的零部件均放入隔爆外壳内，
Orifice: This is a holed component which is opened or closed by the shutter, permitting or preventing
the passage of fluid. It may be either machine-tooled or inserted. The main orifice of
防爆电磁阀均为长期工作制，即线圈允许长期通电工作。
对于长时间阀门开通只有短时关闭的情况，则宜选用常开电磁阀。
用在短时工作制而批量又很大时，可作特殊订货以降低功耗。

ODE防爆电磁阀产品说明21W4KB250
防爆电磁阀工作频率：动作频率要求高时，结构应直动式电磁阀，电源应交流。
作用
防爆电磁阀其线圈外壳不但具有承受气体压力的隔爆作用，
而且对气体能量传递具有阻滞作用，安全更高。
是特别设计适用于传输易燃易爆介质或于性危险场所的特殊电磁阀系列产品，
不同的环境和流体应选择不同防爆等的电磁阀。
a solenoid valve is the one permitting maximum flow of the valve itself while the pilot orifice,
when opened or closed due to an unbalance of pressure, leads to opening or closure of the
main one by means of a diaphragm or a piston.
Diaphragm: an element of mixed action or solenoid valves with pilot control which opens or
closes the main orifice due to the effect of different pressures on its surfaces.
Complete diaphragm: this is the
 

ODE防爆电磁阀产品说明21W4KB250