?制造标准:DIN3356 结构长度:DIN3202
?法兰标准:DIN2543-2545 对焊口标准:DIN3239
?试验标准:DIN3230?
公称压力
(nominal pressure) 1.6Mpa 2.5Mpa 4.0Mpa
密封试验(seal test) 1.8MPa 2.8MPa 4.4MPa
壳体强度(shell) 2.4MPa 3.6MPa 6.0MPa
适用温度
(suitabletemprature) 300℃
特点(features):
?双层波纹管(double walls bellow seal) 维修方便(maintenance-free)
?波纹管密封阀杆(spindle with bellow seal) 双重密封(secondary sealing)
?位置指示(position indicator) 无升降手轮(non-rising handwheel)
用途(selection of possible applications):
?工业(industry) 电站(power station)
?废气净化厂(flue gas puerification plant) 天然气(gas supply)
?真空装置(vacuum facilities) 氨(ammonia)
?热水(hot water) 冷冻系统(cllling&freezing systme)
?加热设备(heating technology) 蒸汽系统(steam system)
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