德标止回阀
产品简介
德标止回阀
产品详细信息
bb os & y型结构
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
bb os & y structure
manufacture:din3356 face to face:din3202
flange:din2543-2545 butt-welding:din3239
test: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(se-lection 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
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
bb os & y structure
manufacture:din3356 face to face:din3202
flange:din2543-2545 butt-welding:din3239
test: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(se-lection 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