Failure is more common with the screw put on the Bellows Seal Valves threaded stem wear, so that the valve can not close.
比较常见的故障是阀杆与螺套上的丝扣磨损，陶瓷阀门使阀门无法关闭。
2
Hoses, air bags and bellows shall be dimensioned in order to withstand a bursting pressure equal to at least three times the maximum pressure permitted by the pressure relief valve.
软管，气囊和风箱的尺寸所能承受的压力应该至少是压力控制阀规定的最高爆破压力的三倍。
3
Stainless steel bellows globe valve is made of stainless steel 304, 316 as the corrugated pipe valve body material, corrosion proof performance, heat resistance, low temperature resistance.