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1·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.

进口不锈钢波纹管截止阀是采用不锈钢304、316作为阀体材质的波纹管截止阀，具有耐腐蚀、耐热、抗低温的性能。

4·The chief products include: Bellows seal globe valve, Free-float steam trap, Pilot pressure reducing valve, Pneumatic control valve, Self-acting temperature-sensing valve, Cyclone separator etc.

目前工厂生产的主导产品有：波纹管密封截止阀、自由浮球疏水阀、先导式减压阀、气动调节阀、自作用式温控阀、汽水分离器等。

5·The invention relates to a hydraulic drive gate valve for welding type high-temperature resistant bellows, in particular to a hydraulic drive gate valve.

一种液压传动的焊接式耐高温波纹管闸阀，涉及一种液压传动的闸阀。

6·The invention relates to a pneumatic gate valve for welding type high-temperature resistant bellows, in particular to a pneumatic gate valve.

一种气动的焊接式耐高温波纹管闸阀，涉及一种气动的闸阀。

7·The heat-resisting bellows diaphragm valve has the advantages of wide applicable temperature range, high fatigue resistance and long service life.

本发明具有适用温度范围广，耐疲劳强度高，使用寿命长。