The same force tends to reduce the seal on the pressure side with the result that bonnet cavity and the valve stem packing are nearly always subjected to maximum pipeline pressure.
而压力侧以相同的力削弱了密封，这样使阀盖腔室和阀杆填料几乎总是承受最大管道压力。
Carbon, Alloy or Stainless Steel, Pressure seal or Bolted Bonnet Provision for seal Welding on Bolted Bonnet Valves.
碳钢，合金钢或不锈钢，压力密封或螺栓阀帽用于焊接在螺栓阀帽阀门上阀座的设备。
Use back seal design, can replace top seal parts under pressure. Entirety of non-rising bonnet design, have compact structure.
采用倒关双密封设计，可带压更换上密封组件，整体阀盖暗杆设计，结构紧凑。
It has a high integrity metal to metal body bonnet seal suitable for high pressure use.
高精密度的金属阀体与阀盖密封以适合压的工作要求。
The pressure boundary is secured by a seal-welded body-bonnet joint and a live-loaded packing chamber.
压力界限通过密封-楔板，阀体-阀帽连接和动负载填料腔来保证。
The pressure boundary is secured by a seal-welded body-bonnet joint and a live-loaded packing chamber.
压力界限通过密封-楔板，阀体-阀帽连接和动负载填料腔来保证。
应用推荐