MATERIAL AND SERVICE ? Pressure Seal valves are available in a variety of body/bonnet materials and trims. Specified materials should be compatible with the service.

• 材料和应用?压力密封阀门具有宽广范围的阀体/阀帽材料和阀内件供用户选择。特殊的材料应该与应用场合相兼容。