The assembly shall consist of a corrosion resistant plastic bodied relief valve located in a zone between two positive seating check modules with captured springs and silicone discs.

• 这种总成应该包括一个耐腐蚀塑料阀体安全阀，位于两个配置复位弹簧和硅酮阀瓣的正面密封止回阀模块之间的区域。