弹簧式安全阀 Direct spring loaded safety valve ; spring safety valve ; spring-loaded safety valve

先导式安全阀 Pilot operated safety valve ; pilot actuated safety valve ; impulse safety valve ; POSV

全启式安全阀 Fall lift safety valve ; full lift safety valve ; FOSV

微启式安全阀 Low lift safety valve

波纹管平衡式安全阀 Bellows seal balance safety valve

双联弹簧式安全阀 Duplex safety valve

胸式安全带 Chest harness

复式安全泄气阀 twin type safety valve

主动式安全头枕 SAHR ; ProTec PLuS

呼吸式安全阀 breathing type safety valve ; breathellong type safety valve