H76止回阀止回阀

对夹式高压止回阀止回阀

对夹旋启式止回阀止回阀

HQ41X球形止回阀（无磨损球形止回阀）止回阀

H41H/W升降式止回阀止回阀

HH47X/HH48X/HH49X微阻缓闭蝶型消声止回阀止回阀

H42H/W立式止回阀止回阀

HH44X微阻缓闭止回阀止回阀

SH71H/W对夹升降式止回阀（全铜）止回阀

300X缓闭止回阀止回阀

150LB~600LB锻钢法兰端止回阀止回阀

900LB~1500LB升降式止回阀止回阀