J41H锻钢截止阀

锻钢法兰端截止阀（螺栓式阀盖）150LB～2500LB

锻钢自密封截止阀（压力自紧式阀盖）900LB～2500LB

J11Y-800lb锻钢截止阀

Z11Y锻钢闸阀

Z61Y自密封锻钢闸阀

Z41Y法兰锻钢闸阀

H61H、H61Y 型 800（Lb）承插焊锻钢止回阀

H11H锻钢升降止回阀

H41H法兰端止回阀