H44H-150Lb,H44H-300Lb,H44H-400Lb,H44H-600Lb美标止回阀

H42W-16,H42W-25,H42W-40,H42H-16立式止回阀

H41H-16,H41H-25,H41H-40,H41H-64 止回阀

DRVZ-10,DRVZ-16,DRVZ-25Q,H42X-10*式止回阀

H14W-16P-DN15,H14W-16P-DN20,H14W-16P-DN25内螺纹连接止回阀

H44X-10,H44X-16,SFCV-16,SFCV-10橡胶瓣止回阀

HH44X,HH44X-10,HH44X-16,HH44X-25微阻缓闭止回阀

HQ41X-10,HQ41X-16,HQ44X-10,HQ44X-16球形止回阀

HDH46X-10,HDH46X-16,HDH46H-10,HDH46H-16 蝶式缓冲止回阀

H76X-10,H76X-16,H76X-25蝶式止回阀

H71H-16,H71H-25,H71H-40,H71Y-16 对夹式止回阀

H44H-16,H44H-25,H44H-40,H44H-64 旋启式止回阀