Q347F固定球阀

H44H美标止回阀

Y型过滤器

Z41H-150Lb,300Lb,600Lb美标闸阀

DJ541W-150Lb,300Lb,600LbP低温截止阀

DZ540W-150Lb,300Lb,600LbP美标低温闸阀

H48H空排止回阀

H41H国标升降式止回阀

D343H,D942H偏心蝶阀

D71J中线密封蝶阀

H44H国标旋启式止回阀

J41H,J941H,J541H国标截止阀