API,JISAPI,JIS旋启式止回阀

APIAPI法兰球阀

J41H美标法兰截止阀J41H

J41H-150LB美标法兰截止阀J41H-150LB

J961Y美标电动截止阀J961Y

J61H美标焊接截止阀J61H

H44H美标法兰止回阀H44H

H44H美标旋启式止回阀H44H

H71H美标对夹升降式止回阀H71H

Z41H-150LB美标铸钢闸阀Z41H-150LB

Q41F美标球阀Q41F

对夹式止回阀对夹式止回阀1