Z542W-1伞齿轮煤气闸阀

Z541T-10伞齿轮铸铁闸阀

Z41T铸铁明杆楔式闸阀

Z545T-10伞齿轮暗杆闸阀

Z45T铸铁法兰暗杆闸阀

Z42W-1煤气闸阀

H41T升降式止回阀

H44T-10铸铁止回阀

Q47H硬密封固定球阀

Q41F浮动式球阀

Q647H卸灰球阀

Q44F三通球阀