304法兰球阀Q41F-16P重型(机械部)
316意大利薄型球阀Q71F-16R
铸钢法兰球阀Q41F-16C中型
铸钢法兰球阀Q41F-16C重型
304法兰闸阀Z41W-16P
304法兰球阀Q41F-16P中型(机械部)
304内螺纹S型截止阀J11W-16P
304内螺纹B型截止阀J11W-16P
304升降式止回阀H41W-16P
316法兰球阀Q41F-16R(化工部)
316法兰球阀Q41F-16R中型(机械部)
316法兰球阀Q41F-16R重型(机械部)
304法兰球阀Q41F-16P(化工部)
316法兰闸阀Z41W-16R
304法兰截止阀J41W-16P
316法兰截止阀J41W-16R
304升降式对夹止回阀H71W-16P
304旋启式止回阀H44W-16P
316旋启式止回阀H44W-16R
304立式止回阀H42W-16P