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升降式止回閥H41H-64 法蘭(RF/FM)

鍛壓升降式止回閥 flange forged lift check valve H41H-100 法蘭(RF/FM)

對(duì)夾蝶式止回閥 wafer butterfly check valve H77X-16

對(duì)夾旋啟式雙瓣止回閥 wafer swing double-disc check valve H76H/H76X-16

對(duì)夾單瓣旋啟式止回閥 wafer single-disc swing check valve H74H-16

對(duì)夾升降式止回閥 wafer lift check valve H71H-40

黃銅內(nèi)螺紋止回閥 brass FNPT swing check valve H14W-16T