J61Y 電站高溫高壓截止閥

J45H 直流式Y型截止閥

J41H 美標截止閥

J741H 液動截止閥

J641H 氣動截止閥

J61H 焊接截止閥

J61H 承插焊截止閥

J61H 北京式焊接截止閥

J44H 角式截止閥

J41Y 高溫合金鋼截止閥

J41W 不銹鋼截止閥

J41H 鍛鋼截止閥