D943H型电动法兰式多层次硬密封蝶阀

D643H型气动法兰式弹性硬密封蝶阀

D671H型气动对夹式弹性硬密封蝶阀

D371H型蜗轮对夹式弹性硬密封蝶阀

D971H型电动对夹式弹性硬密封蝶阀

手柄对夹式软密封蝶阀D71X

D73H型对夹式硬密封蝶阀

高压锻钢法兰球阀Q41N-320P

J641H气动法兰截止阀

J41H法兰高压截止阀

J11T铸铁丝扣截止阀

J41Y锻钢高压截止阀