D371XLT型蝶阀
XD371X消防信号蝶阀
D71X铝合金无销手柄蝶阀
D371X烟气脱硫蝶阀
J41H/Y国标截止阀
J41W不锈钢截止阀
J41Y自密封截止阀
J44H/Y角式截止阀
DJ41Y低温截止阀
BJ45W保温截止阀
J41B暗杆氨用截止阀
LWJ41F氯气专用截止阀
YJ41W氧气专用截止阀
J41N液化气截止阀
QDQ421F-25/40气动紧急切断阀
J44N-40角式液化气截止阀
J41N-40液化气截止阀
J641H气动截止阀
J941H电动截止阀
H44H旋启式止回阀
上海百钢阀门集团有限公司 • 百炼成钢
Shanghai Baigang Valve Group Co., Ltd • Be toughened and hardened into steel
