GFYP4Y型料浆阀

JL47H/Y平衡角式截止/节流阀

J41H/Y25C/40C 截止阀

J41H/Y150/300LB 截止阀

J941H/Y/600LB气动截止阀

J41H/Y64C/100C气动截止阀

气动截止阀

WJ41W国标波纹管截止阀

YJ43H/Y锻钢Y型截止阀

J41W/Y不锈钢法兰截止阀

J/L11W手动截止阀

J44H/Y角式截止阀/节流阀