Product series
J41Y-64P不锈钢高压高温截止
J61W-40P国标不锈钢焊接截止
WJ65Y-25C铸钢Y型波纹管截止
J041H-64C锅炉快速启闭阀
J041Y-16P/R不锈钢快速启闭
J41F-150LBP美标四氟密封截
J41F-16P/R不锈钢四氟密封截
J41N-40C液化气法兰截止阀_
J41N-40P/R不锈钢燃气截止阀