供应JJM1-64P压力表截止阀

HSF41S-16CHSF41S-16C活塞阀

DJ61WDJ61W低温焊接式截止阀

DJ61FDJ61F低温液体贮槽截止阀

J41Y型J41Y型不锈钢截止阀

J41WJ41W不锈钢截止阀

DJ41Y 型DJ41Y 型 PN16~PN40 低温截止阀

DJ41YDJ41Y 低温截止阀

DJ41Y-16DJ41Y-16低温截止阀

J41H上海铸钢截止阀J41H

油罐全铜底阀

JX49W,H液位计阀,考克- JX49W,H