柱塞截止阀UJ41H-16C,UJ41W-16C,UJ41W-16P,UJ41W-16R,UJ41H-25C,UJ41W-25C|产品总汇|无锡市昌林自动化科技有限公司手机版

柱塞截止阀UJ41H-16C,UJ41W-16C,UJ41W-16P,UJ41W-16R,UJ41H-25C,UJ41W-25C
时应防止柱塞和新装密封环表面裂痕和碰伤。