注脂维护保养
在焊接前投产前以及投产后的阀门专业养护工作,为阀门服务于生产运营中起着至关重要的作用,正确和有序有效的维护保养会保护阀门,使阀门正常发挥功能并且延长阀门使用寿命。阀门养护工作看似简单,其实不然。工作中常有被忽视的方面。
一、阀门注脂时,常常忽视注脂量的问题。注脂枪加油后,操作人员选择阀门和注脂联结方式后,进行注脂作业。存在着二种情况:一方面注脂量少注脂不足,密封面因缺少润滑剂而加快磨损。另一方面注脂过量,造成浪费。在于没有根据阀门类型类别,对不同的阀门密封容量进行精确的计算。可以以阀门尺寸和类别算出密封容量,再合理的注入适量的润滑脂。
第二、阀门注脂时,常忽略压力问题。在注脂操作时,注脂压力有规律地呈峰谷变化。压力过低,密封漏或失效,压力过高,注脂口堵塞、密封内脂类硬化或密封圈与阀球、阀板抱死。通常注脂压力过低时,注入的润滑脂多流入阀腔底部,一般发生在小型闸阀。而注脂压力过高,一方面检查注脂嘴,如是脂孔阻塞判明情况进行更换;另一方面是脂类硬化,要使用清洗液,反复软化失效的密封脂,并注入新的润滑脂置换。此外,密封型号和密封材质,也影响注脂压力,不同的密封形式有不同的注脂压力,一般情况硬密封注脂压力要高于软密封。
HOYEA电磁阀 华液电磁阀
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HOYEA电磁阀 华液电磁阀
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HOYEA电磁阀 华液电磁阀
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FW-03-2B12B-A110-50 FW-03-2B2BL-A110-50 FW-03-2B3BL-A110-50 FW-03-2B2L-A110-50
台湾北部精机电控溢流阀 台湾北部精机溢流阀 台湾北部精机苏州办事处
台湾northman溢流阀 台湾northman电磁阀 台湾northman代理
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台湾北部精机电控溢流阀 台湾北部精机溢流阀 台湾北部精机苏州办事处
台湾northman溢流阀 台湾northman电磁阀 台湾northman代理
MSRF-03P-1PN-K-1-DC24-10 MSRF-03P-1PN-K-1-DC12-10
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台湾NORTHMAN叠加式节流阀 台湾NORTHMAN节流阀
台湾北部精机节流阀 台湾北部精机电磁阀--台湾NORTHMAN办事处
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台湾NORTHMAN叠加式节流阀 台湾NORTHMAN节流阀
台湾北部精机节流阀 台湾北部精机电磁阀--台湾NORTHMAN办事处
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