At installation, insufficient compression of the sealing pad behind the carbon ring seal of the expander results in oil entrance to expander body and to the corresponding pipeline.
由于膨胀机碳环密封后面的密封垫片在安装时未被充分压紧，使膨胀机机体及相应管道进油。
More comfortable for seal with rubber grip PAD.
更舒适的橡胶密封手握垫。
Zhejiang ninghai zeyi stationery co. , ltd specializes in producing stationery of seal and ink pad and manufacturing and selling hardware and electric appliance.
浙江省宁海县泽义文具有限公司是专业从事印章，印台等文教用品，五金件电器的生产销售的外向型企业。
So the means cannot control leak the material, then possibly is the graphite pad or the copper collar wears (for example seal face not to be smooth seriously, gap big).
如此办法不能控制漏料，则可能是石墨垫或铜环磨损较严重(如密封端面不光滑，间隙大)。
Photosensitive seal machine without stamp-pad stamp-pad may repeatedly note oil;
光敏印章机无需印台，可反复注油；
Photosensitive seal machine without stamp-pad stamp-pad may repeatedly note oil;
光敏印章机无需印台，可反复注油；
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