![lens ring joints' highest pressure used is 3000atm,they have been used on pipe flanges in synthesizing line of ammonia and methand at high pressure and high temperature,in high pressure polymerizing line of lens ring joints' highest pressure used is 3000atm,they have been used on pipe flanges in synthesizing line of ammonia and methand at high pressure and high temperature,in high pressure polymerizing line of](http://www.dianpian.cn/English/IMAGE/GASKET/ZD-G1840.jpg)
lens ring joints' highest pressure used is 3000atm,they have been used on pipe flanges in synthesizing line of ammonia and methand at high pressure and high temperature,in high pressure polymerizing line of
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M40 M52 Flange Ring, change the mouth ring, after Luo mouth for 40mm x 1MM Lens Turn M42 screw 40 52mm lens adapter ring|Lens Adapter| - AliExpress
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