Bolt-nut gasket (HG/T20610 d350-25 1525) bolt length: normal
Promulgator
：liyu Time：2018-09-04
Bolt-nut gasket (HG/T20610 d350-25 1525) bolt length: normal length +8 word blind plate thickness
PN25 DN200 WNRF 20G hg20592-2009 each piece is provided with bolt and nut gasket (HG/T20610 d200-25 1525) bolt length: normal length +8 word blind plate thickness
Bolt-nut gasket per piece PN25 DN50 WNRF 2205 hg20592-2009 (HG/T20610 d50-25 1525)
Each piece is provided with bolt and nut gasket (HG/T20610 d50-25 1525) of normal length +8 word blind plate thickness
