KS B ISO 7291-2008 Gas welding equipment-Pressure regulators for manifold systems used in welding cutting and allied processes up to 300 bar《气焊设备 小于等于300bar的焊接、切削及相关工艺用多头管系用压力调节器》.pdf
《KS B ISO 7291-2008 Gas welding equipment-Pressure regulators for manifold systems used in welding cutting and allied processes up to 300 bar《气焊设备 小于等于300bar的焊接、切削及相关工艺用多头管系用压力调节器》.pdf》由会员分享,可在线阅读,更多相关《KS B ISO 7291-2008 Gas welding equipment-Pressure regulators for manifold systems used in welding cutting and allied processes up to 300 bar《气焊设备 小于等于300bar的焊接、切削及相关工艺用多头管系用压力调节器》.pdf(22页珍藏版)》请在麦多课文档分享上搜索。
1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS B ISO 7291 300 bar , KS B ISO 7291:2008 2008 9 8 http:/www.kats.go.krKS B ISO 7291:2008 : ( ) ( ) ( ) ( ) : (http:/www.standard.go.kr) : : 2003 12 6 : 2008 9 8 2008-0506 : : ( 02-509-7274) (http:/www.kats.go.kr). 10 5 , . KS B ISO 7291:2008 300 bar , Gas
2、welding equipment Pressure regulators for manifold systems used in welding, cutting and allied processes up to 300 bar 1999 2 ISO 7291, Gas welding equipment Pressure regulators for manifold systems used in welding, cutting and allied processes up to 300 bar , . 1 , . 300 bar(30 MPa) , , (MPS) (CO2)
3、 , . KS B ISO 2503 . 2 . . ( ) . KS B ISO 5171, ISO 554: 1976, Standard atmospheres for conditioning and/or testing Specifications ISO 9090: 1989, Gas tightness of equipment for welding and allied process ISO 9539: 1988, Materials for equipment used in welding, cutting and allied processes 3 . KS B
4、ISO 7291:2008 2 3.1 , 4 1 . . 1 5 2 6 3 7 4 1 5 5.1 1 . KS B ISO 7291:2008 3 1 i ap1 p2 bp2ii (9.4.5 ) p2RR (9.4.4 ) p3 : p3 2 p2 1 bar(0.1 MPa) p4 ( 1 ) p59.4.5 Q1 Qmax QRV R Tf U aKS B 4603 . bKS B 4603 . 5.2 5.2.1 1) bar(10 1 MPa) . 5.2.2 2) m3/h ( 2 ). 2 LPG, CO2 1 0.95 1.02 0.851 3.81 2.695 1.0
5、5 0.8 0.808 0.983 0.93 1 0.837 3.75 2.65 1.03 0.784 0.792 U . 10U 1) 2) ISO 554 . KS B ISO 7291:2008 4 0: 1: 5.2.3 () . 6 6.1 ISO 9539 . 6.2 , 6.2.1 , (9.5.3 ). , . 6.2.2 . A . . p2 . . 1.5 bar . 6.2.3 , . , 0.1 mm . 6.2.4 . , . . 6.2.5 KS B ISO 7291:2008 5 6.2.5.1 . , . 6.2.5.2 . , . . 6.2.5.3 p2 i
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- KSBISO72912008GASWELDINGEQUIPMENT PRESSUREREGULATORSFORMANIFOLDSYSTEMSUSEDINWELDINGCUTTINGANDALLIEDPROCESSESUPTO300BAR
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