KS B ISO 2503-2007 Gas welding equipment-Pressure regulators for gas cylinders used in welding cutting and allied processes up to 300 bar《气焊设备 用于压力在300bar(30MPa)以下的焊接、切割及相关工艺的调压器和配.pdf

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KS B ISO 2503-2007 Gas welding equipment-Pressure regulators for gas cylinders used in welding cutting and allied processes up to 300 bar《气焊设备 用于压力在300bar(30MPa)以下的焊接、切割及相关工艺的调压器和配.pdf_第1页
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KS B ISO 2503-2007 Gas welding equipment-Pressure regulators for gas cylinders used in welding cutting and allied processes up to 300 bar《气焊设备 用于压力在300bar(30MPa)以下的焊接、切割及相关工艺的调压器和配.pdf_第2页
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KS B ISO 2503-2007 Gas welding equipment-Pressure regulators for gas cylinders used in welding cutting and allied processes up to 300 bar《气焊设备 用于压力在300bar(30MPa)以下的焊接、切割及相关工艺的调压器和配.pdf_第3页
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KS B ISO 2503-2007 Gas welding equipment-Pressure regulators for gas cylinders used in welding cutting and allied processes up to 300 bar《气焊设备 用于压力在300bar(30MPa)以下的焊接、切割及相关工艺的调压器和配.pdf_第4页
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KS B ISO 2503-2007 Gas welding equipment-Pressure regulators for gas cylinders used in welding cutting and allied processes up to 300 bar《气焊设备 用于压力在300bar(30MPa)以下的焊接、切割及相关工艺的调压器和配.pdf_第5页
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1、 KS B ISO 2503KSKSKSKSSKSKSKS KSKSKS SKSKS KSKS SKS KS 30 MPa , KS B ISO 2503 : 2007(2012 ) 2007 6 29 http:/www.kats.go.krKS B ISO 2503: 2007 : ( ) ( ) ( ) ( ) ( ) ( ) : (http:/www.standard.go.kr) : :2002 10 31 :2007 6 29 :2012 12 31 : 20120859 : ( 02-509-7274) (http:/www.kats.go.kr). 10 5 , . KS B

2、ISO 2503: 2007 i 1998 2 ISO 2503, Gas welding equipment Pressure regulators for gas cylinders used in welding, cutting and allied processes up to 300 bar . KS B ISO 2503 : 2007 (2012 ) 30 MPa , Gas welding equipmentPressure regulators for gas cylinders used in welding, cutting and allied processes u

3、p to 300 bar 1 30 MPa(300 bar)1) , , (LPG), (propadiene) (MPS) (CO2) , 1 2 . 2 . . KS B ISO 3253: 2002, , KS B ISO 5171: 2005, , ISO 554: 1976, Standard atmospheres for conditioning and/or testing Specifications ISO/TR 7470: 1988, Valve outlets for gas cylinders List of provisions which are either s

4、tandardized or in use ISO 9090: 1989, Gas tightness of equipment for gas welding and allied processes ISO 9539: 1988, Materials for equipment used in gas welding, cutting and allied processes 3 . 3.1 4 1 1 , . 1) 300 bar 15 . KS B ISO 2503: 2007 2 1 12, 13, 14 . 2 27 , (6.2.4 ). 3 4a 4b , , . 1 KS B

5、 ISO 2503: 2007 3 1 1 pressure adjusting screw 2 spring plate 3 body 4a inlet stem 4b inlet nut 5 inlet filter 6 seating washer 7 high pressure gauge 8 pressure regulator valve cap 9 pressure regulator valve spring 10 spring center 11 pressure regulator valve 12 relief valve cap 13 relief valve spri

6、ng 14 relief valve seat 15 low pressure gauge 16 pressure regulator valve seat 17 pressure regulator valve pin 18 diaphragm plate 19 diaphragm 20 outlet connection piece 21 union nut 22 hose tail 23 diaphragm seal 24 pressure regulator spring 25 pressure regulator cover 26 pressure regulator spring

7、plate 27 outlet valve 5 5.1 2) , MPa(bar) . 5.2 3) (m3/h) ( 2 ). 2) 3) ISO 554 . KS B ISO 2503: 2007 4 2 , U LPG( : ) 1 0.950 1.02 0.851 3.81 2.695 1.05 0.800 0.808 0.983 0.930 1 0.837 3.75 2.65 1.03 0.784 0.792 U . U10 0: 1: 5.3 ( ) . 6 6.1 ISO 9539 . 6.2 , 6.2.1 , (11.5.3 ), . 6.2.2 0.15 MPa(1.5 b

8、ar) . 6.2.3 , . , 0.1 mm . 6.2.4 , . KS B ISO 2503: 2007 5 6.2.5 , . . 6.2.6 6.2.6.1 , LPG, MPS . QRV pRV 2p2 pRV0.3 MPa(3 bar) Q1( 3, 4 ) , . pRV 0.3 MPa(3 bar) . p2 , . 6.2.6.2 p3 , . 6.2.6.3 , 0.15 MPa(1.5 bar) , . 6.2.6.4 LPG MPS 6.2.6.2 . 6.2.7 KS B ISO 5171 . KS B ISO 5171 . 6.2.8 , ISO 9090 .

9、 , 0.2 mbar L/min(12 cm3/h) . 6.2.9 6.2.9.1 6 . KS B ISO 2503: 2007 6 6.2.9.2 2 , , 11.5.1.2 . 7 7.1 (ISO/TR 7470 ). p1 (15 ) . 7.2 KS B ISO 3253 , . a) , . b) . 8 3 . 3 p1 ( ) p2 ( ) p2R R (11.4.4 ) p2i i (11.4.5 ) p3 : p3 2 p2 0.1 MPa(1 bar) p4 ( ) p5 11.4.5 Q1 Qmax QRV R i 8.1 KS B ISO 2503: 2007

10、 7 8.1.1 ( ) p1 ( ) 8.1.2 ( ) p2 ( 4 ) ( ) , . 2 , p2R . 8.1.3 2 p42 p4 0.15 MPa(1.5 bar) . 8.2 8.2.1 Qmax (m3/h) , p3 . p3 2p2 0.1 MPa(1 bar) Qmax Q1 (11.4.1 ). 8.2.2 Q1 4 . 8.3 p2 Q1 , 4 . Qmax Q1 4 . 4 p2 Q1 . KS B ISO 2503: 2007 8 4 () p1bar(101MPa) () p2bar(101MPa) Q1m3/h 30 MPa(300 bar) 0 1 2

11、3 4 5 0 300a 2 4 6 10 12.5 20 1.5 5 15 30 40 50 1 2 25 0.8 1.5 1 5bMPS 0 1 25c 1.5 4 1 5 LPG 0 1 25d 1.5 4 1e5eCO2 0 1 200f 2 4 2e2ea15 b : 1 m3/h . c65 MPS . . d70 e LPG CO2 , . f0.667 70 CO2 8.4 8.4.1 R . R224ppp 2 p2 p2R( 3 ) p4 2 p3 Q1, p2R 1 . R Q1 0.3 . 8.4.2 i . KS B ISO 2503: 2007 9 i225ppp

12、2 p2 p2i( 3 ) p5 4 Q1 p1 p3 . 0.3 i 0.3 . a) b) 2 8.4.3 20 60 . 9 11.6 . a) b) / c) 8.3 p2, Q1d) p1( .) e) ( , 5 .) p4p2p2 p4p5p5p3p3p1 p1 0 0 KS B ISO 2503: 2007 10 5 A O H D LPG P MPS Y M , , N 10 , , . a) b) c) d) e) ( ) , 11 11.1 . a) b) . (11.5.3 ) (11.4 ) (11.5.1.1 ) . , . 11.2 . a) 3 ( 5 ) KS

13、 B ISO 2503: 2007 11 b) 1 c) 2 d) . 11.3 11.3.1 . 11.3.2 ISO 554 . 11.5.3 . 48 0.005 % . 11.3.3 ISO 554 , 3 % . 11.3.4 , . ( ) p1 p3 . 1 , . 11.4 11.4.1 Qmax 3 . , p3(8.2.1 ) . KS B ISO 2503: 2007 12 1 6 2 7 ( ) 3 8 4 9 5 3 Qmax 11.4.2 Qmax Qmax . 11.4.2.1 Qmax(2 ) , . ( ) p2 . 11.3.3 2 , Qmax . 11.

14、4.2.2 Qmax(2 ) , . 11.3.3 2 , Qmax . 8.2.1 Qmax . , . 11.4.3 Q1 Q1 . 1 mKS B ISO 2503: 2007 13 11.4.3.1 Q1(2 ) p3 p2, Q1 . 11.4.3.2 2 Q1 , p3 Q1 , p2R . 11.4.4 R (11.4.3 ) . . 1 p4 . R (8.4.1 ). 11.4.5 i i (8.4.2 ) , . ( ) p1 p3 . 4 . 1 5 2 6 ( ) 3 7 4 8 4 4) 2 . 2 , . ( ) 4) 1 mKS B ISO 2503: 2007

15、14 p1 , . 11.4.5.1 (2 ) p1 p2, Q1 . 11.4.5.2 2 , p1 Q1 p2i . 11.4.5.3 , . 15 . 30 , . 11.4.5.4 , 2 a) 2 b) . i p5 p1 p3 . i (8.4.2 ). 11.5 . 11.5.1 11.5.1.1 6.2.9.1 , , 5 . . 6 . 6 , 2 MPa(20 bar) p2, 0, 1, 2, 3, 4, 5 1.5p1 6 MPa(60 bar) 1 2 0 1 LPG MPS 3 MPa(30 bar) 0 1 CO2 30 MPa(300 bar)6 MPa(60

16、bar) 11.5.1.2 6.2.9.2 , , . p1 , KS B ISO 2503: 2007 15 . , . . 11.5.2 ISO 9090 . a) 5 p1 . ( .) . 0.2 mbar L/min(12 cm3/h) . b) , p2 . 5 p2 . P3 . 11.5.3 ( ) 3 ( 99.5 % , 0.001 %) . ( 5 ) , , 5 . : mm 1 6 2 7 3 ( , ) Pi ( ) 4 Po ( ) 5 Ti A 5 A (20 ) ms ( 5 ). 30 40 mm (Po, 5 ), . 1 000 mm 5 mm , . (603) 1.2p1 . 05KS B ISO 2503: 2007 16 30 20 ( 6 ). 6 10 , . , . 3 . ( ) 3 % , . a) b) .

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