597( .. 2525 ) .. 2511 ( 1) .370-2524 15 .. 2511 .370-2524 514 (.. 2524) 14 .. 2524 1. .370-2524 .370-25252. (2) 4.1.1 (2) 1.6 12 3. 3 3 ( 5.4.1 5.4.2.1) (1) 1 2 20 317(2) 4. (3) 5.5.3 (3) 105. 10 25 2 .. 2525 99 96 15 2525 (1) (2) 1 402 255 28 2 t2 441 300 24 3 t3 490 340 20 3 t2 UDC621.431.37 THAI INDUSTRIAL STANDARD.3702524 LIQUEFIEDPETROLEUMGASCYLINDERFORINTERNALCOMBUSTION ENGINES 6 10400 0 2202 3300 98 81 29 2524.3702524 26 .. .. (2) AS B 239-1970 Welded steel cylinders for compressed gases of capacityover 10 litres(approx. 22 1b of water) up to and including 130 litres (ap prox. 2861b of water)AS1210-1972 SAA unfired pressure vessels code-Interpretations No 1 fuel vessels forLP gas internal combustion enginesAS1210-1977 SAA unfired pressure vessels codeBS 5045 : Part 2 : 1978 Transportable gas containers, Part 2 steel containers up to 130 litreswater capacity with welded seamsJIS G 3116-1977 Steel sheets, plates and strips for gas cylinders.27-2523 (3) 15 .. 2511(5) 514( .. 2524 ) .. 2511 15 .. 2511 .370-2524 14 .. 2524 1. 370-2524 1. 1.1 500 2.55 1.2(valves)(safetydevices) 2. 2.1 1.2.2 ( ASTM D 1835-76)2.3(liquefiedpetroleumgas) 2.3.1 (propane)2.3.2 (propene)2.3.3 (butane)2.3.4 (butene)2.4 (tare weight) (foot ring) (valve protection ring) ( ) (valve protection cap) 1 3 2.5(capacity) 1 3 . 370-252422.6 (service pressure) 2.7 (test pressure) 3. 3.1(open-hearthfurnace) (oxygen convertor) (electric furnace) 3.23(ladle analysis) 11 ( 3.2) 3.3 (checkanalysis) (product analysis) 1 21 2 3 0.20 0.20 0.20 0.60 1.20 1.50 0.30 0.35 0.30 0.05 0.04 0.04 0.05 0.04 0.04 ()-- 0.01 0.043. 370-25242 ( 3.3) 3.4 4. 4.1 (connectors) (1) (filler valve)(2) (service valve or discharge valve) (excess flowvalve)(3) (fixed liquid level gauge) (sight glass)(4) (content gauge)(5) (safety valve) (safety device) (6) (shut-off valve) 85 0.20 0.02 0.030.600.03 0.03 0.60 1.500.04 0.040.300.02 0.03 0.30 0.350.05 0.05 - 0.01 - 0.01 0.04 0.005 0.01(). 370-252444.1.1 (screw connector) (1) (basicprofile) . 27(2) 1.6 20 (3)(screwconnection)1 Fs= 1.25 tb 1.25 t S1= 1.5 3.5 S2= 0 3 g = 3 t L = 6 tb 1= 45 tb 6 2 50 = tb t < 6 1 ( 4.1.1(3))tb35. 370-25244.1.2 (stud connector) (1) ( ) .171(2) ds 1.5ds = 0.75 ds x ds (3) (stud connection) 2 . 370-25246 DO 165 g 3 L 6 t < 6 t 20 tb 38 1 50 2 60 2 () () () () 2 () () g 3 b = 0 3 S1= 1.5 2.5 g 3 S2= 0 3.0 r = 6 12 50 S1 S2 = 1.5 3.0 = 15 35 2 ( 4.1.2(3))t27. 370-25244.2 (boss) (pad) 0.25 3 4g(1) (1) g (acceleration) (deceleration)4.3 4.3.1 ( UL 125 )4.3.2 ( UL 132 )4.3.3 .2554.4 50 2 000 250 4.54.5.1 5.3. 370-252484.5.2 (longitudinal weld) 1 (double welded butt joints) (single weldedbutt joints) 3 4 5 (completepenetration) (undercut) 1 6 0.8 g = 0 3 t 5 3 (double-welded square buttjoint)( 4.5.2)f = 0 3 g = 0 3 t 20 = 60 70 4 V(double-welded single V buttjoint)( 4.5.2)9. 370-2524g 1/2tt 5 5 (single welded square buttjoint with backing bar)( 4.5.2)4.5.3 (circumferential weld) 2 (single-welded joggled butt joints) 6 1 (t) g = 1t 2 t 1 t t 15 = 0 30 6 ( 4.5.3)121212. 370-2524104.6 (heat treatment) 4.6.1 (normalizing) 890 930 3 0.01 840 880 4.6.2 (stress relieved) 625 4.7 4.7.1 4.7.2 (visualinspection)(radiographed) 5.2 10 15 4.7.3 (repair method) (pinhole) U 4.6 11. 370-25244.7.4 (weld test plates) 4.7.5 (re-examination) 8.1 8.2.4 8.2.54.7.6 5. 5.1 (design pressure) 2.55 5.2 8.1 5.2.1 (fusion) 5.2.2 (isolated porosity) (cavities) (slag inclusion) 1 3 (t)5.2.3 5.2.2 12 (t) 6(L) 7 8 . 370-252412 7 5 ( 5.2.3) 13. 370-2524 8 5 10 ( 5.2.3) . 370-2524145.35.3.1 (cylindrical shell thickness) 2 (1) 4 9t = t DO (1) ( 0.2)1.5(2) 2.35 (joint factor) (1) = 1.0 (2) 50 = 0.9 1 50 50 1 5 4 50 (1) (2) 2.55 Do2 + 2.5515. 370-25245.3.2 (dished end thickness) (hemispherical) (ellipsoidal) (h) 1 4 9 2 t = 9 ( 5.3.1 5.3.2 5.5.3)5.4 5.4.1 3 8.23 ( 5.4.1 5.4.2.1) (1) 20(2) 2.55 DO2f + 2.55 (1) (2) 1 402 255 28 1t2 440 300 24 1.5t3 490 340 20 1t. 370-2524165.4.2 5.4.2.1 8.2.4 3 95 35.4.2.2 8.2.5 1.5 3 5.5 5.5.1 8.4 8.3 (bulge) (distortion) 5.5.2 8.4 1 5 000 5.5.3 8.5 (1) (2) (nominalhoopstress) 95 3(3) 10 L DO 15 L > DO L ( ) DO 5.5.4 8.3 8.4 8.6 17. 370-25246. 6.1 (1) (2) (3) ( )(4) (5)(6) (7) (8) (.370)(9) 6.2 7. 7.1(lot) 7.2 7.2.1 7.2.1.1 ( ) 1.0 7.2.1.2 ( ) 0.9 1 50 50 1 5 4 8.1 5.2 2 7.2.2 1 200 200 . 370-2524184 8.2 3.3 5.4 3.2 4.6 7.2.3 7.2.3.1 1200200 8.3 5.5.17.2.3.2 12002008.45.5.2 7.2.3.3 1200200 8.6 5.5.4 15000 2 4.7 8.3 8.4 8.6 5.5.1 5.5.2 5.5.4 7.2.4 1508.5 5.5.32 (mass product) 19. 370-25247.3 7.2.1 7.2.2 7.2.3 7.2.4 8. 8.1 AS B 164 AS B 2308.2 8.2.1 7.2.2 101 2 3 ( )4 ( )5 ( )6 ( ) 10 ( 8.2.1)8.2.2 (tension test)8.2.2.1 4 ( ) ( BS 18 : Part 2 BS 4759)7.72 . 370-2524208.2.3 (bend test)8.2.3.1 11 ( ) ( ISO/R 85)8.2.4 (transverse tensile test)8.2.4.1 (1) 8.2.1 2 (2) 11 b 32 Lc W + 12 Lt 225 + Lc r 50 W 11 ( 8.2.4.1 (2))8.2.4.2 4 ( ) ( BS 18 Part 2 Part 3 BS 4759)8.2.5 (transverse bend test or bend test across the weld)8.2.5.1 (1) 8.2.1 2 (face bend test) 1 (rootbendtest)1 2 21. 370-2524 1 1 (2) 12 b 1.5 t 30 r 0.1 t t 12 ( 8.2.5.1(2))8.2.5.2 11 ( ) ( ISO/R 85) 13 D 2 t 13 t 2 3L 4.2 t 15.2 t 2 3t 13 ( 8.2.5.2). 370-2524228.3 (hydrostatic proof test)8.3.1 8.3.1.1 3.30 8.3.1.2 30 8.3.1.3 8.4 (hydrostatic stretch test)8.4.1 14 (1) (graduatedtube) 1 20 000 (2) (pressure gauge) 2 150 1 8.4.2 (1) (2) 3.30 (3) 30 (4) 14 ( 8.4.1)23. 370-25248.5 (bursting test)8.5.1 (1) (2) b = b Pb Di t' ( ) (3) 5.5.3(4) 5.5.38.6 (leakage test)8.6.1 8.3 8.4 690 9. 9.1 20 (1) (2) ( )(3) ( )(4) (5) (6) 1 3 (7) (8) Pb Di2t'. 370-25242410. 10.1 200 10.2 11. 11.1 . 151