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1、J I S B*a2bL 80 M 4933b08 002L50L 8 9 / UDC 621.643.33 : 662.767.078 e e 0 4 JIS JAPANESE INDUSTRIAL STANDARD Hose Assemblies for Liquefied Petroleum Gas JIS B 8261-1980 Translated and Published by Japanese Standards Association Printed in Japan 17 S Copyright Japanese Standards Association Provided
2、 by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/13/2007 21:45:26 MDTNo reproduction or networking permitted without license from IHS -,-,- J I S BX8261 80 4933608 0023502 T In the event of any doubt arising, the original Standard in Japanese is t
3、o be final authority. Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/13/2007 21:45:26 MDTNo reproduction or networking permitted without license from IHS -,-,- I J I S B*B263 B O I 4733608 0023503
4、 3 I a 1. Scope UDC 621.643.33:662.767.078 JAPANESE INDUSTRIAL STANDARD J I S Hose Assemblies for B 8261-1980 Liquefied Petroleum Gas (Reaffirmed : 1985) This Japanese Industrial Standard specifies the rubber hose assemblies used for liquefied petroleum gas, hereinafter referred to as the IILP gas!,
5、 hereinafter referred to as the “hose assembliestr. Remark: The units and numerical values given in 3 in this stand- ard are in accordance with the International System of Units (SI) , and are appended for informative reference. 2. Classification and Symbols 2.1 Classification and Nominal Symbols of
6、 Hose Assemblies Hose assem- blies shall be classified, with nominal symbols, as shown in Table 1 accord- ing to their maximum working pressure, working temperature range, kind of LP gas rubber hose, hereinafter referred to as the llhoseTT, used, coupling used, and accessory metal fitting used. The
7、hoses used shall be as specified in JIS K 6347. Applicable Standards: JIS B 0203-Taper Pipe Threads JIS B 0207-Metric Fine Screw Threads JIS B 0211-Limits of Sizes and Tolerances for Metric Fine Screw JIS B 2203-Tolerances for Pipe Flanges JIS B 2224-20 kgf/cm2 Slip-on Welding Steel Pipe Flanges JIS
8、 B 2401-0 Rings JIS B 8246-Valves for High Pressure Gas Cylinder Threads JIS G 3101-Rolled Steel for General Structure JIS G 3141-Cold Rolled Carbon Steel Sheets and Strip JIS G 3454-Carbon Steel Pipes for Pressure Service JIS G 4804-Free Cutting Carbon Steels JIS H 3250-Copper and Copper Alloy-Rods
9、 and Bars JIS H 5301-Zinc Alloy Die Castings JIS H 5302-Aluminium Alloy Die Castings JIS H 8610-Electroplated Coatings of Zinc on Iron and Steel JIS K 6301-Physical Testing Methods for Vulcanized Rubber JIS K 6347-Liquefied Petroleum Gas Hoses Copyright Japanese Standards Association Provided by IHS
10、 under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/13/2007 21:45:26 MDTNo reproduction or networking permitted without license from IHS -,-,- J I S B*8263 80 = 4933608 0023504 3 2 B 8261-1980 n U “ Wn nd M U I h t5 h nnH 0 “ s H z n “ O R FI n E - H h B I
11、.A d X X 4 Pl al L I O 4 i- O CI Ln N I O W 4 . O CI O m I O Q + O U 3 v 9 N N Y 4 k 4 X Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/13/2007 21:45:26 MDTNo reproduction or networking permitted
12、without license from IHS -,-,- J I S B*82b1 80 4933608 0021505 5 Appended figure No. Shape of coupling 3 B 8261-1980 2.2 Coupling Couplings shall be classified into the eight types shown in Table 2 according to their shape. Remark Symbol of coupling Table 2. Classification of Couplings O ring seal (
13、with spheri- cal groove) Using O ring in spherical groove 01 of coupling seat surface 1 Spanner-tightened charging mouth external thread coup ling O ring seal (with square groove) Using O ring in square groove o2 of coupling seat surface 2 I I I Metal seal Handle-tightened charging mouth external th
14、read coupling Metric external thread coupling PT external thread coupling Metric internal thread union coupling e 3 D Coupling seal consisting of metal Using square ring on coupling seat surface 4 G 5 M Using metric external thread 6 T Using taper pipe external thread 7 E N Using packing on seat sur
15、face Flange coupling 8 F With flange Shape of accessory metal fitting Charging mouth internal- thread adaptor Adaptor Symbol of Appended accessory figure No. metal fitting 9 K Connec- tion fitting Charging mouth internal-thread three-way adaptor Male to male adaptor For one side For both sides a 10
16、Y. 11 J 1 2 C1 13 c2 Remark One side: charging mouth internal thread (W 22.5, 14 threads, left-hand); other side: F T 114 internal thread One side: charging mouth internal thread (W 22.5, 14 threads, left-hand); other two sides: PT 114 internal thread) One side: other side: M 18 x 1.5 external threa
17、d or M 2 4 x 1.5 external thread Having a valve which changes gas flow by differential pressure and attached with hose assembly on one side. The same type as the connection fitting for one side, attached with hose assem- bly on both sides, PT 112 external thread; Copyright Japanese Standards Associa
18、tion Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/13/2007 21:45:26 MDTNo reproduction or networking permitted without license from IHS -,-,- JIS BX8261 80 4933608 I3021506 7 Test 4 B 8261-1980 Appli- item Performance Main test conditio
19、ns cable 3. Performance Proof pressure resistance 3.1 Performance of Hose Assembly The performance of hose assemblies shall be examined according to 10.1 to 10.8 and comply with the specifi- cations of Tables 4.1 to 4.4. 10.2 N o leakage nor other Apply 36 kgf/cm2 (3.6 MPa) abnormalities for 1 min.
20、Table 4.1. Class H Breaking pressure Item Apply 90 kgf/cm2 (9 MPa) or 500 kgf/cm2 (50 MPa) per minute. N o abnormalities such as detachment higher at a rate of within 10.3 of coupling and bursting of hose Pressure resistance Cold bending Cold resistance N o breakdown, Let stand at - 2 5 C for 5 h. c
21、racking, nor other Bend through 1 8 0 with minimum abnormalities 7n.h bending radius of Table 9 . Weathering resistance Airtightness Tens i le strength N o leakage nor other After cold bending test, apply abnomal it ie 21.6 kgflcm2 (2.16 MPa) for 1 min. Impact resistance Ozone deterioration Expose t
22、o concentration of 50 pphm at 4 0 C for 96 h. Bend with minimum bending radius of Table 9 . -ln r No cracking nor inor- Airtightness No leakage nor other Apply 21.6 kgf/cm2 (2.16 MPa abnormal it ies for 1 min. Airtightness After ozone deterioration test, for 1 min. n),i, Other apply 21.6 kgf/cm2 ( 2
23、.16 ma) of coupling or accessory metal fittings and frac- ture of hose Apply 1 0 0 kgf (980 N) for 5 min. 10.6 I -“. . impact 4irtightness Applicable to products having connection fittings. Drop a No abnormalities 1.5 kg steel ball from a height such as damage of of 1 m. coupling or acces- sory meta
24、l fittings Applicable to products without 10.7 connection fittings. Drop speci- men from a height of 2 m. No leakage nor other After impact test, apply abnormalities 21.6 kgf/cm2 (2.16 ma) for 1 min. I I I IU.3 No abnormalities such as detachment Tensile No leakage nor other After tensile test, appl
25、y Airtightness I abnormalities 21.6 kgf/cm2 I2.16 MPa) for 1 min. Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/13/2007 21:45:26 MDTNo reproduction or networking permitted without license from IH
26、S -,-,- JIS B*82b1 80 = 4933b08 0021507 9 item I I Main test conditions Pressure resistance Appli- cable item Cold resistance Apply 90 kgffcm2 (9 M F a or higher at a rate of within 500 kgf/cm2 (50 MPa) per minute. Let stand at -3OC for 5 h. Bend through 180 with minimum bending radius of Table 9. A
27、fter cold bending test, apply 21.6 kgf/cm2 (2.16 MPa) for 1 min. Weathering resistance 10.3 10.4 Tensile strength Airtightness Vibration resistance No leakage nor other abnormalities Table 4.2. Airtightness Test 1 Performance No leakage nor other abnormalities No leakage nor Airtightness other abnor
28、malities Airtightness Proof pressure No leakage nor resistance other abnormalities No leakage nor other abnormalities Breaking pressure Cold bending No abnormalities such as detachment of coupling and breakage of hose No breakdown , cracking, nor other abnormalities Ozone deterioration No cracking n
29、or other abnormalities I I No abnormalities such as detachment of couDlinn and Tensile I breakdown f hose I No leakage nor other abnormalities Vibration 5 B 8261-1980 Class A I 10.1 Apply 21.6 kgf/cm2 (2.16 ma) for 1 min. I 10.2 Apply 36 kgf/cm2 (3.6 MPa for 1 min. Expose to 50 pphm concentration at
30、 4 0 C for 96 h. Bend with minimum bending radius of Table 9. After ozone deterioration test, apply 21.6 kgf/cm2 (2.16 MPa) for 1 min. 10.5 Apply 100 kgf (980 N) for 5 min. 10.6 After tensile test, apply 21.6 kgflcm2 (2.16 MPa) for 1 min. Apply vibration with an amplitude of 2 to 4 nun and a frequen
31、cy of 2000 cycles/min at a pressure of 21.6 kgf/cm2 (2.16 MPa) for 4 h. 10.8 Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/13/2007 21:45:26 MDTNo reproduction or networking permitted without lice
32、nse from IHS -,-,- J I S B*82b1 80 = 4933b08 0021508 O Perf ormance Main test conditions No leakage nor other abnormalities Apply 36 kgf/cm2 (3.6 MPa for 1 min. No such as detachment Of coup1ing and breakage of hose Apply 90 kgf/cmz (9 MPa or higher at a rate of within 500 kgf/cm2 (50 MPa) per minut
33、e. No leakage nor other abnormalities After cold bending test, apply 1 min. 21.6 kgf/cm2 (2.16 for No cracking nor other abnormalities Applicable only to nomination 12 and under. Expose to 50 pphm at 40C for 96 h. Bend with minimum bending radius of Table 9. No such as detachment of coupling and bre
34、akdown of hose Applicable only to nomination 12 and under. Apply 1 0 0 kgf (980 N for 5 min, No leakage nor other abnormalities After tensile test, apply 21.6 kgf/cm2 C2.16 MPa) for min. 6 B 8261-1980 Table 4.3. Class P and Class PE Appli- cable item Item Test Airtightness No leakage nor other abnor
35、malities for 1 min. Apply 21.6 kgf/cm2 (2.16 MPa) 10.1 Proof pressure resistance 10.2 10.3 Pressure resistance Cold resistance Breaking pressure Let stand at - 2 5 C for 5 h. For nomination 19 and under, bend through 180 with minimum bending radius of Table 9; for nomina- tions of 25 to 50, bend thr
36、ough 90 with minimum bending radius of Table 9. No breakdown, cracking, nor other abnormalities Cold bending 10.4 Airtightness Ozone deterioration Weathering resistance Tensile strength Electric conduc- tivity 10.5 No leakage nor other abnormalities After ozone deterioration test, apply 21.6 kgf/cm2
37、 (2.16 MPa) for 1 min. Airtightness Tensile 10.6 Airtightness Electric conduction Apply 4.5 V to examine for Conduction lighting of electric bulb. 10.9 Remarks 1. The tensile test of Class PE hose assemblies shall be per- formed by agreement between the parties concerned. 2. The conduction test shal
38、l be applied only to Class BE hose assemblies. Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/13/2007 21:45:26 MDTNo reproduction or networking permitted without license from IHS -,-,- JIS B*82bL
39、80 M 4933b08 002,l150S 2 M 7 B 8261-1980 Table 4.4. Class HL Appli- cable item Item Performance Main test conditions 10.1 I Apply 3 kgf/cm2 (0.3 Wal 9irtightness other abnormalities for 1 min. I No leakage nor Pressure resistance 10.2 Proof pressure No leakage nor Apply 8 kgf/cm2 (0.8 MPa resistance
40、 other abnormalities for 1 min. No breakdown, abnormalities Let stand at -25OC for 5 h. bending radius of Table 9. Cold bending cracking, nor other Bend through 180 with minimum Cold resistance 10.4 After cold bending test, for min. Airtightness No leakage nor apply 3 kgf/cm2 (0.3 ma) other abnormal
41、ities Expose to 50 pphm at 4OoC for 96 h. radius of Table 9. Bend with minimum bending Ozone No cracking nor deterioration other abnormalities Weathering resistance 10.5 After ozone deterioration test, for min. Airtightness No leakage nor apply 3 kgflcm2 (0.3 ma other abnormalities N o abnormalities
42、 such as detachment Tensile 1 Apply 100 kgf (980 N for 5 min. of coupling or accessory metal Tens i le strength 10.6 fittings- and breakdown of hose No leakage nor After tensile test, apply Airtightness other abnormalities 3 kgf/cm2 (0.3 ma for 1 min. No abnormalities such as damage of coupling or a
43、cces- height. sory metal fittings Drop 1.5 kg steel ball form 1 m Impact Impact resistance 10.7 No leakage nor After impact test, apply Airtightness I other abnormalities 13 kgf/cm2 (0.3 MPa for 1 min. 3.2 Performance of Valve Body of Connection Fittings and Rubber Parts and the Like Excluding Hose
44、The performance of the valve body of con- nection fittings and rubber parts, gaskets, and the like excluding the hose shall be examined according to the test of 10.10 to 10.13, and comply with the specifications of Table 5. e Table 5. Valve Body and Rubber Parts and the Like Applicable Main test con
45、ditions I item item I Test 1 Performance 10.10 Operability Valve body Operable without Apply a differential pressure of 1 of valve body operation leakage 1 to 0.7 kgf/cm2 ( 1 0 0 to 70 kPa. body N o leakage durability I I Durabiltty of valve body 360 times of repeated applica- 0.7 kgf/cm:! (100 to 7
46、0 kPa. tion of gas pressure of 1 to 1 0 . 1 1 10.12 body Operable without Let stand at -25OC for 30 min. Apply 15.6 kgf/cm2 ( 1 . 5 6 ma. valve body I resistance I leakage ance of LP gas re- LP gas re- No abnormalities Imerse in Lp gas mixed liquid sistance of sistance of such as embrit- rubber part
47、s rubber parts tlement, swelling, at -2OOC and 4OoC, respectively, for 24 10.13 . and the like and the like and softening Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/13/2007 21:45:26 MDTNo repr
48、oduction or networking permitted without license from IHS -,-,- JIS B*B263 BO m 4933608 002l15LO 9 Charging mouth thread 8 B 8261-1980 a$ Of Nomination of Nomination of thread metric thread flange 4. Construction Hose assemblies shall be constructed as an integral body by attaching couplings to the hose or by attaching a coupling and accessory metal fit- tings to the hose. from respective parts and detachment of couplings or a