GOST-18698-1979-ENG.pdf
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1、U S S R S T A T E S T A N D A R D RUBBER PRESSURE HOSES WITH TEXTILE CARCASS SPECIFICATIONS GOST 1869879 Official Edition USSR STATE COMMITTEE FOR PRODUCT QUALITY MANAGEMENT AND STANDARDS Moscow UDC 621.643.33 : 006.354Group 63 U S S R S T A T E S T A N D A R D RUBBER PRESSURE HOSES WITH TEXTILE CAR
2、CASS Specifications GOST 1869879 OKP (All-Union Product Classification Code) 25 5000 Term from 01.01.81 Term to 01.01.93 This Standard applies to rubber pressure hoses with textile carcasses, used as flexible tubing for the transfer of pressured liquids, saturated steam, gases, and loose material in
3、 regions with cold, moderate and tropical climates. This Standard does not apply to hoses used in gas welding or cutting of metals, hoses for automobiles or agriculture machine building, or to hoses for special purposes. 1. KEY PARAMETERS AND DIMENSIONS 1.1. Depending on functional purpose, delivery
4、 hoses shall be divided into classes, stipulated in table 1. 1.2. Depending on operating pressure, key dimensions of hoses of class (I), (II), and (VII), shall comply with those stipulated in table 2; key dimensions of hoses of classes (III) and (IV) shall comply with those stipulated in table 3; ke
5、y dimensions of hoses of class (VIII) shall comply with those stipulated in table 4; key dimensions of hoses of class -1 (X) and -2 () shall comply with those stipulated in table 5. Official Edition ! O Standards Publishing House, 1979 Standards Publishing House, 1991 Revised Edition with Amendments
6、 This Standard may not be reproduced, in full or in part, reprinted or distributed without the permission of Gosstandart of the USSR T a b l e 1 Operational capability of hoses at air temperature of, C, in regions ClassOKP codeWorking medium with moderate climatewith tropical climatewith cold climat
7、e GasolineFrom 35 to +70From 20 to +70From 50 to +70 KeroseneFrom 35 to +70From 20 to +70From 50 to +70 (I)25 5711 Mineral oils on petroleum basisFrom 35 to +100From 20 to +100From 50 to +100 (II)25 5311Technical water (without additives), solutions of mineral acids and alkali of up to 20% concentra
8、tion (except for solutions of nitric acid) To +50To +55To +50 25 5312Hot waterTo +100To +100To +100 (III) (IV) 25 5511Air, carbon dioxide, nitrogen and other inactive gases From 35 to +50From 20 to +55From 50 to +50 p. 2 GOST 18698-79 -,-,- Table 1 (cont.) Operational capability of hoses at air temp
9、erature of, C, in regions ClassOKP codeWorking medium with moderate climatewith tropical climatewith cold climate (VII)25 5313Food substances (alcohol, wine, beer, milk, weak acid solutions of organic and other substances, drinking water) To +50To +55To +50 Abrasive material (sand from sand-jet equi
10、pment)From 35 to +50From 20 to +50From 50 to +50 (VIII)25 5314 Weak alkaline and acid solutions for plastering and painting To +50To +55To +50 -1 (X)25 5391Saturated steamTo +143To +143To +143 -2 (X)25 5391Saturated steamTo +175To +175 Table 1. (Amended Wording, Amendment No. 4). GOST 18698-79 p. 3
11、HOSES OF CLASSES (I), (II), and (VII) T a b l e 2 D i m e n s i o n s in mm Operating pressure, MP (kgf/cm2) 0.16 (1.6)0.25 (2.5)0.63 (6.3)Internal diameter External diameterExternal diameterExternal diameter with combined fabric with cotton fabric with combined fabric with cotton fabric with combin
12、ed fabric with cotton fabric Rated Max. deviation Rated Max. deviation Rated Max. deviation Line density (reference) g/m Rated Max. deviation Rated Max. deviation Line density (reference) g/m Rated Max. deviation Rated Max. deviation Line density (reference) g/m (9.00)212142021214202121420 10.002222
13、44022224402222440 (12.00)232345023234502323450 12.50 0.50 23 2 23 2 45023 2 23 2 4502323450 16.002727540 (18.00)2929580 20.00 0.75 3131600 25.003636730 31.504343950 (32.00) 1.25 4343950 (38.00)49491 100 40.00 51 2 53 2 1 200 50.0062621 30062621 800 63.00 (65.00) 1.50 75 77 75 77 2 000 2 120 77 79 77
14、 79 2 000 2 120 (75.00)87 3 89 3 2 42589 3 89 3 2 425 80.00 92942 500942 800 100.00 125.00 111 136 112 138 3 800 5 100 111 136 112 138 3 800 5 100 115 146 3 900 5 100 (150.00)1611646 650161 4 1646 650172 4 6 650 160.00171 4 1756 9001711756 9001826 900 200.00 2.00 213 5215 4 8 000213 5 215 4 8 000225
15、 5 p. 4 GOST 18698-79 Table 2 (cont.) D i m e n s i o n s in mm Operating pressure, MP (kgf/cm2) 1.0 (10.0)1.6 (16.0)2.0 (20.0)Internal diameter External diameterExternal diameterExternal diameter with combined fabric with cotton fabric with combined fabric with cotton fabric with combined fabric wi
16、th cotton fabric Rated Max. deviation Rated Max. deviation Rated Max. deviation Line density (reference) g/m Rated Max. deviation Rated Max. deviation Line density (reference) g/m Rated Max. deviation Rated Max. deviation Line density (reference) g/m (9.00)212142021214202122440 10.002222440222244022
17、23500 (12.00)232345023254802326530 12.50 0.50 232345023254802326530 16.00272754027297002933800 (18.00)293168029337903135905 20.00 0.75 313371031358103338930 25.00383884038 2 42 2 1 12040471 440 31.5043471 26047521 5004957 2 2 170 (32.00) 1.25 45 2 47 2 1 26047521 50049 2 572 170 (38.00)51551 6405360
18、2 00055662 680 40.0053571 85055622 50057682 900 50.0064692 30068753 0007381 3 3 900 63.007985 3 2 50086943 700894 200 (65.00) 1.50 83 3 87 43 56086 3 94 3 4 20090 3 GOST 18698-79 p. 5 Table 2 (cont.) D i m e n s i o n s in mm Operating pressure, MP (kgf/cm2) 1.0 (10.0)1.6 (16.0)2.0 (20.0)Internal di
19、ameter External diameterExternal diameterExternal diameter with combined fabric with cotton fabric with combined fabric with cotton fabric with combined fabric with cotton fabric Rated Max. deviation Rated Max. deviation Rated Max. deviation Line density (reference) g/m Rated Max. deviation Rated Ma
20、x. deviation Line density (reference) g/m Rated Max. deviation Rated Max. deviation Line density (reference) g/m (75.00)100 3104 3 80.00 100.00 125.00 2.0 (150.00) 160.00 200.00 N o t e s : 1. Hoses with an internal diameter stipulated in parenthesis shall not be used for new designs. 2. Hoses with
21、internal diameter of 65.00 mm 75.00 mm, manufactured from weftless fabrics of advanced strength, have an external diameter no more than 85 mm and 96 mm respectively for all classes and pressures. p. 6 GOST 18698-79 -,-,- GOST 1869879 p. 7 T a b l e 3 HOSES OF CLASS (III) and (IV) D i m e n s i o n s
22、 in mm Operating pressure, MPa (kgf/cm2) 0.63 (6.3)1.0 (10.0) External diameterExternal diameterInternal diameter with combined fabric with cotton fabric with combined fabric with cotton fabric Rated Max. deviat- ion Rated Max. deviat- ion Rated Max. deviat- ion Line density (reference) g/m Rated Ma
23、x. deviation Rated Max. deviation Line density (reference) g/m (9.00)2122450 10.002223500 (12.00)2325525 12.50 0.50 2325525 16.0027275402829600 (18.00)29316803131680 20.00 0.75 31337103333780 25.00363884040421 000 31.5043471 26047511 425 (32.00) 1.25 43 2 47 2 1 26047 2 51 2 1 425 (38.00)51551 64053
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