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2、ngs Preparation of polyethylene (PE) pipe/pipe or pipe/fitting test piece assemblies by butt fusion). - , - . - (IDT) 5 1.02012 ( 8). ( 1 ) , -. () - . , (gost.ru) , 2015 -, - 114142014 III 1 .1 2 .1 3 .2 3.1 , .2 3.2 2 3.3 2 3.4 .2 4 , .3 5 .3 6 3 7 4 () 5 () .6 () .7 .8 114142014 IV 11414 / 138 ,
3、, SC 5 , - . -. 114142014 1 / / (), Plastics pipes and fittings. Preparation of polyethylene (PE) pipe/pipe or pipe/fitting test piece assemblies by butt fusion 20160101 1 () -, . , , , , , . - . - , , , , / . , , , / 11647 1. , - . 2 . - , - ( ): 4427-2 () . 2. (ISO 4427-2, Plastics piping systems
4、Polyethylene (PE) pipes and fit-tings for water supply Part 2: Pipes). 4427-3 . () 3. (ISO 4427-3, Plastics piping systems Polyeth-ylene (PE) pipes and fittings for water supply Part 3: Fittings). 4437 () . - . (ISO 4437, Buried polyethylene (PE) pipes for the supply of gase-ous fuels Metric series
5、Specifications)1). 1) 4437-1 . - (). 1. (ISO 4437-1 Plastics piping systems for the supply of gaseous fuels Polyethylene (PE) Part 1: General), 4437-2 - . (). 2. (ISO 4437-2 Plastics piping systems for the supply of gaseous 114142014 2 8085-2 , - . . . 2. , (ISO 8085-2, Polyethylene fittings for use
6、 with polyethylene pipes for the supply of gaseous fuels Metric series Specifications Part 2: Spigot fittings for butt fusion, for socket fusion using heated tools and for use with electrofusion fittings)1). 12176-1 . - 1: (ISO 12176-1, Plastics pipes and fittings Equipment for fusion jointing polye
7、thylene systems Part 1: Butt fusion). 3 3.1 , ne ; nd ; p , -, ; t ; nomT , (23 2) C; maxT ; minT . 3.2 a , , ; w , , . 3.3 aT , . - minT , maxT , . 3.4 3.4.1 T , 3.4.2 1. 1p , 2), . , fuels Polyethylene (PE) Part 2: Pipes), 4437-3 - . (). 3. (ISO 4437-3 Plastics piping systems for the supply of gas
8、eous fuels Polyethylene (PE) Part 3: Fittings), 4437-5 - . (). 5. (ISO 4437-5 Plastics piping systems for the supply of gaseous fuels Polyethylene (PE) Part 5: Fitness for purpose of the system. 1) 4437-3 . - (). 3. (ISO 4437-3 Plastics piping systems for the supply of gaseous fuels Polyethylene (PE
9、) Part 3: Fittings). - . 2)1 =1 /2. 114142014 3 1B ( ), , - 1t 1B - . 3.4.3 2. 2p , , 2t , , - 3.4.4 3. 3t , , , / , / - 3.4.5 4. 4t , , 3.4.6 5. 5p , , 5t , , . 3.4.7 6. 6t , , - ; 2B , , . 4 , , , . 5 , aT (. .1), , 1. 1 ne , , ne 8 3 8 ne 16 6 16 ne 32 10 32 ne 166 12176-1, -, 1, 2 5 . 114142014
10、4 7 , 4427-2, 4427-3, 4437 8085-2, , - ( ). ) / , - a 0,5 , nd 200 , 0,1ne 1 , nd 200 . b) , w , 0,3 nd 200 0,5 nd 200 . c) , , - , - . d) , . 114142014 5 () .1 .1 .2 - . t .1 .1 T 200 230 1 1p0,15 0,02 1t , 1Bb 1B . .2 c 2 2p 0,03 2t . .2 3 3t . .2. 4 4t . .2 5 5p0,15 0,02 5t . .2 6 6t = 5t nd , ne
11、 . b , . 114142014 6 .2 ne , 1B , 2t , 3t , 4t , 5t , 4,5 0,5 45 5 5 6 4,5 ne 7 1,0 45- 70 5-6 5-6 6-10 7 ne 12 1,5 70-120 6-8 6-8 10-16 12 ne 19 2,0 120-190 8-10 8-11 16-24 19 ne 26 2,5 190-260 10-12 11-14 24-32 26 ne 37 3,0 260-370 12-16 14-19 32-45 37 ne 50 3,5 370-500 16-20 19-25 45-60 50 ne 70 4,0 500-700 20-25 25-35 60-80 , / . () .1 , . .1 b T, p, , 1 nomT23 2 215 5 0,15 0,02 2 minT5 2 230 5 0,17 0,02 3 maxT40 2 205 5 0,13 0,02 ,
