9803-1 2013II1 ( ) - , 4.2 249 . - 22 2013 . 532-.4 9803-1:2007 . . 1. (ISO 9803-1:2007 Vacuum technology Mounting dimensions of pipeline ttings Part 1: Non knife-edge ange type). - , . 52715 2007 1.0 2012 ( 8). - ( 1 ) , - . ( ) - . , (gost.ru) , 2014 , - - 9803-1 2013III O 9803-1:2007 - . . 1. - , / 112 . 52715-2007, 9803 2 :- , O 1609 2861-1;- , O 3669. 9803-1 2013IV 9803-1 201324.2 , O 1609 O 2861-1. .4.3 , O 1609, , 4. , 4. - - , - 1 2 - , - 3 = 360 4 42