Valves are used as closure devices at pipelines for transportation of water, air, steam, natural gas, ammonia, oil and oil products, liquid and gaseous carbon and other medium non-aligned as against material of product major components.
PN 25
ГОСТ Р 53672-2009
Main dimensions, mm
Weight without actuator
Type designation (Table of patterns) | DN | L | H | H1 | H2 | h | Do | Material of major components | Temperature of operating medium | Weight, kg |
Fig.1 | ||||||||||
30c99нж 30с999нж30нж99нж 30нж999нж |
50 | 180 | 285 | 369 | 755 | 80 | 160 |
Steel 20Л Steel 12Х18H9ТЛ 12Х18Н12М3ТЛ |
≤425°С ≤ 565°C |
21 |
80 | 210 | 373 | 460 | 843 | 98 | 200 | 32 | |||
100 | 230 | 488 | 603 | 958 | 108 | 280 | 50 | |||
150 | 280 | 645 | 815 | 1115 | 140 | 99 | ||||
200 | 330 | 800 | 1030 | 1210 | 168 | 360 | 180 | |||
250 | 450 | 960 | 1080 | 1370 | 225 | 640 | 395 | |||
300 | 500 | 1107 | 1227 | 1517 | 230 | 475 |