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详细介绍
不锈钢一片式内螺纹球阀
dn | g | b | l | e | h | a |
10 | 3/8" | 8 | 50 | 15 | 30 | 65 |
15 | 1/2" | 9.5 | 56 | 17 | 34 | 85 |
20 | 3/4" | 12.5 | 60 | 18 | 40 | 95 |
25 | 1" | 16 | 71 | 20 | 52 | 110 |
32 | 11/2" | 20 | 78 | 21.5 | 62 | 140 |
40 | 11/4" | 25 | 96 | 23 | 68 | 140 |
50 | 2" | 32 | 101 | 24.5 | 75 | 155 |
65 | 21/2" | 40 | 120 | 25 | 82 | 180 |
公称压力nominal pressure | pn | 2.5,4 | mpa |
强度试验压力strengh testing pressure | pt | 3.8,6,9,6 | |
低压气密封试验压力seat testing pressure | 0.6 | ||
高压气密封试验压力seat testing pressure | 2.8,4.4,7.04 | ||
适用介质applicable media | q21f-25c 40c | q21f-25c 40c | q21f-25c 40c |
水,油品,气water,oil,steam | 硝酸类nitric acid | 醋酸类acetic acid | |
适用温度applicable temperatrue | -40~180 | ||
零件名称desc-ription of parts | q21f-25,40 | q21f-25p,40p | q21f-25r,40r |
阀体valve body | wcb | zg1cr18niti | zg1cr18ni12mo2ti |
球体ball body | 1cr18ni9ti | zg1cr18niti | zg1cri18ni12mo2ti |
球杆ball rod | 1cr18ni9ti | zg1cr18niti | 1cr18ni12mo2ti |
密封圈beal ring | 聚四氟乙烯polytetrafluoroethyene | ||
填料packing | 聚四氟乙烯polytetrafluoroethyene | ||
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