A21H
【概述】A
【产品主要参数】 产品名称:A
产品型号:A
公称通径:DN10~DN600、1/2″~25″
公称压力:PN1.0~32MPa 美标:
适用温度:≤-196℃~
设计制造:GB/T12243、APl 520
法兰连接:JB/T79-94、JB/T2769-92、GB/T9113-2000、ANSI Bl6.
结构长度:JB/T2203、APl 526
阀门检验与试验:GB12242、APl 527
【整定压力分级】
公称压力 | A | |||||||
1.6 | >0.1-0.16 | >0.16-0.25 | >0.25-0.4 | >0.4-0.6 | >0.6-0.8 | >0.8-1.0 | >1.0-1.3 | >1.3-1.6 |
2.5 | >1.3-1.6 | >1.6-2.0 | >2.0-2.5 | " | " | " | " | " |
4.0 | >1.3-1.6 | >1.6--2.0 | >2.0-2.5 | >2.5-3.2 | >3.2-4.0 | " | " | " |
6.4 | >2.5-3.2 | >3.2-4.0 | >4.0-5.0 | >5.0-6.4 | " | " | " | " |
10.0 | >3.2-4.0 | >4.0-5.0 | >5.0-6.4 | >6.4-8.0 | >8.0-10.0 | " | " | " |
16.0 | >8.0-10.0 | >10-13 | >13-16 | " | " | " | " | " |
32.0 | >13-16 | >16-19 | >19-22 | >22-25 | >25-29 | >29-32 | " | " |
【主要零件材料】
NO | 零件名 | A | A | A |
1 | 阀体 | WCB | ZG1Cr18Ni9Ti | CF |
2 | 阀座 | 2Cr13 | 1Cr18Ni9Ti | 316 |
3 | 调节圈 | ZG2Cr13 | ZG1Cr18Ni9Ti | 0Cr18Ni12Mo2Ti |
4 | 反冲盘 | ZG2Cr13 | ZG1Cr18Ni9Ti | 316 |
5 | 阀瓣 | 2Cr13 | 1Cr18Ni9Ti | 316 |
6 | 导向套 | 2Cr13 | 1Cr18Ni9Ti | 0Cr18Ni12Mo2Ti |
7 | 阀盖 | ZG230-450 | ZG230-450 | ZG230-450 |
8 | 弹簧 | 50CrVA | 50CrVA包覆氟塑料 | 50CrVA包覆氟塑料 |
9 | 阀杆 | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
10 | 扳手 | ZG200-400 | ZG200-400 | ZG200-400 |
11 | 调整螺杆 | 45 | 2Cr13 | 2Cr13 |
12 | 保护 | ZG200-400 | ZG200-400 | 316 |
| 密封面材料 | 堆焊Co基硬质合金 |
【连接外形尺寸】
型号 | 公称通径 | do | d | Do | M | d1 | D1 | L | L1 | ≈H |
A | 15 | 12 | 15 | 20 | M27×1.5 | G1/ | 30 | 35 | 76 | 66 |
20 | 16 | 20 | 25 | M33×1.5 | G3/ | 35 | 40 | 87 | 68 | |
25 | 18 | 25 | 31 | M39×1.5 | G | 40 | 50 | 100 | 105 | |
A | 15 | 10 | 15 | 25 | M39×1.5 | G | 44 | 50 | 100 | 66 |
20 | 10 | 20 | 31 | M39×1.5 | G | 44 | 50 | 100 | 68 | |
25 | 12 | 25 | 31 | M39×1.5 | G | 44 | 50 | 100 | 105 | |
A | 15 | 8 | 20 | / | M24×2 | G | 44 | 50 | 100 | 261 |
20 | 8 | 25 | / | M33×2 | G | 44 | 50 | 100 | 261 | |
25 | 8 | 28 | / | M36×2 | G | 44 | 50 | 100 | 285 |