6
'A' 0.370 0.369 0.398 0.429 0.531 0.546 0.605 0.632 0.692 0.783 0.781 0.839
'B' 0.025 0.030 0.036 0.044 0.051 0.063 0.070 0.076 0.091 0.118 0.139 0.176
'B' 0.027 0.032 0.038 0.046 0.053 0.065 0.072 0.078 0.093 0.120 0.141 0.178
1½F2 150# thru 600# 0.667 0.740 0.834 4.013 0.437 0.996 1.001
1½F2½ 900# thru 1500# 0.667 0.740 0.834 4.013 0.437 0.996 1.001
1½F2½ 2500# 0.667 0.740 0.834 4.633 0.442 0.996 1.001
G 150# thru 1500# 0.852 0.948 1.042 3.763 0.531 1.315 1.320
G 2500# 0.852 0.948 1.042 4.763 0.531 1.315 1.320
1½H3 150# thru 600# 1.065 1.186 1.314 3.889 0.626 1.683
[3]
1.689
[3]
1½H3 900# thru 1500# 1.065 1.186 1.314 5.286 0.626 1.683
[3]
1.689
[3]
2H3 300# thru 600# 1.065 1.186 1.314 3.889 0.626 1.683
[3]
1.689
[3]
2H3 900# thru 1500# 1.065 1.186 1.314 4.826 0.626 1.683
[3]
1.689
[3]
2J3 150# thru 300#
[1]
1.363
[2]
1.519 1.647 4.326 0.750 2.487
[3]
2.493
[3]
2J4 300# 1.363
[2]
1.519 1.647 4.857 0.750 2.487
[3]
2.493
[3]
2J4 600# AND 900#
[6]
1.363
[2]
1.519 1.647 5.107 0.750 2.487
[3]
2.493
[3]
2J4 900
[5]
& 1500 1.363
[2]
1.519 1.647 6.444 0.750 2.487
[3]
2.493
[3]
2½J4 300# 1.363
[2]
1.519 1.647 4.357 0.750 2.487
[3]
2.493
[3]
2½J4 600# & 900#
[6]
1.363
[2]
1.519 1.647 5.107 0.750 2.487
[3]
2.493
[3]
3J4 300# thru 600# 1.363
[2]
1.519 1.647 6.232 0.750 2.487
[3]
2.493
[3]
3J4 900# thru 1500# 1.363
[2]
1.519 1.647 6.441 0.750 2.487
[3]
2.493
[3]
K 150# thru 300# 1.629
[2]
1.816 1.944 4.701 0.906 2.487
[3]
2.493
[3]
K 600# thru 900# 1.629
[2]
1.816 1.944 5.826 0.906 2.487
[3]
2.493
[3]
3L4 150# thru 300# 2.028
[2]
2.264 2.392 5.045 1.562 3.681
[3]
3.689
[4]
3L6 600# thru 900# 2.028
[2]
2.264 2.392 6.201 1.562 3.681
[3]
3.689
[4]
4L6 150# thru 600# 2.028
[2]
2.264 2.392 5.263 1.562 3.681
[3]
3.689
[4]
4L6 900# 2.028
[2]
2.264 2.392 6.236 1.002 3.681
[3]
3.688
[4]
M 150# thru 600# 2.279
[3]
2.541 2.669 5.576 1.562 3.681
[3]
3.689
[4]
M 900# 2.279
[3]
2.541 2.669 6.389 1.562 3.681
[3]
3.688
[4]
N 150# thru 600# 2.502
[3]
2.790 2.918 6.107 1.750 3.681
[3]
3.689
[4]
P 150# thru 600# 3.033
[3]
3.383 3.511 5.857 1.750 5.854
[3]
5.861
[4]
Q 150# thru 600# 3.989
[3]
4.458 4.586 7.747
[7]
2.000 6.431
[2]
6.440
[2]
R 150# thru 600# 4.800
[3]
5.318 5.446 8.122
[7]
2.000 6.431
[2]
6.440
[2]
T 150# thru 600# 6.118
[3]
6.780 6.908 9.591
[7]
2.000 8.443
[3]
8.453
[2]
ANDERSON GREENWOOD 5200系列先导式安全阀
安装和维护手册
表 3 - 内部件关键尺寸
阀座关键尺寸(参考图 4)
导向套 活塞 衬套
尺寸"A" 尺寸"B" 尺寸"C" 尺寸"D"
内径 外径 内径
喉径 入口额定值
± .002 ± .002 ± .002 ± .005 -0/+.002 -0/+.003 -0/+.003
注
1. 最大整定压力限制为 290 psig
2. 公差为 ± .003
3. 公差为 ± .004
4. 公差为 ± .005
5. 适用于WCB/WCC 阀体材料
6. 适用于WC6 阀体材料
7. 公差值 ± .007
2.2.3 阀瓣加工
如果阀瓣损坏太严重,无法用研磨方法去除,
可加工并研磨阀瓣,但需要保持最低阀瓣高度
(图5和表4)。
表 4 - 阀瓣最低高度(参见图5)
喉径
F G H J K L M N P Q R T
"A"研磨后最小尺寸
"B" 加工后尺寸
图 5 - 阀座研磨余量(参见表4)