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單杠桿**閥

主要零部件材料說明
GA41H-16C/25/40 A51H-16C/25/40單杠桿**閥除杠桿(材料為碳鋼),重錘(材料為鑄鐵),其余材料
均和A41H-16C型彈簧式**閥相同。
GA42H型**閥適用于溫度≤450℃的電站鍋爐和壓力容器上,防止壓力超過允許*高值,介質可為蒸汽、空氣

外形尺寸和連接尺寸
|
口徑
|
尺寸
|
|
do
|
L
|
L1
|
D
|
K
|
g1
|
f
|
b
|
z-?d
|
DN'
|
D1
|
K1
|
g2
|
b1
|
f'
|
z-?d1
|
|
25
|
20
|
100
|
85
|
115
|
85
|
65
|
2
|
16
|
4-14
|
25
|
115
|
85
|
65
|
16
|
2
|
4-14
|
|
32
|
25
|
115
|
100
|
140
|
100
|
78
|
2
|
18
|
4-18
|
32
|
140
|
100
|
78
|
18
|
2
|
4-18
|
|
40
|
32
|
120
|
110
|
150
|
110
|
85
|
3
|
18
|
4-18
|
40
|
150
|
110
|
85
|
18
|
3
|
4-18
|
|
50
|
40
|
135
|
120
|
165
|
125
|
100
|
3
|
20
|
4-18
|
50
|
165
|
125
|
100
|
20
|
3
|
4-18
|
|
80
|
65
|
160
|
135
|
200
|
160
|
135
|
3
|
20
|
8-18
|
80
|
200
|
160
|
135
|
20
|
3
|
8-18
|
|
100
|
80
|
170
|
160
|
220
|
180
|
155
|
3
|
22
|
8-18
|
100
|
220
|
180
|
155
|
22
|
3
|
8-18
|
|
150
|
125
|
205
|
195
|
285
|
240
|
210
|
3
|
24
|
8-23
|
150
|
285
|
240
|
210
|
24
|
3
|
8-23
|
|
200
|
150
|
240
|
230
|
340
|
295
|
265
|
3
|
26
|
12-23
|
200
|
340
|
295
|
265
|
26
|
3
|
12-23
|
注:PN2.5、PN4.0MPa尺寸參照A41H-25/40型尺寸表。
|