活塞式減壓閥OK.jpg "Y43H/Y型先導(dǎo)活塞式蒸汽減壓閥")
活塞式減壓閥OK2.jpg)
活塞式減壓閥OK3.jpg)
|
公稱壓力(Mpa)
|
1.6
|
2.5
|
4.0
|
6.4
|
10.0
|
16.0
|
|
殼體試驗(yàn)壓力(Mpa)*
|
2.4
|
3.75
|
6.0
|
9.6
|
15.0
|
24
|
|
密封試驗(yàn)壓力(Mpa)
|
1.6
|
2.5
|
4.0
|
6.4
|
10.0
|
16.0
|
|
最高進(jìn)口壓力(Mpa)
|
1.6
|
2.5
|
4.0
|
6.4
|
10.0
|
16.0
|
|
出口壓力范圍(Mpa)
|
0.1-1.0
|
0.1-1.6
|
0.1-2.5
|
0.5-3.5
|
0.5-3.5
|
0.5-4.5
|
|
壓力特性偏差(Mpa)△P2P
|
GB12246-1989
|
|||||
|
流量特性偏差(Mpa)P2G
|
GB12246-1989
|
|||||
|
最小壓差(Mpa)
|
0.15
|
0.15
|
0.2
|
0.4
|
0.8
|
1.0
|
|
滲漏量
|
GB12245-1989
|
|||||
|
零件名稱
|
零件材料
|
|
閥體閥蓋底蓋
|
WCB
|
|
閥座閥盤
|
2Cr13
|
|
缸套
|
2Cr13/25(鍍硬鉻)
|
|
活塞
|
2Cr13/銅合金
|
|
活塞環(huán)
|
合金鑄鐵
|
|
導(dǎo)閥座導(dǎo)閥桿
|
2Cr13
|
|
膜片
|
1Cr18Ni9Ti
|
|
主閥彈簧
|
50CrVA
|
|
導(dǎo)閥主彈簧
|
50CrVA
|
|
調(diào)節(jié)彈簧
|
60Si2Mn
|
|
DN |
15 |
20 |
25 |
32 |
40 |
50 |
65 |
80 |
100 |
125 |
150 |
200 |
250 |
300 |
350 |
400 |
500 |
|
Cv |
1 |
2.5 |
4 |
6.5 |
9 |
16 |
25 |
36 |
64 |
100 |
140 |
250 |
400 |
570 |
780 |
1020 |
1500 |
活塞式減壓閥圖紙.jpg)
|
公稱通徑
DN
|
外形尺寸
|
|||
|
L
|
H
|
Hl
|
||
|
1.6/2.5MPa
|
4.0MPa
|
|||
|
15
|
160
|
180
|
295
|
90
|
|
20
|
160
|
180
|
330
|
98
|
|
25
|
180
|
200
|
330
|
110
|
|
32
|
200
|
220
|
330
|
110
|
|
40
|
220
|
240
|
345
|
125
|
|
50
|
250
|
270
|
345
|
125
|
|
65
|
280
|
300
|
350
|
130
|
|
80
|
310
|
330
|
385
|
160
|
|
100
|
350
|
380
|
385
|
170
|
|
125
|
400
|
450
|
400
|
200
|
|
150
|
450
|
500
|
415
|
210
|
|
200
|
500
|
550
|
475
|
240
|
|
250
|
650
|
525
|
290
|
|
|
300
|
800
|
580
|
335
|
|
|
350
|
850
|
620
|
375
|
|
|
400
|
900
|
660
|
405
|
|
|
450
|
900
|
730
|
455
|
|
|
500
|
950
|
750
|
465
|
|
|
DN
|
外形尺寸
|
|||
|
L
|
H
|
Hl
|
||
|
6.4MPa
|
10.0/16.0MPa
|
|||
|
15
|
180
|
180
|
305
|
105
|
|
20
|
180
|
200
|
340
|
105
|
|
25
|
200
|
220
|
340
|
120
|
|
32
|
220
|
230
|
340
|
120
|
|
40
|
240
|
240
|
355
|
135
|
|
50
|
270
|
300
|
355
|
135
|
|
65
|
300
|
340
|
360
|
140
|
|
80
|
330
|
360
|
395
|
17
|
|
100
|
380
|
400
|
185
|
|
|
125
|
450
|
415
|
215
|
|
|
150
|
500
|
430
|
225
|
|
|
200
|
550
|
495
|
260
|
|
|
250
|
650
|
545
|
310
|
|
|
300
|
800
|
600
|
355
|
|
|
350
|
850
|
640
|
395
|
|
|
400
|
900
|
690
|
435
|
|
|
500
|
950
|
780
|
495
|
|
