进口自力式微压,差压调节阀
至0.1MPa自力式差(微)压调节阀是一种不需要外加能源的执行器产品。可用于公称压力PN0.1、PN10。差(微)压均可分段调节。从50mm.WC至0.1MPa。其用途十分广泛,可用于工业燃烧炉系统,控制两种物料,如煤气、空气流量配比,以达理想燃烧。用于氢冷发电机组密封油系统,控制密封油与氢气间压力差,以确保可靠密封。当差压阀的低压端通大气即为微压阀(差压阀负压,端压,力为零)。
进口自力式微压,差压调节阀特点
● 无需停止生产即可进行设定值的调整;
● 无填料,阀杆上、下活动时不存在磨擦,上密封绝对可靠
● 执行机构敏感元件极为灵敏,极微小的压力变化会被感测出来
● 阀体为四通形式,因而K、B型可通用一种阀体
进口自力式微压,差压调节阀主要技术参数和性能指标(表一)
额定行程(mm)
|
20
|
25
|
32
|
40
|
50
|
65
|
80
|
100
|
公称压力PN(MPa)
差压调节范围(KPa)
|
|
8
|
11
|
20
|
32
|
50
|
80
|
100
|
160
|
|
|
|
|
|
53
|
83
|
|
|
额定行程(mm)
|
6
|
8
|
10
|
15
|
20
|
公称压力PN(MPa)
|
0.10 1.0
|
差压调节范围(KPa)
|
0.5~5.5 5~10 9~14 13~19 18~24
22~28 26~33 31~38 36~44 42~51
49~58 56~66 64~78 76~90 88~100
|
介质温度(℃)
|
≤80
|
调节精度(%)
|
≤10
|
允许泄漏量(L/H)
|
|
10-4×阀额定容量(IV级)
|
|
5×10-3×阀额定容量(II级)
|
(表二)单位:mm
公称通径(DN)
|
20
|
25
|
32
|
40
|
50
|
65
|
80
|
100
|
A
|
308
|
394
|
308
|
394
|
308
|
394
|
394
|
394
|
H
|
|
376
|
465
|
365
|
445
|
445
|
490
|
490
|
510
|
|
|
|
|
|
536
|
536
|
570
|
590
|
L
|
|
150
|
160
|
180
|
20
|
230
|
290
|
310
|
350
|
|
|
|
|
|
222
|
222
|
310
|
350
|
重量(kg)
|
12
|
13
|
15
|
17
|
20
|
28
|
38
|
43
|
导压管螺纹接头
|
M16×1.5
|
进口自力式微压,差压调节阀法兰尽寸(表三)
公称通径(DN)
|
20
|
25
|
32
|
40
|
50
|
65
|
80
|
100
|
D
|
PN01PN10
|
105
|
115
|
140
|
150
|
165
|
185
|
200
|
220
|
D1
|
PN01
|
PN10
|
75
|
85
|
100
|
125
|
145
|
160
|
180
|
b
|
PN01 PN10
|
16
|
18
|
20
|
22
|
n-Φ
|
PN01 PN10
|
4-14
|
4-18
|
8-18
|
fl×D2
|
PN01 PN10
|
2×56
|
3×56
|
3×76
|
3×84
|
3×99
|
3×118
|
3×132
|
3×156
|
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应用领域Applications have:
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