|
公称通径DN(mm)
Nominal diameter
|
20
|
25
|
40
|
50
|
65
|
80
|
100
|
150
|
200
|
可调比（R)
adjustable ratio
|
50:1
|
|
额定流量系数
Rated flow coefficient
(KV)
|
直线
straight line
|
1.8
|
2.8
|
4.4
|
6.9
|
11
|
17.6
|
27.58
|
44
|
69
|
110
|
176
|
275
|
440
|
690
|
环境温度（℃）
Ambient temperature
|
-40∽+85
|
|
等百分比
Equal percentage
|
1.6
|
2.5
|
4
|
6.3
|
10
|
16
|
25
|
40
|
63
|
100
|
160
|
250
|
400
|
630
|
控制信号
control signal
|
4∽20mA.DC;20∽100KP2
|
|
额定行程(mm)
Rated distance
|
16
|
25
|
40
|
60
|
基本误差
Inerinsic error
|
不带定位器±5%；带定位器±1.5%
Without locator±5%;With locator±1.5%
|
|
配用执行机构
Supplementary executor
|
|
|
|
|
回差
Repeatability
|
不带定位器±3%;带定位器1%
Without locator3%;With locator1%
|
|
膜片有效面积(cm2)
Effective area of the film
|
350
|
560
|
900
|
死区
Dead band
|
不带定位器1%;带定位器0.8%
Without locator1%;With locator0.8%
|
|
流量特性
Flow property
|
直线；等百分比 Straingt line;Equal percentage
|
泄漏量
Leakage rate
|
按GB/T4213表工中IV 级
According to Grade IVin the table GB/T4213
|
|
公称压力PN（KPa）
Nominal pressure
|
(0.6);1.6;(4.0);6.4;ANSI150LbRF;330Lb.RF
|
阀体
Valve body
|
ZG230-450;ZGICR18Ni9;ZG0CR17Ni12
|
|
使用温度（℃）
Temperature of utilization(℃）
|
-20-+200;-40-+250;-40-+450;-60-+450
|
阀芯
spool
|
ICR18Ni9Ti;OCR17Ni12Mo2
|
|
弹簧范围（KPa）
Range of spring
|
20-100;(40-200);(80-240);(20-60);(60-100)
|
阀座
Valve seat
|
1CR18Ni9Ti
|
|
气源压力(KPa)
Pressure of air supply
|
0.14;(0.25);(0.4)
|
填料
stuffing
|
聚四氟乙烯;柔性石墨
Polytetrafluoroethglene;Flexibce graghite
|
|
气路接管尺寸
Size of gas path fitting
|
内螺纹（Internal thread)M10*1
|
膜片
diaphragm
|
丁晴橡胶
Nitrile rubbdr
|
