RV ZJHN Mini-type Pneumatic Diaphragm Double-seat Control Valve

Hot RV ZJHN Mini-type Pneumatic Diaphragm Double-seat Control Valve - River-Wave is the best RV ZJHN Mini-type Pneumatic Diaphragm Double-seat Control Valve supplier in China.

Brochure
Feature
Parameter

Body of a RV ZJHN Mini-type Pneumatic Diaphragm Double-seat Control Valve is equipped with two valve seats; fluids flow ut from the upper sealing surface and lower sealing surface of a valve plug; the RV ZJHN Mini-type Pneumatic Diaphragm Double-seat Control Valve has a small unbalanced force, is a balancing structure, allows larger using pressure difference, is suitable for occasions with large pressure difference, big flow and not strict requirement on leakage volume, and can be broadly applied to the industrial sectors like oil, chemical industry, pharmacy, metallurgy, power station, etc, to control mediums like gas, liquid, stem, etc.

外形尺寸

公称通径DN(mm) 外形尺寸 重量
L H H1 A PN1.6 PN2.5
PN1.6 PN2.5 常温型 散热型
25 185 205 679 785 117 285 32 34
32 200 220 684 790 120 30 35
40 220 240 774 875 138 38 48
50 250 265 784 885 144 42 52
65 275 295 1011 1158 188 360 76 95
80 300 325 1042 1196 208 92 115
100 350 370 1065 1219 220 110 135
125 410 440 1318 1501 267 470 175 200
150 450 475 1340 1523 278 210 254
200 550 570 1423 1606 320 280 407
250 640 670 1956 2196 440 585 / 676
300 760 800 2196 2257 475 / 950

技术参数和性能指标

公称通径(mm) 阀座直径(mm) 额定流量系数(Kv) 额定行程(mm) 薄膜有效面积㎝² 固有流量特性 固有可调比 公称压力(MPa) 工作温度(℃) 环境温度(℃) 气源压力(Mpa) 弹簧范围(Kpa) 接管尺寸
直线 等百分比
G3/4" 3 0.08 10 20 直线   等百分比快开 50:1 0.6   1.6   4.0   6.4
(ANSI125150
300   600Lb)
(JIS10 16     20
30   40K)
常温型
-20~+200  -40~+450 -60~450   低温型:-250~-60
-40~+85 0.14 (0.2
5    0.4)
20~100(40~200   80~240  20~60   60~100) 螺纹M10×1
4 0.12
5 0.20
6 0.32
7 0.50
8 0.80
20 10 1.8 1.6 16 350 560
12 2.8 2.5
15 4.4 4
20 6.9 6.3
25 25 11 10
32 32 17.6 16
40 32 17.6 16 25
40 27.5 25
50 50 44 40
60 65 69 63 40
80 80 110 100
100 100 176 160
150 125 275 250 60 900
120 440 400
200 200 690 630
250 250 1000 900 100 1400
300 300 1600 1440
350 350