RV Q641F Ultra-short Pneumatic Ball Valve

River-Wave is one of the top-pest RV Q641F Ultra-short Pneumatic Ball Valve in China.During these years of exporting , River-Wave now has rich experience in the worldwide markets

Feature
Parameter

RVQ641F ultra-short pneumatic ball valve is  a specially designed and carefully manufactured product on the basis of introducing foreign advanced technology. Through intelligent control and positioning, the product matches with Siemens electro pneumatic valve positioned or home-made electro pneumatic valve positioned and can control operation through inputting 4-20m ADC signal and 0.4-0.7Mpa gas source to realize adjustment of pressure, flow, temperature, liquid level, etc. The product is powered by compressed air. Valve rod drives valve plug o rotate 90°in valve body to realize full opening and full closing. The product is divided into metallic seal and soft seal by its sealing performance. The product features compact structure, small volume ,high operating reliability, good sealing performance, structure, small volume, high operating reliability, good sealing performance, easy maintenance, convenient installation and high adaptability, etc. The product is especially suitable for sticky and particle and fiber-contained medium, The product is widely applied to foodstuff industry, environmental protection industry, water treatment industry, light industry, petro chemical industry, paper-marking industry, etc.

外形尺寸

DN d L H D D1 D2 b f lo
15 14 35 298 90 65 45 14/16 2 180
20 19 38 305 100 75 55 14/16 2 180
25 25 42 320 110 85 65 14/16 2 180
32 29 50 350 130 100 78 16/18 2 220
40 38 60 380 145 110 85 16/18 3 220
50 48 70 412 160 125 700 16/20 3 260
65 64 95 422 180 145 120 18/22 3 260
80 76 118 465 190 160 135 20/22 3 296
100 95 140 508 215/230 180/190 155/160 20/24 3 350
125 18 175/195 555 245/270 210/220 185/188 24/28 3 350
150 150 210/260 678 280/300 240/250 210/218 24/28 3 439

技术参数和性能指标

公称通径DN 15 20 25 32 40 50 65 80 100 125 150 200 250 300
额定流量系数(Kv) 20 38 72 110 170 215 380 550 890 1400 2000 3580 5650 8100
可调动作范围 0~90℃(调节型为10~90)
允许压差 小于公称压(1.6MPa)
泄漏量 按AP1598标准测试 零泄漏
环境温度 -20℃~80℃
基本误差 ±2.5%
回差 ±2.5%
死区 1%(注明:0~10%为不可调节状态)
可调比 250:1 350:1