RV Q641F Flanged Pneumatic Ball Valve

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

Feature
Parameter

RV Q641F flanged 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 or home-made electro pneumatic valve positioner and can control operation through inputting 4-20m ADC SINGAL 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 rotate 90° in valve body to realize full Opening and full closing. The product features compact 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 in automatic control system as remote centralized control or local control in petroleum industry. chemical industry teaching appliances, light industry, high pressure equipment pharmaceutical industry, paper-making industry, etc.

Dimensions

DN L H D D1 D2 B f Z-d1
15 130/130/140 249 95 65 45 14/16/16 2 4-14
20 140/140/150 252 105 75 55 14/16/16 2 4-14
25 150/150/165 265 115 85 65 14/16/16 2 4-14
32 165/165/180 268 135 100 78 16/18/18 2 4-14
40 180/180/200 295 145 110 85 16/18/18 3 4-18
50 200/200/250 302 160 125 100 16/20/20 3 4-18
65 220/220/250 392 180 145 120 18/22/22 3 4-18/8-18/8-18
80 250/250/280 528 195 160 135 20/22/22 3 8-18
100 280/280/320 543 215/230/230 180/190/190 155/160/160 20/24/24 3 8-18/8-23/8-23
125 320/320/360 575 245/270/270 210/220/220 85/188/188 24/28/20 3 8-18/8-25/8-25
150 360/360/400 614 280/300/300 295/310/320 210/218/218 2/28/30 3 8-23/8-25/8-25
200 400/400/550 820 335/360/375 295/310/320 295/310/320 26/34/38 3 12-23/12-25/12-30


Technical Parameters and Performance Indicators

DN(mm) 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