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Electric Globe Control Valve

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Electric Actuated Double Seated Globe Control Valve

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Electric Globe Control Valve

产品名称:电动双座位地球阀;
名义直径:DN20〜DN300;
Nominal Pressure:1.6MPa,2.5MPa,4.0MPa,6.4MPa,10.0MPa;
流动特征:线性,相等的百分比;
Valve body:double seated globe valve;

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  • Specifications

Electric Actuated Double Seated Globe Control Valve

Theelectric double seated control valveconsists of the PSL series and the 3810L series of electronic actuators anddouble seated globe valve.The power supply ofelectric double seated globe valve为220V.AC 50Hz,包含伺服放大器,位置信号发生器,位置限制开关和阀位置显示。双座位地球阀可以直接接受4-20MADC或1-5VDC的输入信号,以控制阀门的打开,以实现调节介质的压力流量和温度的目的。同时,可以输出(4-20MADC或1-5VDC)位置反馈信号。

The electric double seated globe valve has two upper and lower valve plugs. The thrust of the fluid acting on the upper and lower valve plugs is opposite in direction and close in force.The unbalanced force is small, the allowed differential pressure is large, and the rated flow coefficient is larger than that of single-seated globe valve,but the leakage is larger. It is suitable for clean media where the leakage requirement is not strict and the pressure difference between the upstream and the downstream is large.

Technical Parameters of Electric Double Seated Globe Control Valve:

DN 20 25 32 40 50 65 80 100 125 150 200 250 300
Seat Diameter 20 25 32 40 50 65 80 100 125 150 200 250 300
Rated Kv Linear 10 12.5 19.5 30.5 48.4 76 125 195 305 484 760 1000 1600
Equal Percentage 8 11 17,6 27.5 44 69 110 176 275 440 690 900 1300
Allowed pressure difference(MPa) ≤ PN
PN(MPa) 1.6、2.5、4.0、6.4、10.0
额定旅行(MM) 16 25 40 60 100
Bonnet Type 标准类型(-17++250℃),高温类型(+250+450℃),低温类型(-40〜-196℃),Bellows Type(-40+350℃)
Seal Packing PTFE, flexible graphite
插头类型 double guide cage type plug
Flow characteristic 线性,相等的百分比
执行器Type 381L电动执行器,PSL电动执行器或其他指定的执行器
执行器

Parameter

voltage:220V/50Hz,input signal:4-20mA or 1-5V·DC,output signal:4-20mA·DC
Protection level:IP55,Explosion proof:ExdⅡBT4(ExdⅡBT6 customized),hand function: handle.
Ambient temperature:-25~+70℃;humidity:≤95%.

Main Parts Material of Electric Double Seated Globe Control Valve:

1 Valve Body WCB 304 316 316L
2 Valve Plug 304 304 316 316L
3 Valve Seat 304 304 316 316L
4 指南灌木丛 304 304 316 316L
5 垫圈 PTFE\Graphite gasket PTFE\Graphite gasket PTFE\Graphite gasket PTFE\Graphite gasket
6 Bonnet WCB 304 316 316L
7 Valve Stem 304 304 316 316L
8 Packing PTFE/Graphite PTFE/Graphite PTFE/Graphite PTFE/Graphite
9 Packing Gland WCB 304 316 316L
10 Nut 25 0Cr18Ni9Ti 1Cr18Ni9Ti 1Cr18Ni9Ti

电动双座位阀的尺寸:

DN(mm) 25 32 40 50 65 80 100 125 150 200 250 300
L PN16/25 185 200 220 250 275 300 350 410 450 550 670 770
PN40 190 210 230 255 285 310 355 425 460 560 740 805
PN64 200 210 235 265 295 320 370 440 475 570 750 820
H PN16/25 117 120 139 144 188 208 220 268 278 320 441 503
PN40 124 128 145 150 195 220 230 280 290 335 465 528
PN64 130 135 155 170 205 240 255 295 310 360 480 550
H1 165 185 185 205 245 255 270 335 365 430 560 680
H2 3810L 373 495 495 495 700 700 700 725 725 725 725 725
PSL 465 465 465 465 560 560 560 560 560 788 788 788
A 3810L 225 225 225 225 257 257 257 310 310 310 310 310
PSL 177 177 177 177 182 182 182 182 182 218 218 218

The Features of Electric Double Seated Control Valve:

1. Double-guided electric double seated globe valve with good stability during operation.
2. There are two valve plugs and valve seats. The “four-way” valve body can be easily changed from forward installation to reverse installation without the need to re-select the positive or reaction type of the actuator.
3. Large flow coefficient: Compared with other control valves of the same diameter, the double seated globe valve can flow more fluids. Therefore, in order to obtain the same flow coefficient, the electric double seated control valve can be selected with a smaller thrust of electric actuator.
4. The adjustable range is large, the inherent adjustable ratio is 50, and the flow characteristics have linear and equal percentages.
5. Electric actuators come in many forms and can be used for 4~20mA.DC or 0~10mA.DC.
6.Theelectric double seated globe control valveis suitable for clean media where the leakage requirement is not strict and the pressure difference between the upstream and the downstream is large.

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