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Electric three-way regulating valve
Composed of PSL series and 3810 series linear electric actuators and three-way regulating valve body. (Also available with other brands of linear actuators). The electric actuator is an electronic integrated structure with a servo amplifier. The input control signal (4-20mADCor1-5VDC) and power supply can control the opening of the valve to achieve the adjustment of pressure, flow, liquid level, temperature and other parameters. Electric three-way regulating valve has the characteristics of sensitive operation, simple connection, large flow, small size and high adjustment accuracy. Control accuracy and characteristics can significantly improve the DKZ type. Electric three-way regulating valve has the advantages of high precision, stable and reliable operation. Electric three-way confluence regulating valve is mainly used to mix the two fluids into a third fluid; the electric three-way diversion regulating valve is mainly used to divide a fluid into two fluids. Electric three-way regulating valve products can replace two single- and two-seat regulating valves that are mutually switching, used for the adjustment and control of liquid, gas, steam and other media.
| Nominal diameter(DN) | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | |
| Valve seat diameter(dn) | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | |
| Rated flow coefficient(KV) |
Diverter valve | 6.3 | 8.5 | 13 | 21 | 34 | 53 | 85 | 135 | 210 | 340 | 535 | 800 | 1360 |
| Confluence valve | - | - | - | - | - | - | 85 | 135 | 210 | 340 | 535 | 800 | 1360 | |
| Allowable pressure difference(MPa) |
3.5 | 3.2 | 2.2 | 2.2 | 1.4 | 1.38 | 0.94 | 0.61 | 0.51 | 0.36 | 0.2 | 0.19 | 0.13 | |
| Nominal pressure(MPa) | 1.6、2.5、4.0、6.4、10.0 | |||||||||||||
| Rated route(mm) | 16 | 25 | 40 | 60 | 100 | |||||||||
| Valve cover type | Standard type(-17～+250℃)、High temperature type(+250～+450℃)、Low temperature type(-40～-196℃)、Bellows sealed type(-40～+350℃) |
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| Capping type | Bolt compression type | |||||||||||||
| Seal packing | V type PTFE packing、V type flexible graphite filler | |||||||||||||
| Valve core type | Double-oriented sleeve valve | |||||||||||||
| Flow characteristics | straight line characteristics、percentage | |||||||||||||
| Configure Actuator series | 381L Series Electric Actuator、PSL series electric actuator、(also specify other brand actuators) | |||||||||||||
| Actuator parameters | voltage：220V/50Hz、input signal：4-20mAor1-5V·DC、output signal：4-20mA·DC | |||||||||||||
| Protection level：Equivalent toIP55、Separate explosion levels：Exd ⅡBT4(ExdⅡBT6Special custom)、Hand operation function：handle | ||||||||||||||
| environment temperature：-25～+70℃、environment humidity：≤95% | ||||||||||||||
| item | standard | ||
| tolerance% | with3810L±2.5； withPSL±1.0 | ||
| difference% | with381L ±2.0； withPSL±1.0 | ||
| dead zone% | 1.0 | ||
| tolerance between start point and end point% |
Electric open | start point±2.5 | end point±2.5 |
| start point±2.5 | end point±2.5 | ||
| Electric close | start point | ±2.5 | |
| end point | ±2.5 | ||
| Rated route tolerance % | ≤2.5 | ||
| Leakage L/h | 0.01%×Valve rated capacity | ||
| Adjustable range R | 30：1 | ||
