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Electric sleeve control valve
Composed of a valve body, a valve seat, a sleeve, a valve core, a guide sleeve, a valve cover, and Seal packing and Electric Actuator. Electric sleeve control valve receives the signal of the industrial automation control system (such as: 4~20mAor1~5V) to drive the valve to change the cross-sectional area between the valve plug and the valve seat to control the process parameters such as the flow, temperature and pressure of the pipeline medium. Automated adjustment function. Electric sleeve control valve fluid channel into S-type, low pressure drop, flow, Flow characteristics of high precision, Adjustable range wide. It is a high-characteristic electric control valve for fluids of various pressures and temperatures and for applications where leakage is not critical. The Electric sleeve control valve has the characteristics of sensitive action, simple connection, large flow, small size and high adjustment precision. Electric sleeve control valve is widely used in automatic control systems of electric power, metallurgy, petroleum, chemical, pharmaceutical, boiler, light industry and other industries.
| 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) |
straight line | 10 | 11 | 17.6 | 27.5 | 44 | 69 | 110 | 176 | 275 | 440 | 630 | 1000 | 1600 |
| percentage | 6.3 | 10 | 16 | 25 | 40 | 63 | 100 | 155 | 250 | 370 | 580 | 900 | 1300 | |
| Allowable pressure difference(MPa) |
6.4 | 6.4 | 5.2 | 5.2 | 4.6 | 4.6 | 3.7 | 3.7 | 3.5 | 3.1 | 3.1 | 2.6 | 2.2 | |
| 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℃) | |||||||||||||
| Capping type | Bolt compression type | |||||||||||||
| Seal packing | V type PTFE packing、V type flexible graphite filler | |||||||||||||
| Valve core type | Balanced valve plug (sleeve guide) | |||||||||||||
| 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：ExdⅡBT4(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 | ||
