PRODUCTS > Control valve > Electronic electric single seat control valve

                  Electronic electric single seat control valve

                  Product model:ZDLM
                  Body material: WCB, 304, 316, 316L
                  Spool material: 304, 316+STL\PTFE
                  Seat material: 304, 316+STL; PTFE
                  Connection: flange, thread, welding
                  Seat form: single seat, two seat, sleeve
                  Pressure levels: PN16, PN25, PN40, PN64, PN100
                  Electric actuator: switch type, regulation type
                  Voltage level: AC380V, AC220V, DC24V and so on

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                  [Standard technical parameter]

                  Body type: single seat, two seat, sleeve

                  Nominal diameter: DN20-DN200

                  Nominal pressure: ANSI150, 300, 600LB, JIS10, 16, 20, 30, 40K, PN1.6, 2.5, 4, 6.4MPa

                  Connection: flange: FF, RF, RJ and LG

                  Flange standards: ANSI, B16.5, JIS, B2201, JB/T79.1, PN1.6MPa, JB/T79.2 thread: DIN, NPT, RC, BSP, G and other welding: GB12224-89

                  Sealing surface form: PN16 convex, PN40, PN63, PN100 concave

                  Material: WCB, 304, 316, 316L

                  Upper valve cover: standard type (-20 ~ +200℃)

                  Structural diagram of single seat valve at low temperature (-60~ -196℃)

                  Heat dissipation type (-40℃~450℃)

                  Bellows seal type

                  Gland type: press plate type

                  Packing: V PVC, PTFE flexible graphite fluoride



                  [Valve structure drawing]

                   

                  [Valve assembly]

                  Spool form: single seat plunger type, two seat, sleeve

                  Spool, valve seat: 304, 316, 316+STL

                  Flow characteristics: equal percentage, linear, quick opening


                   

                  [Actuating mechanism]

                  Form: Electric actuator

                  Action form: Positive action and reaction

                  Control mode: Proportional or switching type

                  Input signals: 4-20Ma, 0-10V, 1-5V, ON-OFF

                  Output signal: 4-20mA or passive contact signal

                  Power supply: AC220V, AC380V, DC24V and so on

                  Explosion proof grade: ExdIIBT4, ExdIICT6 or other (optional)

                  Manual device: with handle


                   

                  Accessories (configured as required)

                  Heater, overload protection


                   

                  [Parameter ]

                  Rating KV: refer to table

                  Flow characteristics: linear, equal percentage, quick opening

                  Adjustable range: 50:1

                  Leakage level: metal seal: less than 0.01 (ANSI, B16.104-1976IV)

                  Soft seal: less than 0.00001%

                  Return difference: ≤ 1%

                  The dead time: ≤ 1%

                  Basic error:±1%



                  [Valve features]
                         The electronic single seat control valve consists of an electronic electric actuator and a single seat valve, suitable for small pressure conditions. Electric actuator built-in servo system, no need to add servo amplifier, input signal and power supply can control the operation. The structure is compact and the fluid channel is S streamlined. The utility model has the advantages of small size, light weight, small pressure loss, large flow rate, large adjustable range, high flow characteristic precision, etc.. Application of precise control of small flow. Such as fine chemicals, food additives, medical flowers, electronics industry.


                  [Adaptive condition]
                         The electronic electric single seat regulating valve consists of direct stroke electronic actuator and through single seat valve. Embedded servo function, standard signal 4-20mA or 1-5V accept a unified DC, the current signal into linear displacement corresponding to the automatic control valve opening, continuous adjustment of the fluid in the pipeline pressure, flow, temperature, level and other parameters. Applicable to leakage requirements strict, low pressure before and after the valve, and a certain viscosity and contain a small amount of fiber media.


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