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 ISO 9001 / ISO 14001

Catalog  No.BKV0010

Series

Three

 Advanced Features!

Stepless variable control of gases and liquids

High-precision hysteresis 

(1/2 that of previous models)

Initial setting possible without external input

Stepless variable control of gases and liquids

High-precision hysteresis 

(1/2 that of previous models)

Initial setting possible without external input

Environmentally friendly

RoHS Compliant Product

Environmentally friendly

RoHS Compliant Product

Fluid Control Equipment

Proportional Control Valves

Flow Rate

Flexibility

Summary of Contents for KFPV050 Series

Page 1: ...ls Initial setting possible without external input Stepless variable control of gases and liquids High precision hysteresis 1 2 that of previous models Initial setting possible without external input Environmentally friendly RoHS Compliant Product Environmentally friendly RoHS Compliant Product Fluid Control Equipment Proportional Control Valves Flow Rate Flexibility ...

Page 2: ...t values Zero point switch off function ensures valves are completely closed Built in temperature compensation circuit Two potentiometers enable current value settings at which the valve starts to open and at which the valve is fully open to adapt application requirements LED monitor indicator Stepless variable control of gas and liquid flow rate High precision specifications In combination with t...

Page 3: ...rates This single control valve can cover what was previously done by using several conventional ON OFF type solenoid valves to control flow rates in a few steps Application Example Controlling water flow Example of connection circuit configuration Solenoid Solenoid FG FG Monitor voltage Monitor voltage Input signal Input signal Power supply Power supply No polarity To the frame ground 4 to 20mA o...

Page 4: ...es such as flammable or ignitable substances This product is not explosion proof It could ignite or burst into flames While the product is in operation avoid touching it with your hands or otherwise approaching too close In addition do not make any adjustments to the interior or to the attached mechanisms connecting and disconnecting of wiring connectors piping tubes or plugs while in operation It...

Page 5: ...device is turned off affecting the operations of surrounding equipment Use solenoids with surge suppression or take countermeasures in the electrical circuits for surges and electromagnetic waves Do not use the product where ozone may be generated such as near ocean beaches or other places subject to direct sunlight or mercury lamps Ozone can cause rubber parts to deteriorate which can lead to deg...

Page 6: ...nction of the product If use in such conditions is unavoidable always provide a cover or other adequate protective measures Location directly exposed to dripping water or oil Environment where the valve body is subjected to dew condensation Location directly exposed to metal chips dust etc Storage For long term storage after using water as a medium be sure to completely remove any water remaining ...

Page 7: ...ontrol systems under actual application conditions and fully perform checks for responsiveness stability effectiveness and other characteristics Wiring instructions 1 Electrical connection When using a DIN connector KFPZ 39 insert a gasket and connect it to the solenoid s flat contacts Limit the cable length to 50m 164ft or less Avoid installing wiring parallel to high voltage lines or power lines...

Page 8: ...steel 10 90 14 194 no freezing allowed Direct acting type 0 55 32 131 21 10 6 2 26 10 4 or less Any IP65 equivalent Detailed Specifications Notes 1 For the component part materials see p i Inner Construction and Major Parts 2 Mounting so that the solenoid portion faces upward is recommended to prevent accumulation of foreign material etc Item Models KFPV050 2 20 KFPV050 2 30 KFPV050 2 40 Port size...

Page 9: ...ility 5 or less 2 or less 2 or less 10 1 Proportional Control Valve Order Codes DC24V 02 39 39N BR S4 FM 20 30 40 2 KFPV050 Model Circuit configuration 2 2 port Orifice diameter 20 φ2 0mm 30 φ3 0mm 40 φ4 0mm Seal material FM FKM Valve body material BR Brass S4 SUS304 Port size 02 Rc1 4 Voltage DC24V Piping specification 39 With DIN connector 39N Without DIN connector The Controller is sold separat...

Page 10: ...pliable cable outer diameter φ4 0 157 φ11 0 433 39 D I Nconnector 39 or to be ordered separate part KFPZ 39 53 2 087 43 1 693 17 0 669 Width across flats 26 5 1 043 46 1 811 O U T IN 33 1 299 4 M4 0 7 Depth 7 0 276 71 8 2 827 4 5 0 177 2 Rc1 4 32 1 260 24 0 945 11 0 433 37 2 1 465 24 0 945 ...

Page 11: ...he Controller for Proportional Control Valve KFPC1 F07 DN DC24V Connection terminals SOL Valve actuation output no polarity SOL Valve actuation output no polarity FG Ground for valve FG Frame ground for power SV Monitor output SV Monitor output IN Standard signal input IN Standard signal input 24V Power supply input 0V Power supply input Potentiometers MAX For setting current value I2 at which the...

Page 12: ...KFPC1 F07 DN 84 7 3 335 81 3 189 41 1 614 30 2 1 189 6 5 4 3 2 1 OFF ON ZERO SIGNAL PWM POW AUTO MAX MIN 0V 24V IN IN SV SV FG FG SOL SOL 142942 MIN MAX RAMP 50 1 97 60 2 36 67 2 64 Remark For Controller instructions see the User s Manual packaged with the product ...

Page 13: ...on pressures Ph and Pl show absolute pressure How to use the graph When there is no diagram for the valve flow rate coefficient Cv in the above graph Multiply the Cv of the valve being used by the flow rate at Cv 1 read out from the graph to calculate the flow rate Example At Cv 1 value read out from the graph Q 20R min 0 706ft 3 min for the desired pressure difference When the flow rate coefficie...

Page 14: ... Pl Ph 0 5283 2 When Pl Ph 0 5283 How to use the graph The above graph shows the flow rate when the flow rate coefficient Cv 1 When Cv 1 multiply the Cv of the valve being used by the flow rate read out from the graph to calculate the flow rate Example Value read out from the graph Q 500R min 17 65ft 3 min ANR for the desired P1 and P2 When the flow rate coefficient for the valve being used is Cv ...

Page 15: ...meter per second expresses the kinematic viscosity of a fluid for which the density is 1kg m3 and the viscosity is N S m2 Newton seconds per square meter A conversion table for each of these units is shown below Maximum operating pressure The maximum pressure to which the proportional control valve can be pressurized during operation Operating pressure differential The difference between the inlet...

Page 16: ...ed made inoperative or not periodically checked for proper functioning Any operation beyond the rated capacity any improper use or application or any improper installation of the product or any substitution upon it with parts not furnished or approved by KOGANEI CORP shall void this warranty This warranty covers only such items supplied by KOGANEI CORP The products of other manufacturers are cover...

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