COVNA Products

HK60-D-C Cast Iron Fluorine Lined Electric Butterfly Valve

This wafer type butterfly valve is for chemical industry. Adopt PTFE as the seal and disc which has a powerful ability of anti-corrosion. Suitable for acid, alkali, and other media flow control. Disc plate with frame structure, high strength, flow area, flow resistance. The valve with more and more tightly sealed off function, a reliable sealing performance.

  Model  HK60D-C
  Torque Range  50Nm to 400Nm
  Size Range  DN50 to DN400 (2in to 16in)
  Pressure  10bar, 16bar
  Temperature  -10℃ to 180℃(14℉ to 356℉)
  Voltage  DC-12V, 24V; AC-24V, 110V, 220V, 380V
  Medium  Acid, alkali, etc

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Anti-corrosive Electric Butterfly Valve

  • Torque range is 50Nm(442 in-lb) to 2500Nm(22123 in-lb).
  • It could be equipped with on off type actuator, modulating type actuator and intelligent type actuator
  • Easy automation/Retrofit possible/Safe operation
  • Steam lined valve disc ensures lower pressure drop
  • Size range from 2 inch to 16 inch, size ia available to custom

Technical Parameters of Valve Actuator
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  ON/OFF Type  Feedback: the active contact signal, passive contact signal, resistant, 4-20mA
  Regulation Type  Input & Output signal: DC 4-20mA, DC 0-10V, DC 1-5V
  Field Operation  The field, remote control switch regulation and MODBUS, PROFIBUS field bus
  Voltage optional  AC 110-240V 380V 50/60Hz; DC12V, DC24V, Special voltage can be customized
  Protection Class  IP65

  Model  05  10  16  30  60  125  250  400
  Torque Output  50Nm  100Nm  160Nm  300Nm  600Nm  1250Nm  2500Nm  4000Nm

Technical Parameters of Valve Body

  Valve Body  Valve components
  Nominal size  DN50-DN400  Sealing material  PTFE
  Body Material  Cast Iron,WCB,304,316  Disc Material  PTFE
  End Connection  wafer, flange, lug wafer  Feature  Acid and alkali resistant
  Operating Pressure  PN1.0MPa, PN1.6MPa  Applicable media  Water, Air, Gas, Oil, Liquid
  Structure  Midline structure/A-Type  Design standard  ISO, DIN, IDF, SMS, 3A

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Technical Parameter of Valve Body:

  Nominal Size  DN15-DN200  Body Material  PVC, UPV, CPVC, PVDF and PPH
  End Connection  True Union, Double Union Thread  Structure  T Port / L Port
  Operating Pressure  1.0 / 1.6 MPa (10 / 16 bar)  Voltage Tolerance  ±10%
  Suitable Media  Corrosive media, Water, Air, etc  Temperature Of Media  -5~80℃ (23℉~176℉)
  Design standard  ISO, DIN, IDF, SMS, 3A  Orifice(mm) 15, 20, 25, 32, 40, 50, 65, 80, 100

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Package & Shipping:
As a professional electric ball valve manufacturer, COVNA aims to provide our customers the best quality products with the most competitive pricing, on-time delivery and full warranty service with omprehensive service from start to finish, encompassing consultation through to after sales service, full support in every respect and ensure that you are accompanied at each stage of your project.
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Company Profile:
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Factory Profile:
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Company Certificates:
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Purchase Guide:

● Confirm the valve size you need. We offer this Cast Iron Fluorine Lined Electric Butterfly Valve in 1/2in to 4in.

● Confirm the valve body material you need. We offer this Cast Iron Fluorine Lined Electric Butterfly Valve material.

● Confirm the connection standard. We offer this Cast Iron Fluorine Lined Electric Butterfly Valve in ANSI, JIS, DIN, and UK standard.

● Confirm the pressure and working temperature. Pressure and temperature are the important points and those may affect the cost.

● Confirm the voltage you need. The right voltage could help your valve operate better.

● Tell us your medium. Different medium has different features and we will help you to select the valve basic on the medium requirements

● Confirm the actuator type you need. We have on/off type, modulating type, intelligent type, explosion-proof type, IP68 type and auto return type electric valve actuator for your project.

Any requirements please tell us like core material, sealing material, or connection standard. We could help you to custom the valve you need.

More infomation, please send message to us. Quote will be provided within 2 hours! inquiry@covna-china.com

Technical Parameter of Actuators:
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  Model  5  10  16  30  60  125  250  400
  Torque Output  50Nm  100Nm  160Nm  300Nm  600Nm  1250Nm  2500Nm  4000Nm
  90°Cycle Time  20s/60s  15s/30s/60s  15s/30s  15s/30s  30s/60s  100s  100s  100s
  Angle of Rotation  0-90°  0-90°  0-90°  0-90°  0-90°  0-90°  0-90°  0-90°
  Working Current  0.25A  0.48A  0.68A  0.8A  1.2A  2A  2A  2.7A
  Starting Current  0.25A  0.48A  0.72A  0.86A  1.38A  2.3A  2.3A  3A
  Drive Motor  10W/F  25W/F  30W/F  40W/F  90W/F  100W/F  120W/F  140W/F
  Product Weight  3kg  5kg  5.5kg  8kg  8.5kg  15kg  15.5kg  16kg
  Voltage Option  AC 110V, AC 220V, AC 380V, DC 12V, DC 24V
  Insulation Resistance  DC24V:100MΩ/250V; AC110/220V/380V: 100MΩ/500V
  Withstand Voltage  DC24V:500V; AC110/220V:1500V; AC380V:1800V 1Minute
  Protection Class  IP65
  Installation Angle  Any
  Electrical Connection  G1/2 Water-proof Gable Connectors, Electric Power Wire, Signal Wire
  Ambient Temp.  -30℃to 60℃
  Control Circuit
  A: ON/OFF type with light indicator signal feedback
  B: ON/OFF type with passive contact signal feedback
  C: ON/OFF type with resistance potentiometer signal feedback
  D: ON/OFF type with resistance potentiometer and neutral position signal feedback
  E: Regulation type with servo control module
  F: DC24V/DC12V dirct ON/OFF type
  G: AC380V three-phase power supply with passive signal feedback
  H: AC380V three-phase power supply with resistance potentiometer signal feedback
Optional Function  Over Torque protectors, dehumidify heater, stainless steel coupling & yoke

 

The actuator on my automated valve operates, but the valve won’t turn. Why?

Most likely the valve stem or actuator coupling is broken.

The electric actuator limit switches or the pneumatic actuator position stops are not correctly adjusted.

Probably because there is no air pressure to the solenoid or dirt has jammed it. Also, debris might be trapped inside the valve. Or, the air pressure is not sufficient to operate the actuator. Remember: measure air pressure at the actuator, not at the compressor.

Maybe. First, be sure that the actuator torque output is sufficient to turn the valve reliably. Second, you will have to fabricate a custom mounting bracket and coupling to connect the actuator to the valve.

The valve will stop somewhere between full open and close. When power is reapplied to the original circuit, the actuator will complete the cycle.

To make the change just remove the actuator from the valve and turn it, or the valve stem, 90 degrees and remount the actuator.

Remove the actuator from the valve and check the valve stem. Most ball valves have stem flats at right angles to the flow when the valve is in the off position. On butterfly valves check the stem flow arrow marking.

Remove the actuator from the valve and check the valve stem. Most ball valves have stem flats at right angles to the flow when the valve is in the off position. On butterfly valves check the stem flow arrow marking.

Check the electric wiring schematic that came with the actuator for the correct hookup. Sometimes a copy is inside the actuator cover. If it is missing, don’t guess about the connections. Call the manufacturer for a schematic.

The actuator is wired incorrectly (check the schematic accompanying the actuator), or the external control switch is not the correct type for the actuator.

Not unless you bought it with an optional speed control.

Actuators and solenoid valves require different types of electrical control switches. SPDT for actuators, SPST for solenoids. Check the actuator wiring schematic for the correct wiring and switch type.

Still have confused? Contact Us!
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