COVNA Products

COVNA HK60-EX-F Series Explosion Proof Electric Ball Valve

Manufacturer of Explosion Proof Electric Ball Valve.
COVNA explosion-proof electric ball valve is your safe and reliable choice. Electric actuators are certified to meet explosion-proof standards in the US, EU, and China, making them suitable for environments where flammable gases are present. COVNA explosion-proof electric ball valve can be automated to minimize labor costs and environmental risks.

We use various international standard flanges to connect the pipeline, making the valve actuator easy to install. COVNA explosion-proof actuator features remote control, visual valve position indication, manual operation, IP68 rating, ensuring the safety and production efficiency of your workplace.

COVNA explosion-proof electric ball valve is your best choice, whether you need a single valve device or the design and installation of the entire valve system. We can provide you with comprehensive services and support.

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HK60-EX-F Series Explosion Proof Electric Ball Valve

Benefits Of Explosion-proof Electric Ball Valves:

Explosion-proof electric ball valve has the advantages of good explosion-proof performance, high precision, corrosion resistance and intelligence. It is a control device suitable for flammable and explosive environments and strict control requirements.

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The explosion-proof electric ball valve is able to achieve the explosion-proof effect by adopting special structural design and materials to suppress the generation of sparks and the spread of flames.

1. Protective housing: The explosion-proof electric ball valve outer casing is made of fireproof and explosion-proof materials, which can withstand external explosion shock waves and high temperatures.

2. Explosion-proof motor: The explosion-proof electric ball valve uses a specially designed explosion-proof motor, which can operate normally in flammable and explosive environments without producing electric sparks.

3. Explosion-proof control manufacturing: The electrical control system of the explosion-proof electric ball valve also needs to be manufactured in an explosion-proof manner, using explosion-proof components and cables different from ordinary equipment, to ensure that any part of the circuit does not produce sparks or arcs.

4. High-standard testing: The explosion-proof electric ball valve needs to undergo a series of strict tests, such as explosion-proof performance testing, temperature testing, electrical performance testing, etc., to ensure that it can work safely and reliably in real explosion environments.

 

Technical Parameters Of HK60-EX-F Explosion Proof Electric Ball Valve:

MediumOil, gas, fuel, etcPort size RangeDN15 to DN400
Temperature Of Media-40℃ to 80℃ (-40℉ to 176℉) (PTFE/PPL Sealing)-40℃ to 350℃ (-40℉ to 662℉) (Metal Sealing)Actuator TypeExplosion Proof Electric Actuator Type
Working Pressure10 / 16 / 20 / 64 bar (145 / 232 / 290 / 928 psi)Body MaterialStainless Steel / WCB
VoltageDC-12V, 24V; AC-24V, 110V, 220V, 380VStructureFlanged ball valve
Voltage Tolerance±10%End ConnectionFlanged (ANSI, JIS, DIN, GB)

 

Dimension Of HK60-EX-F Explosion Proof Electric Ball Valve:

 

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Technical Parameters of Valve Actuator :

  On/Off Type   90 degree rotation. Feedback: The Active Contact Signal, Passive Contact Signal, Resistance, 4-20mA
  Modulating Type  Adjust open/close angle from 0 to 90 degree. AC/DC power supply, signal control and manual override. High torque up to 4000Nm.
  Intelligent Type   Adjust open/close angle from 0 to 90 degree. LED display screen to allow you check the open/close angle easier. AC/DC power
supply,signal control and manual override. High torque up to 4000Nm.
  Field Operation  The Field, Remote Control Switch Regulation And MODBUS, PROFIBUS Field Bus
  Voltage Optional  AC-110V, 220V, 380V, DC-12V, 24V, Special Voltage Can Be Customized
  Protection Class  IP65; Explosion Proof Construction Are Available: EX d II BT4

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Technical Parameters of Valve Body:

  Model  HK60-Q-P  Voltage  24V/12V DC; 110V/220V AC
  MOQ   1 Set  Actuator Type  On Off/ Modulating Control
  Applicable Standard  GB, ANSI, JIS, DIN  No. of Ways  2 Way
  Port Size  DN08~DN100  End Connection  True union
  Operating Pressure  1000 WOG  Media  Water, Air, Gas, Acid base crossoive media
  Body Material   Plastic PVC  Temp. of Media  -10°C to 180°C
  Valve Ball  Stainless Steel  Certification  ISO 9001, CE, TUV, SGS
  Sealing Material  EODM  Warranty  1 Year (12 Months)

 

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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 motorized PVC ball valve in 1/2in to 4in.

● Confirm the valve body material you need. We offer this motorized PVC ball valve in UPVC, CPVC, PPH and PVDF material.

● Confirm the connection standard. We offer this motorized PVC ball 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.

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
  1. Oil and Gas Industry
    • Pipeline Flow and Pressure Control: Used for flow and pressure control in natural gas and oil pipelines to ensure stability during transportation.
    • Gas and Liquid Distribution Systems: Regulates the flow of gases or liquids, ensuring precise control under various operating conditions.
    • Automation of Distribution Systems: Used in refineries and natural gas processing plants to automate fluid distribution and regulate the reaction processes.
  2. Chemical and Petrochemical Industry
    • Reactor Pressure and Flow Control: Used in chemical reactors, storage tanks, and other equipment to control pressure and flow, ensuring stability in the chemical reaction process.
    • Flow/Pressure Regulation: Regulates the flow of liquids or gases in processes such as polymerization, refining, and distillation to ensure efficient production.
    • Steam Control: Regulates the flow and pressure of steam in steam generators and distribution systems.
  3. Water and Wastewater Treatment
    • Water Flow Control: Regulates water flow and pressure in water supply and wastewater treatment systems to ensure normal operation.
    • Gas and Chemical Additions: Regulates the flow of chemicals or gases (such as chlorine or ammonia) added during the water treatment process.
  4. HVAC (Heating, Ventilation, and Air Conditioning) Systems
    • Temperature Control and Airflow Regulation: Used in air conditioning systems to regulate the flow of cooling or heating fluids to maintain the desired temperature.
    • Pressure and Airflow Regulation: Adjusts the flow and pressure of air in ventilation, air conditioning, and humidification systems to ensure indoor comfort.
  5. Food and Beverage Industry
    • Liquid Flow Control: Precisely controls the flow of liquids in processes such as brewing, dairy production, and beverage bottling.
    • Temperature and Pressure Regulation: Regulates temperature and pressure during heating, cooling, and sterilization to ensure product quality and safety.
  6. Pharmaceutical Industry
    • Precision Flow Control: Regulates the flow of liquids and gases in pharmaceutical manufacturing processes to ensure precise control of process parameters.
    • Pressure Control: Adjusts pressure in cleaning and sterilization systems to ensure stable system operation.
  7. HVAC Systems
    • Airflow and Temperature Control: Controls the flow and temperature of air to adjust environmental conditions, ensuring comfort and energy efficiency inside buildings.
  8. Steel and Metallurgical Industry
    • Gas Flow Control: Precisely adjusts the flow of gases such as oxygen and nitrogen during smelting and heating processes to ensure stable furnace temperatures and chemical reactions.
    • Cooling Fluid Flow Regulation: Regulates the flow of cooling fluids in cooling systems to ensure temperature control of equipment.
  9. Thermal and Power Industry
    • Steam and Water Flow and Pressure Control: Regulates the flow of steam and water in boiler systems, heat exchangers, and power plants to ensure efficient operation of thermal systems.
  10. Mining Industry
  • Slurry Flow Regulation: Adjusts the flow and pressure of slurry during transportation and separation processes to ensure efficient extraction and processing of minerals.
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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