COVNA Products

COVNA HK60ZS Multi-Turn Electric Gate Valve

Multi-turn electric gate valve

for fully open and fully close. With features of high flow rates and remote control. Widely used for paper and pulp, power plant, chemical industry, iron industry and so on. Gate valve available in ANSI, JIS, DIN, GB standards. Electric knife gate valve is also available for your project!
As an electric actuator valve manufacturer, we manufacture ball valves, butterfly valves, gate valves, globe valves with electric actuators for you. Consult us to get a better quote!

Model

  • Actuator Type: Multi-Turn Electric Gate Valve Actuator
  • Body Material: WCB, CF8, CF8M
  • Pressure: 10 / 16 / 20 / 40 / 64 bar (#150 / #300 / #400 / #600 / #900)
  • Temperature Of Media: -40 to 450℃ (-40℉ to 842℉)
  • Suitable Media: Water, Air, Oil, Gas, Pulp, Cement, etc
  • Voltage: Three-phase: 380V AC. Range: 380VAC ~ 420VAC; Single-phase: 220V AC. Range: 200VAC ~ 240VAC
  • Connection Type: Flanged

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What Is Electric Gate Valve?

An electric gate valve means a gate valve(knife gate valve) driven by a multi-turn electric actuator by the power to fully open or fully close. This means that you can open or close the valve remotely and no need to manually operated it. Save your time and keep you safe. Widely used for various applications like a power plant, shipyards, oil and gas, wastewater treatment, paper and pulp, etc.

Technical Parameters of Valve Body

Valve Body Valve components
Nominal size DN50-DN400 Sealing material PTFE, EPDM
Body Material Stainless Steel Disc Material Stainless Steel
End Connection Flange Ends & Butt welding Ends Stem Material Carbon iron
Operating Pressure ASME CL, 150, 300, 600, 900, 1500, 2500 Applicable media Water, Air, Gas, Petroleum, Oil, Liquid
  Power supply   conventional: single phase 220v, three phase 380v
  special: three phase 400v, 415v, 660v(50Hz, 60Hz)
  Working environment   Ambient temperature: -20 ~ + 60 ℃ (special temperature environment can be customized)
  Relative humidity: 95% (at 25 ° C)
  Protection level   Outdoor type and explosion-proof type are IP55 (IP65, IP67, IP68 can be provided for special order)
  Working system   short time 10 minutes (15-60 minutes for special order)

Features Of HK60ZS Multi-turn Electric Actuated Gate Valve:

● Torque range from 50Nm to 10,000Nm

● Available with 3 phase AC, 1 phase AC and DC motors

● Gate valve available in ANSI, JIS, DIN, GB standards for your choice to meet your pipeline’s requirement

● Good sealing performance, low fluid resistance, labor-saving opening and closing

● Double flow direction, stainless steel and hard alloy sealing surface, and long service life.

● Widely used for power plants, paper and pulp, oil and gas, mining, iron industry and so on

● Available in Profibus Fieldbus, Modbus Fieldbus, Hart Fieldbus, Fieldbus and Device NetFieldbus signal controls

● Stainless steel, WCB and cast iron materials for your choice

Types Of Electric Gate Valves:

Manufacturing motorized gate valves in gate valve type and knife gate valve type for your choice to meet your different requirements

Technical Parameters Of Electric Gate Valve Actuators:

As a top actuator valve manufacturer, COVNA manufactures electric gate valve actuators in all types for your choice to let your automation easier. Suitable for valves with linear movements, well for gate valve and knife gate valve.

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diameter-electric gate valve

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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