Solenoid valve 2WK series

Hered 2WK Series 2-Way Normally Open Solenoid Valve: High-performance NO valve for precise fluid control. Available in G1/4″ to G2″ port sizes, with orifices from 2.5mm to 50mm. Cv values range from 0.23 to 48. Suitable for air, water, and oil. Features fast response (<20ms), 00.7MPa working pressure, and -585°C temperature range. Durable brass body with NBR seal (Viton/EPDM optional). IP65 protection, multiple voltage options (12VDC to 240VAC). Ideal for pneumatic systems, industrial automation, and process control. Offers fail-safe operation, rapid response, and versatile performance. Choose Hered 2WK Series for reliable, efficient fluid management in normally open configurations. Combines precision with durability for optimal performance in demanding environments. Contact Hered Pneumatic for expert guidance in selecting the perfect normally open solenoid valve for your specific fluid control needs.

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Hered 2WK Series 2-Way Normally Open Solenoid Valve

Hered Pneumatic Co., LTD.’s 2WK Series Solenoid Valve is a high-performance, 2-way normally open (NO) valve designed for precise control of fluids and gases in various industrial applications. With its fast response time and versatile operating range, this direct acting valve offers reliable performance in pneumatic systems, industrial automation, and process control environments where a normally open configuration is required.

Key Features

  • 2-way, normally open (NO) configuration
  • Direct acting (poppet) mechanism for rapid response
  • Fast response time: less than 20 ms
  • Wide operating pressure range: from vacuum to 150 PSI
  • Multiple port size options for flexible integration
  • Durable brass body construction
  • Various seal material options for different media compatibility
  • 100% ED (continuous duty) capability
  • IP65 ingress protection for reliable operation in harsh environments

Technical Specifications

Model Port Size Orifice (mm) CV Value
2WK025-08 G1/4″ 2.5 0.23
2WK160-10/15 G3/8″ / G1/2″ 16 4.8
2WK200-20 G3/4″ 20 7.6
2WK250-25 G1″ 25 12
2WK350-35 G1 1/4″ 35 24
2WK400-40 G1 1/2″ 40 29
2WK500-50 G2″ 50 48

General Specifications

  • Fluid: Air, Water, Oil
  • Action Mode: Direct-acting Type (2WK025-08 to 2WK250-25), Pilot-operated Type (2WK350-35 to 2WK500-50)
  • Fluid Viscosity: Under 20CS
  • Working Pressure: Water/Oil: 0~0.5MPa, Air: 0~0.7MPa
  • Proof Pressure: 1.0MPa
  • Temperature Range: -5~85°C
  • Working Voltage Range: ±10%
  • Body Material: Brass
  • Seal Material: NBR (Viton and EPDM options available)
  • Coil Power: 20VA

Electrical Specifications

  • Voltage Options: 12 VDC, 24 VDC, 24 VAC, 110/120 VAC (50/60 Hz), 220/240 VAC (50/60 Hz)
  • Voltage Tolerance: ±10% of specified voltage
  • Ingress Protection: IP65
  • Insulation Class: H class

Dimension

Model

Port Size

A

B

C

2WK160-10

G3/8

67.5

55.5

124.5

2WK160-15

G1/2

67.5

55.5

124.5

2WK200-20

G3/4

73

55.5

130

2WK250-25

G1

94

72.5

136.5

2WK350-35

G1 1/4

120

92.5

151.5

2WK400-40

G1 1/2

122

92.5

157.5

2WK500-50

G2

129

95

170

Applications

  • Pneumatic control systems
  • Industrial automation processes
  • Water treatment and management
  • Oil and gas industry
  • HVAC systems
  • Food and beverage processing
  • Chemical processing
  • Vacuum systems

Benefits

  • Normally open configuration for fail-safe applications
  • Rapid response time for precise fluid control
  • Versatile operation across a wide pressure range
  • Durable construction for extended service life
  • Multiple size options to suit various flow requirements
  • Reliable performance in demanding industrial environments
  • Energy-efficient operation with low power consumption

Hered Pneumatic Co., LTD.’s 2WK Series 2-Way Normally Open Solenoid Valve offers exceptional performance and reliability for diverse fluid control applications. With its fast response time, versatile media compatibility, and robust construction, this valve series ensures precise and efficient fluid management in your industrial systems. Choose Hered’s 2WK Series for uncompromising quality and dependable operation in your normally open valve requirements.

For more information, customization options, or to place an order, please contact our sales team. We’re committed to helping you find the perfect Hered 2WK Series Solenoid Valve tailored to your specific fluid control needs.