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.