HERED PRODUCTS
Pneumatic Solenoid Valve 2WBK
Hered 2WBK Series Stainless Steel Pneumatic Solenoid Valve: High-performance NO valve for precise fluid control. Available in G1/2″ to G2″ port sizes, with flow apertures from 16mm² to 50mm². Cv values range from 4.8 to 48. Suitable for air (0-7.0 kgf/cm²), water, and oil (0-5.0 kgf/cm²). Features pilot-operated design, -5~85°C operating range, and 20VA coil power. Corrosion-resistant stainless steel 304 body with NBR seal. Ideal for industrial processes, water treatment, and food/beverage applications. Offers fail-safe operation, versatile fluid compatibility, and reliable performance. Choose Hered 2WBK Series for durable, efficient fluid management in demanding environments. Combines robust construction with precise control for optimal performance across diverse industries. Contact Hered Pneumatic for expert guidance in selecting the perfect normally open stainless steel solenoid valve for your specific fluid control needs.
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Product details
Hered 2WBK Series Stainless Steel Pneumatic Solenoid Valve
Hered Pneumatic Co., LTD.’s 2WBK Series Stainless Steel Pneumatic Solenoid Valve is a high-performance, 2-way normally open valve designed for precise control of fluids and gases in various industrial applications. Featuring a pilot-operated design and stainless steel construction, this valve offers exceptional reliability and durability in demanding environments.
Key Features
- Pilot-operated design for efficient operation
- Normally open configuration
- Stainless steel 304 body for excellent corrosion resistance
- NBR sealing for compatibility with various media
- Wide range of port sizes for versatile application
- Suitable for air, water, and oil
Technical Specifications
| Parameter | Specification |
|---|---|
| Port Sizes | G1/2, G3/4, G1, G1 1/4, G1 1/2, G2 |
| Operating Pressure | Water and oil: 0~5.0 kgf/cm²; Air: 0~7.0 kgf/cm² |
| Working Environment Temperature | -5~85°C |
| Material | Body: Stainless steel 304, Seal: NBR |
| Type | Normally open |
| Motion Pattern | Pilot type |
| Fluid Viscosity | Under 20CS |
| Max. Proof Pressure | 10 kgf/cm² |
| Operating Voltage Range | ±10% |
| Coil Power | 20VA |
Model Specifications
| Model | Port Size | Flow Aperture (mm²) | Cv Value |
|---|---|---|---|
| 2WBK160-15 | G1/2 | 16 | 4.8 |
| 2WBK200-20 | G3/4 | 20 | 7.6 |
| 2WBK250-25 | G1 | 25 | 12 |
| 2WBK350-35 | G1 1/4 | 35 | 24 |
| 2WBK400-40 | G1 1/2 | 40 | 29 |
| 2WBK500-50 | G2 | 50 | 48 |
Dimension

| Model | Aperture | A | B | C |
| 2WBK160-15 | G1/2 | 69 | 56 | 125 |
| 2WBK200-20 | G3/4 | 74 | 56 | 131 |
| 2WBK250-25 | G1 | 98 | 76 | 140 |
| 2WBK350-35 | G1(1/4) | 116 | 87 | 146 |
| 2WBK400-40 | G1(1/2) | 122 | 94 | 158 |
| 2WBK500-50 | G2 | 129 | 95 | 170 |
Applications
- Industrial process control
- Water treatment systems
- Food and beverage processing
- Chemical processing
- HVAC systems
- Pneumatic control systems
- Oil and gas industry
Benefits
- Corrosion-resistant stainless steel construction for harsh environments
- Normally open configuration for fail-safe applications
- Pilot-operated design for efficient and reliable operation
- Wide range of sizes to suit various flow requirements
- Suitable for multiple fluid types including air, water, and oil
- High-performance in demanding industrial environments
Hered Pneumatic Co., LTD.’s 2WBK Series Stainless Steel Pneumatic Solenoid Valve offers exceptional performance, durability, and versatility for diverse fluid control applications. With its corrosion-resistant construction and reliable pilot-operated design, this valve series ensures precise and efficient fluid management in even the most challenging industrial environments. Choose Hered’s 2WBK 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 2WBK Series Solenoid Valve tailored to your specific requirements.
