ZJHP Pneumatic Diaphragm Single Seat Control Valve
Product Overview
Product OverviewThe ZJHP Pneumatic Diaphragm Single Seat Control Valve is a high-performance industrial valve designed for precise flow control in a wide range of applications. Equipped with a multi-spring diaphragm actuator, it ensures stable operation even under varying pressures and temperatures. Our valve is widely used in industries such as petrochemical, chemical processing, water treatment, and food processing, providing reliable, accurate flow regulation.
Key Features:
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Precise Flow Control: Achieved through a multi-spring diaphragm actuator, offering accurate flow regulation.
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High Temperature & Corrosion Resistance: Made from high-quality materials (ZG230-450, ZGCr18Ni9Ti, etc.) to withstand extreme temperatures and pressures.
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Easy Maintenance: Designed for ease of maintenance, allowing for quick repairs and part replacements, reducing downtime.
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Versatile Sizes: Available in various sizes and configurations to suit different flow, temperature, and pressure requirements.
Technical Specifications
| Component | Specification |
|---|---|
| Valve Type | Straight-through single seat control valve |
| Valve Size | DN20 – DN300 |
| Nominal Pressure | PN16, PN40, PN63, PN100 |
| Material | ZG230-450, ZGCr18Ni9Ti, ZGCr18Ni12Mo2Ti |
| Flange Standard | According to GB9113-2000, JB/T79-94 |
| Temperature Range | Standard type: -20°C to +200°C |
| Heat type: -40°C to +450°C | |
| Low temperature: -60°C to -196°C | |
| Actuator Type | Multi-spring diaphragm actuator |
| Pressure Range | 100kPa – 200kPa |
| Air Pressure | 0.14 – 0.4 MPa |
| Effective Diaphragm Area | 350 cm² to 1400 cm² |
| Signal Input | 4-20mA |
Dimension and Kv Table
| Model | Kv Value | Actuator Model | Effective Diaphragm Area | Travel |
|---|---|---|---|---|
| 20 | 0.2 | ZHA/B-22I | 350 | 10mm |
| 50 | 1.8 | ZHA/B-22 | 350 | 16mm |
| 100 | 44 | ZHA/B-34 | 560 | 40mm |
| 150 | 110 | ZHA/B-45 | 900 | 60mm |
| 200 | 250 | ZHA/B-56 | 1400 | 100mm |
Flow Capacity (Cv Values)
| DN (mm) | Seat Dia (mm) | Rated Cv | Actuator Model | Travel (mm) | |
|---|---|---|---|---|---|
| Linear | Equal % | ||||
| 20 | 5 | 0.2 | – | ZHB-221 | 10 |
| 20 | 7 | 0.5 | – | ||
| 20 | 8 | 0.8 | – | ||
| 20 | 10 | 1.8 | 1.6 | ||
| 40 | 40 | 27 | 25 | ZHB-23 | 25 |
| 100 | 100 | 176 | 160 | ZHB-34 | 40 |
| 300 | 300 | 1600 | 1440 | ZHB-56 | 100 |
Functions and Benefits
Functions and Benefits-
Precise Flow Control: The ZJHP valve ensures highly accurate flow regulation through its diaphragm actuator, which helps maintain stable and controlled fluid flow.
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High Durability: The valve’s materials provide excellent resistance to high temperatures and corrosive environments, making it ideal for harsh industrial conditions.
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Low Maintenance: With its simple yet efficient design, this valve requires minimal maintenance and reduces downtime for repair or replacement.
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Versatility: It is capable of regulating a wide range of fluids, including liquids, gases, and steam, ensuring versatility in various industrial systems.
Applications
The ZJHP Pneumatic Diaphragm Single Seat Control Valve is suitable for use in various industries, including:
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Chemical Processing: Used for precise flow control of corrosive and hazardous chemicals.
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Petroleum & Gas: Reliable performance under high pressure and temperature conditions.
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Water Treatment: Ensures effective flow regulation in water treatment plants.
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Pharmaceutical & Food Processing: Maintains accurate fluid control in production lines, adhering to industry hygiene standards.
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Energy & Power: Controls flow in thermal systems, cooling systems, and other energy-related applications.
Product Advantages
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Precision Flow Control: Ideal for applications requiring precise fluid regulation, ensuring stability and consistency.
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High Reliability & Durability: Suitable for demanding industrial environments, with high resistance to temperature fluctuations and corrosion.
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Wide Range of Applications: Can be used in various industries such as chemical, water treatment, oil & gas, and pharmaceuticals, catering to different operational needs.
