Self-operated temperature regulating valve

Product Overview

The Self-operated Temperature Regulating Valve is a reliable and energy-efficient solution for precise temperature control in heating, cooling, and process systems. Utilizing the thermal energy of the process fluid, it automatically adjusts to maintain set temperature levels without the need for external power sources. Its robust design and self-operating mechanism make it ideal for applications in HVAC systems, industrial processes, and energy management.

Applications

HVAC Systems: Temperature control in heating and cooling circuits.
Industrial Processes: Thermal management in chemical reactors and heat exchangers.
Energy Management: District heating and cooling systems.
Food & Beverage: Temperature regulation in pasteurization and sterilization processes.

Key Features

Self-Operating Mechanism

• No External Power: Utilizes thermal energy of the process fluid for operation.
• Direct-Acting Design: Simple and reliable, with minimal moving parts.
• Set Temperature Range: 20°C to 150°C (68°F to 302°F), adjustable via adjustment knob.

Valve Design

• Body Types: Globe, angle, or Y-pattern for different flow conditions.
• High Sealing Performance: ANSI Class IV (standard) / Class VI (optional).
• Temperature Range: Suitable for process temperatures up to 200°C (392°F).

Flow Characteristics

• Trim Options: Linear or equal percentage flow characteristics.
• Flow Coefficient (Cv): 2.5–120 (DN15–DN100).
• Customizable Flow Curves: Tailored to specific process requirements.

Materials & Durability

• Body Materials: Carbon steel (WCB), 316L Stainless Steel (CF8M), Duplex (UNS S32205).
• Trim Materials: Stellite 6, Tungsten carbide, or ceramic coating.
• Seals: Graphite, PTFE, or metal bellows (-40°C to 450°C).

Compatibility

• Process Fluids: Water, steam, thermal oil, and non-corrosive liquids.
• Accessories: Temperature sensors, bypass valves, and strainers.

Operational Advantages

Energy Efficiency: No external power required, reducing operational costs.

Precision Control: Maintains set temperature within ±2°C accuracy.

Low Maintenance: Simple design with minimal moving parts.

Versatility: Suitable for water, steam, and thermal oil applications.

Comparison with Electrically Operated Valves

Selection Guidelines

High Temperature: Opt for metal bellows seals for temperatures up to 450°C.

Corrosive Media: Choose 316L body with Hastelloy trim.

High Cycling: Rotary seat design for 50,000+ cycles.

Steam Applications: Select steam-rated materials and trim.