HMT/HDT Pneumatic 3-Way Control Valves are designed for precise flow regulation in industrial process control systems. The HMT series is optimized for mixing applications, while the HDT series is designed for diverting service. Equipped with compact, high-output diaphragm actuators, these valves deliver reliable control performance across a wide range of operating conditions.

Available in multiple sizes, pressure classes, and material options, HMT/HDT control valves are suitable for demanding applications involving temperature regulation, fluid distribution, and process automation.

Key Features:

• Three-way mixing and diverting flow control
• Compact, high-output pneumatic diaphragm actuator
• Suitable for large port sizes and high differential pressure services
• Wide temperature range from -196°C to +450°C
• Available in sizes from 3/4" to 16"
• ANSI Class 150 to 600LBpressure ratings
• Linear flow characteristics for accurate process control
• Multiple body material options for corrosive and high-temperature media
• Optional bellows seal design for enhanced leakage protection
• Supports a wide range of automation accessories

Performance Benefits:

• Precise temperature and flow control
• Stable operation under varying process conditions
• High reliability in continuous industrial service
• Flexible configuration for diverse process requirements
• Suitable for both standard and severe service applications

Typical Applications:

• Heat exchangers and heat transfer systems
• Chemical processing plants
• Oil and gas facilities
• Petrochemical operations
• Power generation systems
• Industrial process automation
• Water treatment and utility systems
• Steam and thermal control applications

Technical Highlights:

• Valve type: Three-way globe control valve
• Flow characteristic: Linear
• Rangeability: 30:1
• Leakage: IEC 60534-4 Class IV
• Linearity: Within ±1% F.S.(with positioner)
• Hysteresis: Within 1% F.S.(with positioner)
• Available with diaphragm or piston actuators
• Multiple flange and welding connection options

Designed for accurate mixing and diverting control, HMT/HDT pneumatic three-way control valves help improve process efficiency, system stability, and operational reliability across a wide range of industrial applications.

Contact us to discuss customized control valve solutions.