Overview
The Spirax Sarco 31D-37D is a self-acting temperature control valve from the renowned Spira-trol SA product line. Spira-trol is a modular valve based on 4 body sizes covering DN15-100 (DN15-25, DN32-50, DN65-80, DN100) sizes, offering flexible sizing for diverse industrial applications. This valve is designed for precision thermal management in steam systems and general industrial fluid control.
Key Features
- Self-acting temperature control valve with proven Spirax Sarco engineering
- Part of the modular Spira-trol SA range for standardized maintenance and serviceability
- Suitable for both steam and general industrial fluid applications
- Compact, reliable design for critical thermal control processes
- New in box condition, ready for immediate installation
Technical Specifications
The 31D-37D conforms to international standards for industrial control valves and is constructed to ensure long-term reliability in demanding applications. Installation and operation should follow Spirax Sarco’s comprehensive maintenance documentation.
Typical Applications
- Steam line temperature modulation and regulation
- Thermal energy management in industrial processes
- Heating system temperature control
- Fluid conditioning in manufacturing environments
- On/off and modulating control scenarios
Compatibility & Replacements
Compatible With
- Spirax Sarco steam and condensate systems
- Standard piping connections (DN sizing per specification)
- Pneumatic and electric actuator systems (when configured appropriately)
- Industrial fluid control applications within rated parameters
Replaces / Drop-In Replacement For
Verify compatibility with your system integrator before ordering. Direct replacement eligibility depends on connection type, sizing, and system configuration specific to the 31D-37D variant.
Works With
- Spirax Sarco PN9000 series and compatible actuators
- Standard industrial valve control systems
- Modulating and on/off control strategies
- Thermal management instrumentation
