Description
The Sporlan Controls 903525 is a 1/2″ Discharge Bypass Valve engineered to maintain consistent compressor head pressure and protect refrigeration and HVAC systems from low-load conditions. Designed by Sporlan — a trusted name in refrigeration controls — this valve automatically bypasses hot discharge gas back to the suction or low-pressure side of the system, preventing compressor short-cycling and ensuring stable operation across varying load conditions.
Key Features
- 1/2″ connection size for straightforward integration into existing refrigeration piping
- 0–80 PSI operating pressure range for precise, adjustable bypass control
- Discharge bypass design maintains minimum head pressure during low-load or low-ambient conditions
- Helps prevent compressor short-cycling and protects system components
- Durable construction built to Sporlan’s high-quality manufacturing standards
- Suitable for use in commercial refrigeration and HVAC systems
Applications
- Commercial refrigeration systems requiring head pressure control
- Low-ambient cooling applications
- Systems subject to variable load conditions
- Walk-in coolers, display cases, and other refrigeration equipment
Specifications
- SKU: 903525
- Brand: Sporlan Controls (Parker-Sporlan)
- Connection Size: 1/2″
- Valve Type: Discharge Bypass Valve
- Pressure Range: 0–80 PSI
Trust Sporlan Controls and Jackson Systems to deliver the refrigeration components your system demands. The 903525 Discharge Bypass Valve is an essential component for maintaining reliable, efficient operation in demanding refrigeration environments.







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