Description
Overview
The Sporlan Controls 903588 is a 1-1/8″ discharge bypass valve engineered to deliver reliable capacity control in commercial refrigeration and HVAC systems. By bypassing hot discharge gas back to the low-pressure side of the system, this valve maintains stable suction pressure and prevents compressor short-cycling during periods of reduced load — protecting your equipment and improving overall system efficiency.
Key Features
- 1-1/8″ valve connection size for compatibility with a wide range of commercial refrigeration systems
- Pressure operating range of 0–80 PSIG for precise capacity modulation
- Discharge bypass design diverts hot gas to maintain minimum suction pressure
- Prevents compressor short-cycling under low-load or part-load conditions
- Rugged construction from Sporlan Controls — a trusted name in refrigeration flow control
- Designed for straightforward field installation and long-term, low-maintenance operation
Applications
- Commercial refrigeration systems requiring capacity control
- Walk-in coolers and freezers
- Supermarket display case systems
- HVAC chiller and DX cooling systems with variable load profiles
Specifications
- Brand: Sporlan Controls (Parker-Sporlan)
- SKU / Part Number: 903588
- Connection Size: 1-1/8″
- Valve Type: Discharge Bypass Valve
- Pressure Range: 0–80 PSIG
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