Description
Parker-Sporlan CROT-6 Crankcase Pressure Regulating Valve
The Parker-Sporlan CROT-6 (Part No. 900553P) is a crankcase pressure regulating valve engineered to protect refrigeration and air conditioning compressors from overload conditions during system pulldown. By limiting the suction pressure entering the compressor, this valve prevents excessive motor amperage draw and safeguards the compressor against damage caused by high-load startup conditions.
Key Features
- Crankcase pressure regulating valve — limits suction pressure to the compressor during pulldown
- Pressure range: 0–60 PSIG, field-adjustable to suit a wide range of system requirements
- Connection size: 1/2″ ODF (sweat) for easy field installation
- Compact, rugged construction built to Parker-Sporlan’s industry-leading quality standards
- Designed for use in commercial refrigeration and air conditioning systems
- Helps extend compressor life by preventing motor overload on system startup
Application
The CROT-6 is installed in the suction line between the evaporator and the compressor. During initial system startup or after a defrost cycle, evaporator pressures can be elevated, causing the compressor to draw excessive current. The CROT-6 throttles suction pressure to a safe, preset level, allowing the compressor to pull down gradually and operate within its designed load limits.
Specifications
- Part Number: 900553P
- Model: CROT-6
- Pressure Range: 0–60 PSIG
- Connection: 1/2″ ODF (sweat)
- Brand: Parker-Sporlan
- Type: Crankcase Pressure Regulating Valve
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