Description
The Danfoss 034L0049 is a KVL15 crankcase pressure regulator designed to protect refrigeration and air conditioning compressors from excessive suction pressure during start-up and abnormal operating conditions. By limiting the pressure entering the compressor crankcase, this valve prevents motor overload and extends compressor service life — making it an essential component in commercial refrigeration systems.
Product Overview
The KVL15 is a pilot-operated, suction pressure-limiting valve that automatically reduces compressor suction pressure to a safe operating level. It is particularly valuable in low-temperature refrigeration applications where pull-down from high suction pressures can cause compressor motor overloads.
Key Features
- KVL15 crankcase pressure regulator (suction pressure-limiting valve)
- 5/8″ solder (ODF) connection for reliable, leak-free installation
- Protects compressors from overload during pull-down and abnormal operating conditions
- Pilot-operated design for accurate and stable pressure control
- Compact, durable construction suitable for commercial refrigeration applications
- Compatible with a wide range of common refrigerants
- Danfoss quality engineering for long service life and dependable performance
Typical Applications
- Commercial refrigeration systems
- Low-temperature display cases and walk-in coolers/freezers
- Supermarket refrigeration racks
- Air conditioning systems requiring compressor protection
Specifications
- Brand: Danfoss
- Model: KVL15
- Part Number: 034L0049
- Connection Type: 5/8″ Solder (ODF)
- Valve Type: Crankcase Pressure Regulator / Suction Pressure Limiting Valve







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