Description
The Danfoss 034L0045 is a KVL22 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 suction pressure entering the compressor, the KVL22 prevents motor overload and ensures long-term compressor reliability across a wide range of refrigeration applications.
Overview
The KVL22 is a pilot-operated, suction pressure-limiting valve that automatically throttles when the compressor suction pressure exceeds the set point. This protects the compressor motor from drawing excessive current during pull-down or after a system shutdown, making it an essential component in commercial refrigeration systems, supermarket display cases, cold storage, and industrial process cooling.
Key Features
- Crankcase pressure regulator (suction pressure limiting valve) — protects compressors from overload
- 7/8″ solder (ODF) inlet and outlet connections for secure, leak-free installation
- KVL22 series — pilot-operated design for accurate and stable pressure control
- Suitable for use with a wide range of common refrigerants
- Compact, rugged construction for reliable performance in demanding refrigeration environments
- Field-adjustable set point to match system requirements
- Danfoss quality engineering for long service life and minimal maintenance
Application
- Commercial refrigeration systems
- Supermarket display cases and walk-in coolers
- Cold storage and food processing facilities
- Industrial process cooling
- Any application requiring compressor motor protection from high suction pressure
Specifications
- Brand: Danfoss
- Model: KVL22
- Part Number: 034L0045
- Connection Size: 7/8″ Solder (ODF)
- Valve Type: Crankcase Pressure Regulator (Suction Pressure Limiting)
- Operation: Pilot-operated
Why Choose Danfoss KVL22?
Danfoss is a globally recognized leader in refrigeration controls and components. The KVL22 series is trusted by refrigeration contractors and engineers worldwide for its precision, durability, and ease of installation. Proper crankcase pressure regulation is critical to extending compressor life and reducing costly downtime — the Danfoss KVL22 delivers that protection reliably.
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