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The Danfoss KVL15 is a crankcase pressure regulator designed for use in refrigeration and air conditioning systems. It controls the suction pressure entering a compressor crankcase, preventing the compressor motor from overloading during startup or after a system shutdown. Without a crankcase pressure regulator, liquid refrigerant or high-pressure gas can flood the crankcase, leading to compressor damage and premature failure. The KVL15 addresses this by limiting crankcase pressure to a safe operating level, protecting the compressor and extending system service life. HVAC and refrigeration technicians rely on this type of valve when servicing commercial refrigeration units, chillers, heat pumps, and industrial cooling systems. The KVL15 features a 16mm inlet and a 16mm outlet, both with solder ODF connection types, making it compatible with standard copper tubing used in refrigeration circuits. It carries a Kv value of 3.2 cubic meters per hour, indicating solid flow capacity for its size class. The maximum working pressure is 18 bar, which covers the operating range of most common refrigerants used in commercial and light industrial applications. The valve is compact and lightweight, with a net weight of 0.325 kilograms and a gross weight of 0.366 kilograms. It fits into tight equipment spaces where a reliable, low-maintenance pressure regulating solution is needed. Refrigeration installers and service technicians will find the KVL15 straightforward to braze into an existing suction line circuit. It is a direct-acting valve, requiring no external power or pilot signal to operate. This makes it a dependable choice for protecting compressors in systems where reliable crankcase pressure management is critical.
The Danfoss KVL15 crankcase pressure regulator provides reliable compressor protection in refrigeration and air conditioning systems by controlling suction line pressure. Its solder ODF connections and compact form factor make it a practical choice for professional refrigeration and HVAC technicians.
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