The 020-1057 is a check valve designed for use in refrigeration and air conditioning systems. It features solder connections with ODF (outer diameter female) fittings on both the inlet and outlet, specifically a straightway configuration with a 3/8" connection size. The valve incorporates a built-in damping piston, making it suitable for installation in lines where pulsation may occur, such as discharge lines from compressors. It ensures correct flow direction and helps address resonance issues at partial thermal loads, contributing to system stability. The 020-1057 is compatible with various refrigerants, including R22, R134a, R404A, R507, and R407A.
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