CLA-VAL 20881504A Pressure Relief Valve is a model-specific relief device from CLA-VAL, identified by the codes 55L-60, 20-200, 3 4 BS 250s. It provides overpressure protection by venting fluid when the system pressure exceeds the valve’s set point, helping protect downstream piping and equipment. The BS 250s designation is part of its specification and indicates the valve’s installation/reference framework within CLA-VAL’s product line.
