Reciprocating compressors for refrigeration applications in medium and high temperatures with refrigerants R407A, R407C, R407F, R134a, R404A/R507A and R22. Danfoss reciprocating compressors are suitable for parallel mounting (racks). MTZ: medium and high evaporating temperature (R407A, R407C, R407F, R134a, R404A/R507A). NTZ: low evaporating temperature extended envelope (R452A, R404A/R507A). MT: medium and high evaporating temperature (R22). MTM: medium and high evaporating temperature manifolding (R22).