Bitzer has announced it has modified all models of its two-stage reciprocating compressors to enable them to run with R-448A and R-449A refrigerant. The refrigerants have global warming potentials ...

When selecting an onboard air compressor, start with the basics. Determine how much pressure (psi) and flow (cfm) is required, then determine the duty cycle. “Ask yourself what you will be doing with ...

This article discusses a two-stage reciprocating compressor with two delivery services equipped using fixed-volume pockets and cylinder-end deactivators. Fig. 1 shows a simple process block diagram of ...