Oil bath vacuum pumps These models were specifically designed for the AC/R sector and for laboratory applications. The single or double stage version provide optimal final pressure. A coupling drive connecting motor and pump ensures reliable operation, long life and easy maintenance. Standard supply includes: Thermal protector (135CC){1- only) Handle for transport Gas ballast On/off switch (1- only) Cable with schuko plug (1 - only) Antisuck back valve (RC.4M)/ Venting system (RC.4D) Pack of AV68 oil Shock mount A version suitable for connection with standard electric motors M71/4 B14 according to IEC-72 is also available.