TY - JOUR AU - Eide, R. N. AU - Fairbank, W. C. TI - Pipe size: And milking machine airflow JF - California Agriculture JO - Calif Agr Y1 - 1962/07/01 VL - 16 IS - 7 SP - 12 EP - 13 PB - University of California Agriculture and Nature Resources SN - 0008-0845 UR - http://www.ucanr.edu/sites/calagjournal/archive/?article=ca.v016n07p12 AB - Improper pipe size is a common fault of vacuum supply systems on California dairies. Data presented in this study indicate that a minimum vacuum supply pipe diameter of 1 1/4 inches is needed to handle four or five milking units and 2-inch pipe is the minimum size required for 7 to 12 units.