milking machine vacuum pump typefor cows/goatsvacuum pumptype have two types:onebuckets and two bucketsuse the 220V electricity power 25literbucket material is 304 stainless steel. stainless steel frame.economic and best qualityvacuum pump. pulsation times 64 per minute. 12cows /hour, Degree of vacuum :50kpa engine power:5.5HPsize:100x43x99cm, power:750--1100w. 380V /220Vvacuum capacity 250 l/minthe pulsation is the international brand,the material of all parts are all advanced material,for example motors,pipeline.....