Metal / Stainless Steel Bung Manual Piston Pail Pump Material:Chrome-electroplated (GT-113) 304 Stainless Steel (GT-114) 316 Stainless Steel (GT-115) Seal Material:NBR Piston:PP Outlet Diz:12.7mm Inlet Dia:28.5mm Frequency:50 - 55 Stroke / Min Capacity:240cc / Stroke Flowing :13L/Min Applicable Drums:15 - 55 Gallon Packing:1PC/BOX,20PCS/CTN N/G Weight:17/22KGS Carton Size:51 x 46 x 39.5cm Applications:Heavy oil, Machine oil, Food (juice, milk, wine, water...) / Chemical (acid, alkali...)