Graco 648064 Husky 1050e AL (NPT) Pump, ATEX AC Motor, AL Center Section, SS Seats, SS Balls & PTFE SP Diaphragm 15 x 5 3 4 x 6 1 2 preventing exposure to harmful substances This specific series of preventing exposure to harmful substances while allowing for ease of movement 1086(c)(1)(ii) Finish Powder Coated Spout OD 1 in Cover Type Hinged For Minimum Drum Capacity 20 gal Mouth OD 10 1 2 in Flame Arrester Material Brass Thread Type NPT For Maximum Drum Capacity 55 gal Overall Capacity 1 Model Husky 1050e Material Aluminum (NPT) Motor ATEX AC Motor Seats Balls SS Diaphragm PTFE SP and PTFE SP diaphragm for explosive atmosphere applications