Model NO.:DJ PUMP-3 Diaphragm Material:Ne/Viton/San/PTFE/Ne/Hytrel Performance:Corrosion, No Leak, Explosion, Food Grade Porting Options:NPT/BSPT/Flange Muffler Options:Standard/Metal Air Distribution Valve:No-Lube, No-Stall Design Application:Chemical, Paints Coatings, Food Processing Transport Package:Carton Box & Wooden Case Specification:1/4", 1/2", 1", 1-1/2", 2", 3" Trademark:DJ pump Origin:China HS Code:84135010 Production Capacity:20000pieces Per Year