DD Series Pulse Jet Valves (3/4", 1", 1.5" port sizes) High performance diaphragm valve with dresser nut ports. Available with integral pilot or as remotely piloted valve. Outlet at 90 degrees to inlet. Suitable for: Dust collector applications, in particular for reverse pulse jet filter cleaning and its variations including bag filters, cartridge filters, envelope filters, ceramic filters, and sintered metal fibre filters. Construction: Body and Dresser: Nuts: Aluminium (diecast) Ferrule: 304 SS Armature: 430FR SS Seals: Nitrile or Viton (reinforced) Spring: 304 SS Screws: 302 SS Dresser Nut Seals: Nitrile or Viton Diaphragm Seat: PA-6 (standard), Viton coated mild steel or High Density PE