2 Way Air Valve Fabco 18HL 4 Water Pump Bearing No Break Copolymer Polypropylene Nut Material Size:1 1 2" x 1 1 4" No Break Copolymer Polypropylene Nut Material Black Acetal Copolymer Nut Manufacturing Process Machined Bolt Material 6061 T6511 Aluminum Extrusion Bolt Specification ASTM B211 Bolt Manufacturing Process Machined Diaphragm Outside Diameter 6 1 4" Country of Manufacture USA Included Components Feature Details UnitedBuilt BC2410 Adjustable spray head valve for water truck spray systems Normally Closed Design Valve remains closed until air pressure is supplied Air to Open Operation Uses air pressure to open the valve for cab controlled spray operation 3" Grooved Connection Designed for compatible grooved water truck plumbing and spray head assemblies Adjustable Spray Band Allows adjustment of spray pattern and water volume Spray Pattern Control Helps fine tune water coverage for dust control Hardened & plated steel shaft with unique connection to spool results in positive shifting Fabco 4 Way 2 Position Detented Toggle Lever 1 8" NPT 18HL 4