Parker's truck valves are a robust, all brass construction with metal-to-metal seats for high heatfluid compatibility. Fine thread screw down to afford flow control ability and a positive seal. Truck valve connections include flare, hose, tube and pipe. Round and pin handle are available. Markets:Heavy duty truckTrailerMobile FeaturesBenefits:Can be throttledLower pressure ratingsMore economicalUnique configurations Applications:Water linesOil linesCoolant lines Custom configurations and sizes are available upon request. Contact Parker Fluid System Connectors Division at (269) 692-6555 or fscsales@parker.com for additional information.