Alemite 6320-C high-pressure control Valve assembly designed for high-pressure applications up to 5, 000 psi. It dispenses a variety of lubricants from numerous types of power-operated equipment. The assembly includes a narrow Type hydraulic coupler with rubber seal (model 308730), hose assembly with burst pressure of 20, 000 psi (model 343089-1f) and a standard 1/8 in. Npt (F) hydraulic coupler with metal seal (model 6304-b). the hose has a 3/16 in. ID and 0.415 in. Od and features a polyester tube. The Valve provides continuous flow with the trigger fully Depressed, and delivers measured, Pre-Set amounts with the trigger partially Depressed.alemite control valves provide consistent, long lasting performance in dispensing oil, grease, automatic transmission fluid and other petroleum based products. Each item offers a proven, ergonomic design for simple and comfortable use.