Foot valve dispensers with vacuum suck-back, 924-dfv and 924-dfv-vac are manufactured by ok international. The device has floor mounted, a built in pressure regulator, pressure gauge and a unique fast-dump and three-way air valve. Output rate and shot size is operator controlled in the device. The 924-dfv is the ideal for basic dispensing unit for most general applications. It is used in adhesives, sealants, coatings and compounds. The 924-dfv-vac features a vacuum suck-back to prevent very thin materials from dripping and reduce tailing or stringing with thicker materials.
