"UDT Make" Orifice Valves is a retrievable valve used to install in the side pocket
mandrel prior to circulation. It prevents the pocket damage from abrasive well fluids
while circulating. Efficiency of back check valve provides large flow capacities.
Positive sealing feature of back check valve provides protection from intrusion of
production fluid into casing annulus. Various orifice materials (SS, monel, inconel &
tungsten carbide) available to meet application requirements.
Orifice sizes available for this valve design range from 1/8 through 7/16 inch in 1
inch size and from 1/8 through 5 1/64 inch in 1 1/ 2-inch size, thus making them
suitable for a wide range of operating conditions.