CAN Series Adjustable Choke
-- Tapered needle and seat adjust well discharge rate;
-- Indicator sleeve reveals orifice size in 1/64'' increments needed fro conversion to an equivalent positive choke size;
-- Convertible to a positive choke by exchanging the adjustable bonnet assembly and seat with a blanketing plug and bean;
-- Lubrication and vent fittings are used for general maintenance.