Oklahoma Administrative Code
Title 310 - Oklahoma State Department of Health
Chapter 257 - Food Establishments
Subchapter 9 - Water, Plumbing and Waste
Section 310:257-9-22 - Backflow prevention device, carbonator
Universal Citation: OK Admin Code 310:257-9-22
Current through Vol. 42, No. 1, September 16, 2024
(a) If not provided with an air gap as specified under OAC 310:257-9-15, a dual check valve with an intermediate vent preceded by a screen of not less than 100 mesh to 25.4mm (100 mesh to 1 inch) shall be installed upstream from a carbonating device and downstream from any copper in the water supply line.
(b) A dual check valve attached to the carbonator need not be of the vented type if an air gap or vented backflow prevention device has been otherwise provided as specified under (a) of this Section.
Added at 23 Ok Reg 2358, eff 6-25-06; Amended at 28 Ok Reg 2289, eff 11-1-11
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