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3/4", 1", 1 1/2", 2", 2 1/2", 3", 4", 6"
The Model 14 is a reduced pressure assembly produced from approximately 1968-1975. The sizes 3/4"-4" were bronze body construction. The 6" body was made of galvanized cast iron. The checks were bronze in construction and modular in design and utilized a cam operated mechanism. All springs were contained when the covers are removed. Spring tension had to be released to perform a proper repair. All seats were replaceable. It had an internal relief valve sensing line. The relief valve had a contained spring when the cover was removed. The relief valve was very similar to the 6CM design. Internal hardware parts are mostly bronze.