1314.5 Valve Types — 2025 California Plumbing Code

New or replacement valves shall be permitted to be of any type as long as they meet the following conditions:

(1) They have a minimum Cv factor in accordance with Table 1314.5(1) or Table 1314.5(2).

(2) They use a quarter turn to off.

(3) They are constructed of materials suitable for the service.

(4) They are provided with copper tube extensions by the manufacturer for brazing or with corrugated medical tubing (CMT) fittings.

(5) They indicate to the operator if the valve is open or closed.

282 2025 CALIFORNIA PLUMBING CODE

HEALTH CARE FACILITIES AND MEDICAL GAS AND MEDICAL VACUUM SYSTEMS

(6) They permit in-line serviceability.

(7) They are cleaned for oxygen service by the manufacturer if used for any positive-pressure service.

(8) They have threaded purge ports on the patient side and the source side.

(9) They have a minimum working pressure equal to or greater than the relief valve protecting the piping system on which the valve is installed for any positive-pressure service. [NFPA 99:5.1.4.1.6]

TABLE 1314.5(1) POSITIVE PRESSURE GASES

[NFPA 99: TABLE 5.1.4.1.6(a)]

For SI units: 1 inch = 25.4 mm

TABLE 1314.5(2) VACUUM AND WAGD

[NFPA 99:TABLE 5.1.4.1.6(b)]

For SI units: 1 inch = 25.4 mm