N.Y. Comp. Codes R. & Regs. tit. 16 § 255.145

Current through Register Vol. 46, No. 45, November 2, 2024

Section 255.145 - Valves

(a) Except for cast iron and plastic valves, each valve must meet the minimum requirements, or the equivalent, of API 6D (as described in section 10.3 of this Title). A valve may not be used under operating conditions that exceed the applicable pressure-temperature ratings contained in those standards.

(b) Each valve must be able to meet the anticipated operating conditions.

(c) No valve having shell components made of ductile iron may be used at pressures exceeding 80 percent of the pressure ratings for comparable steel valves at their listed temperature. However, a valve having shell components made of ductile iron may be used at pressures up to 80 percent of the pressure ratings for comparable steel valves at their listed temperature, if:

(1) the temperature-adjusted service pressure does not exceed 1,000 psig (6.9 MPa); and

(2) welding is not used on any ductile iron component in the fabrication of the valve shells or their assembly.

(d) No valve having shell (body, bonnet, cover, and/or end flange) components made of ductile iron may be used at pressures exceeding 80 percent of the pressure ratings for comparable steel valves at their listed temperature.

(e) No valve having shell (body, bonnet, cover, and/or end flange) components made of cast iron, malleable iron, or ductile iron may be used in the gas pipe components of compressor stations.

N.Y. Comp. Codes R. & Regs. Tit. 16 § 255.145