Gas cylinders. Residual pressure valves. Specification and type testing of cylinder valves incorporating residual pressure devices best-seller using an angle test piece

using an angle test piece

ISO 2540 covers only metric dimensions

The methods given are applicable to structural steel grades S235

2 Noise declaration

It also covers testing for conformity evaluation

Gas cylinders. Residual pressure valves. Specification and type testing of cylinder valves incorporating residual pressure devices best-seller using an angle test piece1 Scope This document specifies design, type testing and marking requirements for cylinder valves incorporating residual pressure devices, hereinafter referred to as residual pressure valves (RPVs). This document applies to the following types of RPVs: a) cylinder valves intended to be fitted to refillable transportable gas cylinders; b) main valves (excluding ball valves) for cylinder bundles; c) cylinder valves or main valves with integrated