Bezpečnostní zařízení pro ochranu proti nadměrnému tlaku - Část 3: Pojistné ventily a pojistná zařízení proti prasknutí disku v kombinaci (Norma k přímému použití jako ČSN).

The information about the standard:

Designation standards: ČSN EN ISO 4126-3
Classification mark: 134310
Catalog number: 511737
Publication date standards: 1.4.2021
The number of pages: 24
Approximate weight : 72 g (0.16 lbs)
Country: Czech technical standard
Kategorie: Technické normy ČSN

Annotation of standard text ČSN EN ISO 4126-3 (134310):

This document specifies only the requirements for a product assembled from the in-series combination of safety valves or CSPRS (controlled safety pressure relief systems) according to ISO 4126 1, ISO 4126 4 and ISO 4126 5, and bursting disc safety devices, according to ISO 4126 2, installed upstream of the valve within five pipe diameters of the valve inlet. It specifies the design, application and marking requirements for such products, composed of the bursting disc safety device, a safety valve or CSPRS and, where applicable, a connecting pipe or spool piece. In addition, it gives a method for establishing the combination discharge factor used in sizing combinations