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SR EN 334:2005

Gas pressure regulators for inlet pressures up to 100 bar

This document specifies constructional and functional requirements, regulator sizing, testing, documentation and marking of gas pressure regulators used in the pressure regulating stations: - for inlet pressures up to 100 bar and nominal diameters up to DN 400; - for an operating temperature range from 20 °C to +60 °C, which operate with fuel gases of the 1st and 2nd family in accordance with EN 437 in transmission and distribution networks and also in commercial and industrial installations. "Gas pressure regulators" hereafter will be called "regulators" except in the titles. The harmonised part of this document deals with standard gas pressure regulators used in pressure regulating stations complying with EN 12186 or EN 12279. For gas pressure regulators integral strength type when used in pressure regulating stations complying with EN 12186 or EN 12279, Annex ZA lists all applicable Essential Requirements except the external resistance to environmental conditions where corrosion occurs. This document considers the following classes of regulators: - class 1: operating tempe

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Status : Withdrawn
Approval date : 12/15/2005
Publish date : 12/17/2005
Withdrawal date : 6/30/2009
Number of pages : 96
ICS : 23.060.40 Pressure regulators
Technical Committee : 357 - Natural gas

Relations with other standards: