Elastomeric seals. Materials requirements for seals used in pipes and fi ttings carrying gas and hydrocarbon fluids1 Scope This European Standard specifies requirements for elastomeric materials used in seals for supply pipes and fittings, ancillaries and valves at operating temperatures in general from 5 G up to 50 G and in special cases from 15 G up to 50 G, for the following: General applications (see Table 4, type G) a) gaseous fuel (manufactured, natural and liquefied petroleum gas [LPG] in gaseous phase); b) hydrocarbon fluids with aromatic content up to 30

Class K : − 65 °C to 260 °C

NOTE Interface software is a communication program for the process computer that runs on the management computer

Conforming to BS 6884

What is BS EN 3661-005 - Polarized signal contact circuit breakers about

BS 6740 deals with the departures from the roundness of the measured profile

This European Standard covers the visual examination of fusion welds in metallic materials

This document applies to the radiographic examination of steel pipes for service induced flaws such as corrosion pitting

The methods specified in this European Standard are limited to civil engineering purposes

the terms “% (m/m)” and “% (V/V)” are used to represent respectively the mass fraction and the volume fraction

Whether the product is affected by surface defect or intentional effect such as cracks

5 Measurement uncertainty

The procedure simply prescribes a methodology