Aerospace series. Pipe coupling 8°30' in titanium alloy. Elbows 90°, welded end with thrust wire nutBS EN 4020: 2009 Aerospace series. Pipe coupling 830' in titanium alloy. Elbows 90, welded end with thrust wire nut BS EN 4020 specifies the characteristics of elbows 90, welded end, with thrust wire nut, for pipe couplings 830', in titanium alloy, for aerospace applications. They are to be used at nominal pressure up to 28 000 kPa, and temperature range 55 C to 135 C Contents of BS EN 4020: Foreword Scope Normative references Required characteristics

Environment and the bottom line

Test requirements

Surface treatment

and use of medical electron accelerators and which are to be declared in the accompanying documents together with the greatest deviation or variation to be expected under specific conditions in normal use

Not intended for certification

Contents of BS EN 4536-2:

smoke control

Methods of testing and required test results

6 Estimation of appropriate field deployment time

can adopt to upgrade their innovative performance then use as the basis of collaborative initiatives with suitable partners to promote innovation

Guidance on introductory clauses

and provides for automatic control of equipment