Specifies a method for testing the fatigue strength and performance of thermoplastic valves incorporated in a valve assembly with its obturator mechanism under pressure. Repeated opening and closing shall be performed for as many cycles and using the torque as specified by the particular product standard.
Legislation related to this standard
Procurement procedures of entities operating in the water, energy, transport and telecommunications sectors
Procurement procedures of entities operating in the water, energy, transport and telecommunications sectors
Regulation (eu) No 305/2011 of the European Parliament and of the Council of 9 march 2011 laying down harmonised conditions for the marketing of construction products and repealing council directive 89/106/eec
WITHDRAWN
EN 28659:1990
99.60
Withdrawal effective
Apr 22, 2020
PUBLISHED
EN ISO 8659:2020