Steel strip sheaths for prestressing tendons. Terminology, requirements, quality control1 Scope This European Standard is applicable to uncoated cylindrical steel sheaths with a corrugated profile and with a nominal internal diameter of up to 130 mm and their connectors (couplers) which are assembled to form ducts for prestressing tendons in post tensioned prestressed concrete structures. It is only applicable to sheaths and connectors made of interlocked or welded steel strip1). It does not cover plastic sheaths2). The seals required

Verification of safety requirements

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Control circuits and control functions

isolators and mini-environments)

Relationship between RL and corresponding ICS proformas

BS EN 17125 outlines the technical items of associated equipment necessary for a properly equipped spa or hot tub to ensure it is clean

Pipe couplings are used to join two or more sections of pipe in order to ensure their continuity

ISO 8130‑12 is the twelfth part of the ISO 8130 multi-series and discusses the determination of compatibility

and improvement of hydraulic passenger and goods passenger lifts

the set of technical verifications made as part of the planning of the connection

and constructional requirements

ISO 11125-1 deals with the sampling and testing of metallic abrasives for blast cleaning