This document specifies requirements and test methods for reinforced and non-reinforced thermoplastic collapsible hoses, intended to be used as main and sub-main supply lines for the conveyance and distribution of water for irrigation, at water temperatures up to 50 °C. PVC layflat hoses are excluded from this document.
It is applicable to irrigation hoses with nominal diameters between 40 mm and…
Ships and marine technology — Sea-going vessels — Windlasses and anchor capstans
This document specifies requirements for the design, construction, safety, performance and acceptance testing of windlasses and anchor capstans.
This document is applicable to windlasses and anchor capstans of sea-going vessels, which have an electric, hydraulic, pneumatic or external drive, of the following types:
— symmetrical double cable-lifter windlasses (type 1);
— single cable-lifter…
Thyristor valves for high voltage direct current (HVDC) power transmission - Part 2: Terminology
IEC 60700-2:2016+A1:2021 defines terms for thyristor valves for high-voltage direct current (HVDC) power transmission with line commutated converters most commonly based on three-phase bridge connections for the conversion from AC to DC and vice versa.
Smart community infrastructures — Smart transportation by run-through train/bus operation in/between...
This document specifies a procedure for run-through train operations, identified as smart transportation. This concept provides direct, one-seat ride services in high quality corridors connecting cities and transportation hubs without forcing transfers. Improved operations planning, greater use of interchange or rental use arrangements are described so that these services can be implemented…
Acoustics — Experimental method for transposition of dynamic forces generated by an active component...
This document specifies a method to predict the dynamic forces generated by an active component on a receiving structure from measurement on a test bench.
It sets out the requirements applicable to test benches and setup measurement conditions of dynamic forces: a criterion of validity of transfer functions measurements can be established for example.
The objective is to evaluate noise and…
Low voltage transformers — Part 2: General purpose transformers
1 Scope
1.1 As noted in Low Voltage Transformers – Part 1: General Requirements, UL 5085-1, or CSA C22.2
No. 66.1, Low Voltage Transformers – Part 1: General Requirements, the requirements of Part 2 cover:
a) Air-cooled transformers and reactors for general use;
b) Autotransformers;
c) Ferroresonant transformers;
d) Cord-connected transformers; and
e) Transformers incorporating overcurrent…
1 Scope
1.1 These requirements cover flexible metallic hose supplied with fittings on each end that facilitate
connection without twisting the hose. They have a corrugated metal core or a nonmetallic inner core which
are covered with a stainless steel braid. They have a nominal inside diameter of not more than 4 in (101
mm) intended for use in piping systems carrying compressed gases, such as…
Railway infrastructure — Rail welding — Part 1: General requirements and test methods for rail weldi...
This document specifies requirements concerning the approval and/or homologation of welding processes, contractors, welders, inspectors and acceptance of welded joints in the factory and/or track.
This document is applicable to the following rail welding processes:
flash butt welding (FBW);
gas pressure welding (GPW);
aluminothermic welding (ATW);
enclosed arc welding (EAW).
In this document,…
Solid biofuels — Safety of solid biofuel pellets — Safe handling and storage of wood pellets in resi...
1 Scope
This document provides principles and requirements for the safe handling and storage of wood pellets
in residential and other small-scale applications. It covers the supply chain from loading of the delivery
truck, requirements of delivery trucks, connections to the end-user's store and the delivery process.
It also covers the design and construction of pellet storage systems.…
