ilot wires
ipe couplings
ipe fittings
ipe system
ipelines
ipes
ipework systems
iping system
olyethylene
olyurethane;Probes;Quality assurance;Sheathed cables;Shut-off valves;Specification (approval);Steel pipes;Supervisory systems;Surveillance systems;Testing;Thermal insulation;Underground;Water pipe systems;Water pipes【摘要】: This European Standard specifies basic functional requirements for surveillance systems for district heatingpipe systems, specific requirements for measuring elements and their installation within preinsulated bondedpipes, valves and fittings, and the field assembly of these measuring elements in pipe joints.This standard specifies requirements for the manufacture of measuring elements, for the manufacture ofpreinsulated bonded pipe elements with measuring elements and for the assembly of the measuringelements in the field.All requirements and recommendations described in this standard are based on the experience gained withexisting surveillance systems and their principal function, cf. Annex A.The specific requirements given are only valid for electrical wire based surveillance systems forming anintegral part of the pipes, valves, fittings and joints.【中国标准分类号】: Q83【国际标准分类号】: 23_040_01【页数】: 32P.;A4【正文语种】: 英语 | 欢迎光临 世界资料网论坛 (http://bbs.infoeach.com/) | Powered by Discuz! X2.5 |