Jafar 3126 Instrukcja obsługi i konserwacji - Strona 6
Przeglądaj online lub pobierz pdf Instrukcja obsługi i konserwacji dla Jednostka sterująca Jafar 3126. Jafar 3126 9 stron. Gate valves with soft seals with threaded connections
2.4 STANDARDS
EN 1074-1
EN 1074-2
89/H-02650
EN19
EN 12266-1
EN ISO 6708
EN 10226-1
ISO 965-1
ISO 2903
EN 1982
EN 12420
EN 1559-1
EN 1563
EN 1370
EN 10088-1
74/H-84032
EN ISO 4762
EN 10204
ISO 1629
EN ISO 1872-1
EN ISO 1873-1
EN ISO 1874-1
EN ISO 12944-5
2.5 ORDERING REGULATIONS
Water supply system fittings are specific purpose industrial fittings, therefore orders must include:
- catalogue number,
- intended use, e.g. for water supply systems,
furthermore:
- nominal diameter — acc. to EN ISO 6708
- nominal pressure, acc. to 89/H-02650;
- type of body material — acc. to EN 1561 or EN 1563
- max. operating temperature — acc. to 89/H — 02650.
Valves for water supply. Fitness for purpose requirements and appropriate
verification tests. General requirements.
Valves for water supply. Fitness for purpose requirements and appropriate
verification tests. Isolating valves.
Fittings and pipelines. Pressures and temperatures for
fittings, connectors and equipment with PN markings. Cast iron flanges.
Industrial fittings. Metal fitting marking.
Industrial valves. Testing of metallic valves. Pressure tests, test procedures
and acceptance criteria.
Mandatory requirements.
Definition and selection of the DN /nominal dimension/
Pipe threads where pressure tight joints are made on the threads - Part 1:
Taper external threads and parallel internal threads.
Dimensions, tolerances and designation
ISO general purpose metric screw threads. Tolerances. Principles and basic
data.
Trapezoid ISO metric threads. Tolerances.
Copper and copper alloys. Ingots and castings.
Copper and copper alloys. Forgings.
Founding. Technical conditions of delivery. General.
Founding. Spheroidal graphite cast irons.
Founding. Examination of surface condition by
visual-tactile comparators.
Stainless steels. Grades of stainless steel.
Spring steel. Grades.
Hexagon socket head cap screws.
Metallic products. Types of inspection documents.
Rubbers and latices. Nomenclature.
Plastic materials. Polyethylene (PE) moulding and extrusion materials.
Designation system and basis for specifications.
Plastic materials. Polypropylene (PP) moulding and extrusion materials.
Designation system and basis for specifications.
Plastic materials. Polyamide (PA) forming and extrusion moulding materials.
Designation system and basis for specification.
Paints and varnishes. Anti-corrosion protection of steel structures by means of
protective painting systems. Protective painting systems.
OPERATING AND MAINTENANCE MANUAL
12-2016
6