Jafar 4497 운영 매뉴얼 - 페이지 6
{카테고리_이름} Jafar 4497에 대한 운영 매뉴얼을 온라인으로 검색하거나 PDF를 다운로드하세요. Jafar 4497 11 페이지. Concentric butterfly valves
페이지 인쇄
3. PRODUCT IDENTIFICATION MARKING
The valve marking meets the following standards: EN 19 (Industrial valves. Marking of metallic valves), EN 1074-
1 (Valves for water supply. Fitness for purpose requirements and appropriate verification tests. Part 1: General
requirements). The permanent identification markings are on the front and back walls of the body chamber and on
the cylindrical closure plate. The marking contains the following data:
- closure plate material type;
- nominal diameter;
The location on the valve specified in the documentation features the nameplate which contains the following
data:
1.
Manufacturer's company and country of origin.
2.
Manufacturer's company logo.
3.
Polish construction mark (for the full range of diameter values).
4.
Alphanumerical reference designation for the combination of mechanical properties and sizing of the
mating piping ends (PN).
5.
CE marking
6.
Maximum permitted pressure (PS).
7.
Barcode.
8.
Maximum / minimum permissible temperature (TS).
9.
Production serial no. in the calendar year.
10. Year of manufacture of the product.
11. Sealing material specification (where the operating temperature shall not exceed 70°C for EPDM).
12. Reference standard the product is compliant with.
13. Nominal diameter (DN).
OPERATING MANUAL
- manufacturer's trade mark;
- nominal pressure;
Fig. 1. Valve nameplate sticker
07-2021
- nameplate.
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