Jafar 2911 운영 및 유지보수 매뉴얼 - 페이지 4
{카테고리_이름} Jafar 2911에 대한 운영 및 유지보수 매뉴얼을 온라인으로 검색하거나 PDF를 다운로드하세요. Jafar 2911 10 페이지. Flanged gate valves with soft seals
Jafar 2911에 대해서도 마찬가지입니다: 운영 매뉴얼 (8 페이지)
페이지 인쇄The stem is tipped with a Form B3 (coupling type) key shaft sized according to EN ISO 5210.
2.2 MATERIALS
The table below lists the structural materials of the gate valves with soft seals.
Item
Part designation
1
Body
2
Cover
3
Sealing plug
4
Safety ring
5
Wedge+skid
6
Spindle nut
7
Spindle
8
Valve cover gasket
9
O-ring
10
11
Bolt
Material
Cast-iron, EN-GJS-400-15
or EN-GJS-500-7
Cast-iron, EN-GJS-400-15
or EN-GJS-500-7
Brass
Steel grade 1.1260
Cast-iron, EN-GJS-400-15
or EN-GJS-500-7
Rubber EPDM/NBR
Polyamide
Brass
or EN-GJS-400-15
Steel grade 1.4021
Rubber EPDM/NBR
Rubber EPDM/NBR
Steel, Fe/Zn5, stainless steel
OPERATION AND MAINTENANCE MANUAL
Reference standard
EN 1563
EN 1563
EN 1982
74/H-84032
EN 1563
EN 1563
ISO 1629
EN ISO 1874-1
EN 1982
EN 1563
EN 10088-1
ISO 1629
ISO 1629
EN ISO 4762
12-2016
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