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コントロールユニット Jafar 2112のPDF 操作およびメンテナンスマニュアルをオンラインで閲覧またはダウンロードできます。Jafar 2112 9 ページ。 Flanged gate valves with soft seals
ページを印刷するcap screws mounted flush with the valve cover and preserved with a paraffin compound. The valve cover to body
seal is a rubber gasket which also seals the bolt penetration points to prevent any leaks from their leads. All inner
and outer cast-iron surfaces of the valve are epoxy powder coated. The stem may be operated manually using a
hand wheel or, in case of gate valves located underground, through a hood and gate valve casing, using a T
socket.
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
Wedge
4
Skid
5
Sealing plug
6
Safety ring
7
Cleaning seal
8
Spindle nut
9
Spindle
10
Valve cover gasket
11
O-ring seal
12
Bolt, cap,
13
hex
14
Bolt plug
15
Washer
Material
EN-GJS 400-15 cast iron
EN-GJS 400-15 cast iron
EN-GJS 400-15 cast iron
Rubber: EPDM (or NBR)
Polyamide
Brass
Steel grade 1.1260
Rubber: EPDM (or NBR)
Brass
Steel grade 1.4021
Rubber: EPDM (or NBR)
Rubber: EPDM (or NBR)
Acc. to reference standards
Paraffin
Polyamide PA6
OPERATION AND MAINTENANCE MANUAL
Reference standard
EN 1563
EN 1563
EN 1563
ISO 1629
EN ISO 1874-1
EN 1982
74/H-84032
ISO 1629
EN 1982
EN 10088-1
ISO 1629
ISO 1629
EN ISO 4762
acc. to manufacturer's
Technical Guidelines
EN ISO 1874-1
12-2016
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