Jafar 3126 Bedienings- en onderhoudshandleiding - Pagina 4

Blader online of download pdf Bedienings- en onderhoudshandleiding voor {categorie_naam} Jafar 3126. Jafar 3126 9 pagina's. Gate valves with soft seals with threaded connections

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their openings. All inner and outer cast-iron surfaces of the gate 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

This table lists the materials used in the construction of gate valves with soft seals.
Item Part name
1
Body
2
Cover
3
Wedge
4
Skid
5
Sealing plug
6
Locking ring
7
Cleaning seal
8
Stem nut
9
Stem
10
Valve cover gasket
11
O-ring seal
12
Hexagon socket head
13
cap screws
14
Bolt plug
15
Washer
16
Pipe gasket
Material
EN-GJS 400-15 cast iron
EN-GJS 400-15 cast iron
Brass (DN25-DN32)
Cast iron (DN40-DN50)
EN-GJS 400-15, EN-GJS 500-7
Rubber: EPDM (or NBR)
Polyamide
Brass
Steel 1.1260
Rubber: EPDM (or NBR)
Brass
Steel 1.4021
Rubber: EPDM (or NBR)
Rubber: EPDM (or NBR)
Acc. to reference standards
Paraffin
Polyamide PA6
Rubber: EPDM (or NBR)
OPERATING AND MAINTENANCE MANUAL
Reference standard
EN 1563
EN 1563
EN 1982
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
ISO 1629
12-2016
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