7.3
Equipment required for the installation
•
Suitable and certified gaskets according to DIN EN 1514-1
•
Screws according to DIN 976 DIN ISO 4014 and ASME B 1.1
•
Nuts according to DIN 934 DIN EN ISO 4032 and ASME B 1.1
•
Washers according to DIN EN ISO 7085 (DIN 125)
•
Equipotential bonding with a minimum cross-section of 4 mm²
•
For Quantometers with an oil pump: Oil according to the specifications Shell Morlina S2
BL 5 or Shell Morlina S2 BL 10
DN
[mm]
Pressure
ANSI
class
Flanges according to ANSI B 16.5
Threaded bolts with continuous thread and nuts
Min. operating
temperature of
the screws and
nuts
Number of
screws
Strength
class of the
screws
Strength class
of the nuts
Length of the
threaded rods
PN16 ANSI B16.5
Class150
25*
150
-25°C
4 x M12 ASTM A193
Grade B7
Grade 2H
50
150
-25°C
4 x M16 ASTM A193 ASTM A194
165
170
Grade B7
Grade 2H
165
170
80
150
-25°C
8 x M16 ASTM A193 ASTM A194
210
225
Grade B7
Grade 2H
210
225
100
150
-25°C
8 x M16 ASTM A193 ASTM A194
240
255
Grade B7
Grade 2H
240
255
150
150
-25°C
8 x M20 ASTM A193 ASTM A194
285
312
Grade B7
Grade 2H
285
312
* Flange with threaded holes
DN
[mm]
Pressure
class PN
Flanges according to DIN EN 1092-1
Hexagon screws and nuts
Min. operating
temperature of
the screws and
nuts
Number of
screws
Strength
class of the
screws
Strength
class of the
nuts
Length of the
threaded rods
PN16 ANSI B16.5
Class150
25*
16
-10°C
4 x M12
5.6 / 8.8
50
16
-10°C
4 x M16
5.6 / 8.8
5 / 8
165
170
80
16
-10°C
8 x M16
5.6 / 8.8
5 / 8
210
225
100
16
-10°C
8 x M16
5.6 / 8.8
5 / 8
240
255
150
16
-10°C
8 x M20
5.6 / 8.8
5 / 8
285
312
* Flange with threaded holes
11