Metreg MQMe - Required material

6.3 Required material
• 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
Flanges according to DIN EN 1092-1: Hexagon screws and nuts
DN
[mm]
Pressure
class PN
Screws and nuts
Operating temperature
Screws DIN 125
Quantity/size/washer
Strength class/material
Length of the
threaded rods
Screws Nuts
25*
16 -10°C
8 x M12x35**/B13-140HV
5.6/8.8/25CrMo4 5/8/25CrMo4
35
50
4 x M16x165***/B17-140HV
165
80
8 x M16x210***/B17-140HV
210
100
8 x M16x240***/B17-140HV
240
150
8 x M20x285***/B21-140HV
285
*
Flange on both sides with blind hole thread
**
Hexagon head screws ISO 4017, EN 1515-4
***
Screw bolt DIN 976-1 Form-B, EN 1515-4
Flanges according to ANSI B 16.5 – Threaded bolts with continuous thread and nuts
DN
[mm]
Pressure
class ANSI
Screws and nuts
Min. operating temperature
No. of screws
Strength class
Length of threaded rods
ANSI B16.5 Class150
Screws Nuts
25*
150
-25°C
8 x M12x35
ASTM A193 Grade B7
Grade 2H
50
150
-25°C
4 x M16
ASTM A193 Grade B7
ASTM A194
170
80
150
-25°C
8 x M16
ASTM A193 Grade B7
ASTM A194 Grade 2H
225
100
150
-25°C
8 x M16
ASTM A193 Grade B7
ASTM A194 Grade 2H
255
150
150
-25°C
8 x M20
ASTM A193 Grade B7
ASTM A194 Grade 2H
312
*
Flange on both sides with blind hole thread
11