Elster TRZ2 - Required Seals and Gaskets; Flange Connection Elements

Elster-Instromet
8 ©ElsterGmbH·Allrightsreserved·Subjecttotechnicalmodication
You will requirethefollowingitemsforinstallation:
– suitable seals/gasketsfortherelevantgases,e.g.inaccordancewiththefollowingtable:
DN d1
(mm)
The following seals and gas-
kets, amongst others, are
suitable:
–atseals,
–spiral-woundgasketsand
–groovedsealsandgaskets
50 62
80 100
100 125
150 178
– connection elementssuitableforoperationinaccordancewiththetablesbelow:
Hexagon screws and nuts for flanges inaccordancewithDINEN1092-1
Material/strength class Operatinglimits Standards
Screw Nut
5.6 5
up to 40 bar
downto-10°C
DINISO4014
DINISO4032
8.8 8
CK35 CK35
up to 100 bar
downto-10°C
DIN2510
25 Cr Mo4 25 Cr Mo4
up to 100 bar
downto-25°C
EN10269
Stud bolts with continuous thread for flangesinaccordancewithASMEB16.5
Material/strength class Operatinglimits Standards
Bolt Nut
A193B6 A 194 Gr. 6 up to 100 bar
downto0°C
ASME B 1.1
A193B7 A 194 Gr. 2H up to 100 bar
downto-50°C
Otherequivalentmaterialsmayalsobeused.