FAURE HERMAN FH8500, User Manual

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F H 8 5 0 0
102
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102 TEC 05.03.09 / 412522
Revision index I
09/07/2013
Gasket
The equipment shall be assembled with gaskets according to NF EN 1514 and
NF EN 12560 standards and depending on flange type.
Spiral wound gaskets are forbidden for flanges rating below class 300 or PN 63.
Flange bolting
The material of flange bolting shall be chosen in ASTM A 193 B7 (rods) and
ASTM A 194 2H (nuts) according to EN ISO 898-1 standard for temperature
between -45°C and +480°C.
Tightening torque
Recommended tightening torque for Klingersil gasket type
Bolt size Nm Bolt size Nm
M14 110 M30 1130
M16 170 M33 1520
M20 330 M36 1960
M24 570 M39 2525
M27 828 M42 3135
The link of a flowmeter equipped with a flow straightener is tightened at the factory but
must be checked and retightened before commissioning. A label affixed to the flanges of
this link calls attention to this requirement.