BUSCH COBRA ATEX NC 0100-0300 B, Instruction Manual

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5.2.2 Discharge Connection
If the machine corresponds to ATEX Classification “A” or “B” (see
ATEX Classifications
and Associated Accessories [ ► 12]
)
• The machine must be equipped with flame arresters at the suction and discharge
connections.
Connection size(s):
At the machine discharge connection:
– Ø85 / 8 x M8
With flame arrester (FA):
– DN50 PN16, EN 1092-1
With extra flange (straight or elbow):
– DN40 PN16, EN 1092-1 for NC 0100 B
– DN50 PN16, EN 1092-1 for NC 0200 B and NC 0300 B
At the silencer (SI) discharge connection (Optional):
– DN40 PN16, EN 1092-1 for NC 0100 B
– DN50 PN16, EN 1092-1 for NC 0200 B and NC 0300 B
• Make sure that the discharged gas will flow without obstruction. Do not shut off or
throttle the discharge line or use it as a pressurised air source.
• Make sure that the counter pressure (also termed back pressure) at the discharge con-
nection (OUT) does not exceed the maximum allowable discharge pressure, see Tech-
nical Data [ ► 55] .
5.2.3 Cooling Water Connection
Water-cooled version with direct cooling:
1
2
3
4
5
CWO CWI TV
Thermostatic valve
adjustment
CWI Cooling water inlet CWO Cooling water outlet
TV Thermostatic valve