3.696.5275.210
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Installation should be done according to local standards.
Connecting Electro-Pneumatically Activated Controls
Spirax Sarco Compact Steam Generators are equipped with pneumatically activated
controls. In most cases where pneumatically activated controls are used, they require
instrument air pressure supply of 8 bar g, 120 psi (Fig. 9). Refer to the supplied drawing,
and specific installation and operation instructions for each component to determine the
requirements for that component.
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Assure that the pneumatic feed line has been shutdown, and air pressure
bled from the system by acceptable methods, before attempting any connections.
Reference the drawings that are included, or the installation instructions contained in the
Installation Manual for the component, for specific piping instructions.
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Note: For all pneumatic connections, the use and / or type of joint compound
or sealer on the joint should be determined by referring to local codes, accepted
practices, or the requirements of the installing contractor.
Connecting the Drain / Bottom Blowdown Line
Spirax-Sarco CSM-C Compact Steam Generators are equipped with a drain / bottom
blowdown line. Each generator has an automatic blowdown valve connected to the bottom
of the vessel (Fig.10). The blowdown from this valve is at the pressure and temperature
of the generated steam and can cause severe injury or death if not properly piped.
It is recommended that the blowdown lines be connected to a blowdown vessel or condensate
cooler before being discharged to drain in accordance with local regulations or standard.
Fig. 9
Compressed air
using tube diameter
of 6 mm
Fig. 8
Piping to drain
and vent
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