Emerson 122A- Manuals

Emerson 122A– User Manual in PDF format online.

Manuals:

User Manual Emerson 122A

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6 Page 6
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Summary

Page 2 - Specifications; Principle of Operation; Refer to Figure 2. The flow through the Type 122A

Type 122A 2 Specifications The Specifications section lists the specifications for Type 122A three-way switching valve. Factory specification is stamped on the nameplate fastened on the valve at the factory. Table 1. Set Pressure Ranges SET PRESSURE RANGES PRESSURE BUILD-UP ABOVE SETPOINT REQUIRED F...

Page 4 - Installation; Overpressure Protection; WARNING; Maintenance; WARNING

Type 122A 4 Installation ! WARNING To avoid personal injury or equipment damage caused by bursting of pressure-retaining parts or explosion of accumulated gas, do not exceed the pressure or temperature limits in Specifications, and do not use the Type 122A valve for installations where water hammer ...

Page 5 - Parts Ordering; When corresponding with your local Sales Office

Type 122A 5 Disassembly 1. Loosen the locknut (key 30). Rotate the adjusting screw (key 7) counterclockwise until all compression has been relieved from the spring (key 3). 2. Disconnect piping from the bottom connector (key 36). Unscrew and remove the bottom connector. 3. To remove the lower seat r...

Emerson Manuals