The Installation and Maintenance Manual must be read in conjunction with the training videos
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CG valve onlyNote fewer components. Valve with integral connections for impulse tube, vent and process connection.
Note more compact assembly.
Note bleed/vent for save confirmation isolation valve positively sealing and relief of pressure prior to removal of plug.
High purge water flow rate, low temperature purge, high flow rate diluting process.
Partial plug tapping point creating error in PV measurement. Note orange condition on scale.
Plugged tapping point = zero PV measurement. Note Red Condition of scale
Prior to drilling out tap, isolation valve is closed and pressure relieved by vent plug.
Plug removed safely
Manual drilling tool attached. Isolation valve is opened. How secure is manual drilling tool gland?
Tapping point is drilled prior to withdrawal of rodding tool, isolation valve is closed, vent plug opened to relieve pressure safely, drilling tool removed safely, plug reinstalled, isolation valve opened.
Condition returned to normal UNTIL NEXT TIME....