Bell & Gossett P2000452 Series 580 - Manual (Page 15)

Check Explanation/comment Checked
Check that the pipeline has isolation valves
around the pump and has a drain valve in the
suction pipe.
—
Use Teflon tape sealer or a high quality thread
sealant when you install the suction and discharge
connections to a threaded pump housing.
—
Installation
Series 580 Installation, Operation, and Maintenance Manual 13