Preparatory Steps; Tapping Operation - MAINLINE Kleiss MCS60-1016 System Manual

5.0 Preparatory Steps:

Select proper MDS Stopper from the sizing table in Section 4.0.

Select proper fitting from the sizing table in Section 4.0.

Attach selected fitting, based on pipe material, per company standards and specifications.

Before welding steel fitting on main, remove the blind flange, gasket, and plug from fitting.

Kleiss Gastool PE fittings use a 4.0 mm fusion pin. Ensure you have the appropriate tips/adapters on your

electrofusion processor that will fit the 4.0 mm pins.
When installing PE fittings, as part of the electrofusion process, make certain to allow the fitting to completely

cool down for the entire "cooling time" before tapping the main.
Pressure test attached fitting per company standards and specifications.


6.0 Tapping Operation:

Attach slide gate valve, with gasket in place, to

fitting outlet using nuts and washers.
Check gasket.
Attach pressure equalizing hose to slide gate

valve.
Use valve wrench to check if slide gate valve

opens and closes.
Take the tapping device out of the case and inspect

the device visually for irregularities. Make sure
the threads are clean and the device operates
freely.
Kleiss MCS60-1016 System Manual v.15 June 2020
www.MainlineControlSystems.com
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