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Kleiss MCS60-38 System Manual v.15 May 2020
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www.MainlineControlSystems.com
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 completion cap and plug from fitting.
When welding, if there is concerns about warping the fitting, install test cap assembly on fitting with valve
open to vent heat.
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:
Mount the appropriate ring adapter onto the fitting
and tighten the ring by means of the hooked
wrench. Tighten completely.
For appropriate ring adapter, reference tables on
page 15.
Position the valve so that when the valve is open
the handle is up.
Install the ball valve onto the adapter ring of the
fitting and tighten the valve by hand to compress
the o-ring.
Operate the valve to ensure smooth operation.
