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11.3 Installation of seals and guide bands

a. Slightly grease O-rings (5, 6) and guide bands (4) before their

installation in the shaft bearings (2).

b. Push upper and lower shaft bearing (2) with a little grease in the

housing, insert screws (3), but do not tighten them.

c. Slightly grease housing seals (7) before their installation on the

PTFE ball seals (9).

d. Turn valve ball into open position by hand and install ball seals

with a little grease at both sides.

e. Slightly grease O-rings (12) and insert them in the spray

connection (10).

11.4 Assembly of valve

a. To ensure a safe handling of the valve, clamp the lower

bearing flange into a vice with protective cheeks. Turn the ball

into "open position".

Place yoke (17), spray connection (10), indicator (13) and

coupling (14) on the ball housing. The lower coupling cam must

point to the lower yoke bore (x) and the indicator must point

into flow direction.

b. Screw in screws (18), but do not tighten them.

11. Service Instructions

Double - Seat Ball Valve DELTA DKRT 2

Tank Outlet Valve

Operating Manual : Rev. 4

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SPX APV DELTA DKRT2 Specifications

General