Installation & Operation Manual
Proven Quality since 1892
ECON check valves Fig. 2630-2631
www.eriks.com
Rev. 0
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Take out the ball (3) to proceed cleaning or replacement. Be careful not damaging the ball
or coating during replacement or cleaning when using non compatible products. For the
bigger sized valves it is recommended to use elevation equipment and straps like shown
in below figures. Verify if the ball is not damaged at any point. In case of any damage, we
recommend to replace the ball.
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Clean the area where the ball is located when closed and also the valve passage must be
clean
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Proceed assembly of the valve, introduce the ball, place the O-ring (4) for tightness and
the bonnet (2) centered correctly in the opening of the body (1), take special care that the
O-ring is placed in correct position in order to avoid damage when fixing the bolts. Finally
start fixing the bolts (5) in a cross sequenced order.
10. Troubleshooting
It is essential that the safety regulations are observed when identifying the fault.
Problem
Possible cause
Corrective measures
No flow
Valve is installed in the wrong
way
Arrow of flow direction has to
run in the same direction as the
flow itself
Little flow
Piping system clogged
Check piping system
Leakage across valve seat
Seat or ball is damaged
Replace the seat or ball
Foreign matter is in the valve
Clean the valve.
11. Removal
All dismantled and rejected valves cannot be disposed with household waste. The valves are
made of materials which can be re-used and should be delivered to designated recycling centers.
