EB 8026 EN 33
Servicing
Risk of valve damage due to the use of un-
suitable tools.
Only use tools approved by SAMSON
(uAB0100).
Risk of valve damage due to the use of un-
suitable lubricants.
Only use lubricants approved by SAMSON
(uAB0100).
The control valve was checked by SAMSON
before it left the factory.
− Certain test results (seat leakage and leak
test) certied by SAMSON lose their validi-
ty when the valve body or actuator hous-
ing is opened.
− The product warranty becomes void if ser-
vice or repair work not described in these
instructions is performed without prior
agreement by SAMSON's After‑sales Ser-
vice department.
− Only use original spare parts by
SAMSON, which comply with the original
specications.
7.1 Replacing the gasket
Risk of control valve damage due to incorrect
service or repair.
Only exchange the gasket in valves without
pressure balancing.
To replace the gasket in valve versions with
pressure balancing, contact SAMSON's
After‑sales Service department.
7.1.1 Standard version
1. Remove the actuator from the valve. See
associated actuator documentation.
2. Undo the body nuts (14) gradually in a
criss-cross pattern.
3. Lift the ange (2) and plug with plug
stem (5) off the body (1).
4. Remove the gasket (17). Carefully clean
the sealing faces in the valve body (1)
and on the ange (2).
5. Insert a new gasket (17) into the body.
6. Place the ange (2) onto the body.
Mixing valve with V-port plug: place the
ange (2) onto the insulating section,
making sure that the largest V-shaped
port of the V-port plug faces toward the
valve outlet (AB) at the side. See sec-
tion5.1.
7. Diverting valve: rmly press the plug (5)
into the top seat (4).
Mixing valve: rmly press the plug (5)
into the bottom seat (141).
NOTICE
!
NOTICE
!
Note
NOTICE
!