3-WAY CONTROL VALVES, DN 65-150MM, GUN METAL 2.2.08 L3F
APPLICATIONS
Control valves type L3F are des ig ned for regulating hot water - and
cold and hot sea water. The valves are used in connection with one of
our tem pe ra tu re reg u la tors in con trol sy stems for industrial pro ce sses
or marine installations
DESIGN
The valve components - valve body, seats, cone and spindle - are
made of sea water resistant materials with connection fl anges drilled
according to DIN 86021. The connection thread for the actuator is G1B.
FUNCTION
Without an actuator being installed, con nec ti on 2-1 is fully open and
con nec ti on 3-1 completely closed, by means of a spring. By increasing
pres su re on the spind le, the opening of the ports chan ges pro port io nal ly
to the travel of the spind le, and when the spindle is pres sed to the
bottom, connection 3-1 is fully op en and con nec ti on 2-1 comple te ly
clo sed
FEATURES
Sea water resistant
Simple design secures reliable controls and reduces costly downtime.
Can be used for both mixing and diverting
TECHNICAL DATA
Materials:
- Valve body CuSn10
- Seats, cone, spindle CuAl10Fe5Ni5
- O-ring 90 NBR
- Gasket Reinz-AFM34
Nominal pressure PN 10
Seating 2 balanced seats
Flow characteristic Almost linear
Leakage rate ≤ 0.5% of Kvs
Regulating capability Kvs/Kvr > 25
Flanges drilled according to DIN 86021
Important note
In case the valves are applied as diverting valves,
the pressure drop will increase by 35% and the
Kvs-value will decrease by 14% as against mixing
valves
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