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391167A
391077
1” NPT
x 1 1/4” union straight thr
eaded connections
1 1/4” NPT
x 1 1/4” union straight thr
eaded connections
391
Pair of ball valves (1 supply & 1 return).
Female-male connections with union.
Max. working pressure: 150 psi (10 bar).
Max. working temperature: 212°F (100°C).
Code
Shut-of
f valves
Manifolds
666735
666745
666755
666765
666775
666785
1 1/4” F
1 1/4” F
1 1/4” F
1 1/4” F
1 1/4” F
1 1/4” F
x 3
x 4
x 5
x 6
x 7
x 8
3/4” M
3/4” M
3/4” M
3/4” M
3/4” M
3/4” M
666
Return distribution manifold complete
with shut-off valves suitable for
thermo-electric actuators.
Code Connections N. outlets Outlets
667735
667745
667755
667765
667775
667785
1 1/4” F
1 1/4” F
1 1/4” F
1 1/4” F
1 1/4” F
1 1/4” F
x 3
x 4
x 5
x 6
x 7
x 8
3/4” M
3/4” M
3/4” M
3/4” M
3/4” M
3/4” M
667
Supply distribution manifold complete
with micrometric balancing valves for
flow regulation.
Code Connections N. outlets Outlets
663130
663140
663150
663160
663170
663180
1 1/4” F
1 1/4” F
1 1/4” F
1 1/4” F
1 1/4” F
1 1/4” F
x 3
x 4
x 5
x 6
x 7
x 8
3/4” M
3/4” M
3/4” M
3/4” M
3/4” M
3/4” M
663
Supply distribution manifold complete
with balancing valves for flow
regulation.
Code Connections N. outlets Outlets
Technical specification
Materials:
Return manifold
- body: brass
Shut-off valve
- control device upper part: brass and PA
- stem: stainless steel
- springs: stainless steel
- seals: EPDM
- knobs: ABS
Supply manifold
- body: brass
Balancing valve for 663 series
- body: brass
- control device upper part: brass
- seal:
EPDM
Micr
ometric balancing valve only for 668
- body: PA
- control device upper part: brass
- seal: EPDM
- knob: ABS
Max. working pressure: 150 psi (10 bar)
Working temperature range:
- for 663 series: 32 to 210°F (0 to 98°C)
- for 667 series: 32 to 176°F (0 to 80°C)
Main connections: 1 1/4” F x M
Outlets: 3/4”M
Outlet centre distance: 2” (50 mm)