668S1

TwistFlow™ Assembly

Description: 

Pre-assembled radiant manifold consisting of return distribution manifold complete with built-in shut-off valves suitable for thermo-electric actuator and supply distribution manifold complete with built-in sight flow gauges and balancing valves with 2" gauges (30° - 210°F scale).
 
1" or 1¼" NPT inlet ball valves
 
Max working pressure:  150 psi
Max working temp:  180°F
Max peak temp:  200°F
 
Loop Cv:  1.23 (combined supply and return ports)
Flow meter scale:  ¼ - 2 gpm
Outlet center distance:  2"

Models with "IN" suffix are built inverted (tubing connections going upward).

MasterSpec

Drawings:

code description no. outlets weight
(lbs)
6686C5S1A 1" 3 ¾" M 17
6686C5S1A IN 1" 3 ¾" M 17
6686D5S1A 1" 4 ¾" M 18
6686D5S1A IN 1" 4 ¾" M 18
6686E5S1A 1" 5 ¾" M 19
6686E5S1A IN 1" 5 ¾" M 19
6686F5S1A 1" 6 ¾" M 21
6686F5S1A IN 1" 6 ¾" M 21
6686G5S1A 1" 7 ¾" M 23
6686G5S1A IN 1" 7 ¾" M 23
6686H5S1A 1" 8 ¾" M 24
6686H5S1A IN 1" 8 ¾" M 24
6686I5S1A 1" 9 ¾" M 26
6686I5S1A IN 1" 9 ¾" M 26
6686L5S1A 1" 10 ¾" M 28
6686L5S1A IN 1" 10 ¾" M 28
6686M5S1A 1" 11 ¾" M 29
6686M5S1A IN 1" 11 ¾" M 29
6686N5S1A 1" 12 ¾" M 31
6686N5S1A IN 1" 12 ¾" M 31
6686O5S1A 1" 13 ¾" M 33
6686O5S1A IN 1" 13 ¾" M 33
6687C5S1A 1¼" 3 ¾" M 17
6687C5S1A IN 1¼" 3 ¾" M 17
6687D5S1A 1¼" 4 ¾" M 18
6687D5S1A IN 1¼" 4 ¾" M 18
6687E5S1A 1¼" 5 ¾" M 19
6687E5S1A IN 1¼" 5 ¾" M 19
6687F5S1A 1¼" 6 ¾" M 21
6687F5S1A IN 1¼" 6 ¾" M 21
6687G5S1A 1¼" 7 ¾" M 23
6687G5S1A IN 1¼" 7 ¾" M 23
6687H5S1A 1¼" 8 ¾" M 24
6687H5S1A IN 1¼" 8 ¾" M 24
6687I5S1A 1¼" 9 ¾" M 26
6687I5S1A IN 1¼" 9 ¾" M 26
6687L5S1A 1¼" 10 ¾" M 28
6687L5S1A IN 1¼" 10 ¾" M 28
6687M5S1A 1¼" 11 ¾" M 29
6687M5S1A IN 1¼" 11 ¾" M 29
6687N5S1A 1¼" 12 ¾" M 31
6687N5S1A IN 1¼" 12 ¾" M 31
6687O5S1A 1¼" 13 ¾" M 33
6687O5S1A IN 1¼" 13 ¾" M 33

 

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