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FLANGES Check-Trol
™
Isolation Flow Control Flange
22
Description
The Check-Trol flange is a combination isolation valve, flow control
valve, and companion flange for circulators. The ball valve allows
the circulator to be removed from the system without draining the
system. The internal spring check prevents gravity circulation. Free
floating companion flange makes pump installation a snap.
Specifications
Operating Data
Maximum Working Pressure: 150 PSI (10 bar)
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1
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Companion
Flange
Flow Control
Valve
Isolation
Valve
Materials of Construction
Valve Body: Lead-Free* Brass
Flange: Chrome Plated Steel
Ball: Chrome Plated Lead-Free* Brass
Packing: PTFE
Seat Ring: PTFE
Stem: Lead-Free* Brass
Spring Check: Nitrile, Acetal, Stainless Steel
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0.25% lead content by weight on wetted surface.
Model No.
Size
Inches
Use with
Following
Circulators
Dimensions - Inches (mm)
Following Circulators
Approx.
Shpg. Wt.
Ibs. (Kg)
AB
B
1
**
CD
101231LF 3/4” NPT x Flange
ecocirc auto
and vario
NRF/NBF/SSF
Wet Rotors*
Series PL-30, PL-36,
PL-55
Series 100, PR,
and LR
3/4” NPT 3-7/64” (79) 2-27/64” (61.5) 2” (50.5) 4-23/32” (120) 3.4 (1.5) )
101232LF
1” NPT x Flange
1” NPT 3-15/16” (100) 2-57/64” (73.3) 2-5/32” (54.7) 4-23/32” (120) 4.4 (2.0)
101233LF 1-1/4” NPTx Flange 1-1/4” NPT 4-25/32” (121.4) 3-19/64” (84) 3” (76.2) 6-7/32” (158) 6.3 (2.8)
101245LF 1-1/2” NPT x Flange 1-1/2” NPT 4-27/32” (122.9) 3-23/64” (85.5) 3” (76.2) 6-7/32” (158) 6.6 (3.0)
101236LF 3/4” SWT x Flange 3/4” SWT 3-21/64” (84.5) 2-41/64” (67) 2” (50.5) 4-23/32” (120) 3.4 (1.5)
101237LF 1” SWT x Flange 1” SWT 4-1/64” (102) 3” (75.3) 2-5/32” (54.7) 4-23/32” (120) 4.2 (1.9)
101238LF 1-1/4” SWT x Flange 1-1/4” SWT 4-55/64” (123.4) 3-25/64” (86) 3” (76.2) 6-7/32” (158) 5.9 (2.7)
101247LF 1-1/2” SWT x Flange 1-1/2” SWT 5-1/64” (127.4) 3-35/64” (90) 3” (76.2) 6-7/32” (158) 6.5 (3.0)