Brochure

Description
The isolation flange is a combination of an isolation ball valve and
a companion flange for circulators. The isolation flange allows easy
service or replacement of the circulator without the need to drain
the system. The isolation flange fits the Bell & Gossett NRF/NBF/SSF
wet rotors, Series PL, Series 100, HV, PR and LR circulators.
ISOLATION FLANGES
Operating Data
Maximum Working Pressure: 150 PSI (10 bar)
Maximum Operating Temperature: 250°F (121°C)
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
*CSA certied to NSF/ANSI 372 that product contains less than
0.25% lead content by weight on wetted surface.
Specifications
23
Union Connection for NBF Circulators
Flanges for Cast Iron Circulators
Companion Flanges
Flanges for Bronze Circulators
Model
Number
Size
Inches
Use with
Following
Circulators
Dimensions - Inches (mm)
Following Circulators
Approx.
Shpg. Wt.
Ibs. (Kg)
A B C D
101221LF 3/4” NPTF IF
ecocirc auto and vario
ecocirc XL 20-35,
36-45, 55-45
NRF/NBF/SSF
wet rotors
Series PL-30,
PL-36, PL-55
Series 100, PR and LR
Does not include
NRF/NBF-45
3/4” NPT 2-27/64” (61.5) 2” (50.5) 4-47/64” (120) 3.2 (1.5)
101222LF 1” NPTF IF 1” NPT 2-57/64” (73.3) 2-5/32” (54.7) 4-47/64” (120) 4.1 (1.9)
101223LF 1-1/4” NPTF IF 1-1/4” NPT 3-19/64” (84) 3” (76.2) 6-7/32” (158) 5.8 (26)
101241LF 1-1/2” NPTF IF 1-1/2” NPT 3-23/64” (85.5) 3” (76.2) 6-7/32” (158) 6.1 (28)
101226LF 3/4” SWT IF 3/4” SWT 2-41/64” (67) 2” (50.5) 4-23/32” (120) 3.2 (1.5)
101227LF 1” SWT IF 1” SWT 3” (75.3) 2-5/32” (54.7) 4-23/32” (120) 3.9 (1.8)
101228LF 1-1/4” SWT IF 1-1/4” SWT 3-25/64” (86) 3” (76.2) 6-7/32” (158) 5.4 (25)
101243LF 1-1/2” SWT IF 1-1/2” SWT 3-35/64” (90) 3” (76.2) 6-7/32” (158) 6 (27)
“IF” = “Isolation Flange”
Note: Dimensions and weights are approximate and subject to change. Contact factory for certified dimensions.
The part numbers and shipping weights are for two isolation flanges, capscrews and nuts.
Size
(NPT)
Master Carton of 12
Part No.
Set of 2
Part No.
Series 100, PR
NRF-22, NRF-9F/LW,
NRF-33, NRF-36
PL-30, PL-36, PL-55
ecocirc XL
3/4” 101001 101201
1” 101002 101202
1-1/4” 101003 101203
1-1/2” 101004 101204
Series HV, PL-45
PL-50, NRF-45
ecocirc XL
1” 101005 101205
1-1/4” 101006 101206
1-1/2” 101007 101207
Size
(NPT)
Set of 2
Part No.*
PL-75, PL-130/2
”
ecocirc XL 15-75
2”
101215
PL-130/3
”
ecocirc XL 40-275
2-1/2”
101219
3” 101217
Union
Connection
Set of Two
Model No. Part No.
NBF-22U, NBF-12U/LW
NBF-9U/LW
1/2” sweat UC-1/2S 113203LF
3/4” sweat UC-3/4S 113201LF
3/4” NPT UC-3/4NPT 113202LF
Size
(NPT)
Master Carton of 12
Part No.
Set of 2
Part No.
Series 100B, PRAB,
NBF-22, NBF-12F/LW,
NBF-33, NBF-36
PL-30B, PL-36B
ecocirc XLB
3/4” 101011LF 101208LF
1” 101012LF 101209LF
1-1/4” 101013LF 101210LF
1-1/2” 101014LF 101211LF
Series HV, PL-45B
PL-50B, NBF-45
ecocirc XLB
1” 101015LF 101212LF
1-1/4” 101016LF 101213LF
1-1/2” 101017LF 101214LF
Size
(NPT)
Set of 2
Part No.*
PL-75B, PL-130B/2
”
ecocirc XLB 15-75
2”
101216LF
PL-130B/3
”
ecocirc XLB 40-275
2-1/2”
101220LF
3” 101218LF
*Includes Fasteners
*Includes Fasteners