40
Installation and Operation Manual
NOTES: 1. Use CAUTION not to damage sensor during assembly.
2. Use Loctite PST 565 or equivalent Teflon tape to seal
pipe threads.
3. Maximum horizontal installation angle to allow proper
water drainage. Unit may also be installed in vertical
piping arrangement.
FoamPro Flowmeter
Assy. Part A B C D Maximum Accuracy Maximum Operating
Number Flow Range (gpm) Flow Range (gpm)
2660-0030 1-1/2’’—11-1/2’’ NPT 2’’ Pipe 7-3/8’’ [188 mm] 3-7/8’’ [99 mm] 5-110 3-145
NOTE 1’’ I.D. Bore
2660-0031 1-1/2”—11-1/2” NPT 2” Pipe 5-3/8” [137 mm] 4-1/8” [105 mm] 10-320 3-380
2660-0031B 1-1/2”—11” BSP 2” Pipe 5-3/8” [137 mm] 4-1/8” [105 mm] 10-320 3-380
2660-0032 2”—11-1/2” NPT 2-1/2” Pipe 5-3/8” [137 mm] 4-3/8” [111 mm] 15-520 5-625
2660-0032B 2”—11” BSP 2-1/2” Pipe 5-3/8” [137 mm] 4-3/8” [111 mm] 15-520 5-625
2660-0033 2-1/2”—8” NPT 3” Pipe 5-3/8” [137 mm] 4-9/16” [116 mm] 20-750 8-900
2600-0033B 2-1/2”-11” BSP 3” Pipe 5-3/8” [137 mm] 4-9/16” [116 mm] 20-750 8-900
2660-0034 3”—8” NPT 4” Pipe 5-1/2” [140 mm] 4-7/8” [124 mm] 30-1150 12-1380
2600-0034B 3”—11” BSP 4” Pipe 5-1/2” [140 mm] 4-7/8” [124 mm] 30-1150 12-1380
2600-0035 4”—8” NPT 5” Pipe 5-1/2” [140 mm] 5-3/8” [137mm] 55-1980 20-2380
2660-0035B 4”—11” BSP 5” Pipe 5-1/2” [140 mm] 5-3/8” [137mm] 55-1980 20-2380
FoamPro Manifold
Assy. Part A B C D Maximum Accuracy Maximum Operating
Number Flow Range Flow Range
2660-0051 8.5” (216mm) 4.0” (102mm) 1/2” NPT 1-1/2” Pipe 10-320 gpm (38-1211 Lpm) 3-380 gpm (11-1438 Lpm)
2660-0052 8.5” (216mm) 4.3” (109mm) 1/2” NPT 2” Pipe 15-520 gpm (57-1968 Lpm) 5-625 gpm (19-2365 Lpm)
2660-0053 9.5” (241mm) 4.5” (114mm) 3/4” NPT 2-1/2” Pipe 20-750 gpm (76-2840 Lpm) 8-900 gpm (30-3406 Lpm)
2660-0054 9.5” (241mm) 6.3” (160mm) 3/4” NPT 3” Pipe 30-1150 gpm (113-4350 Lpm) 12-1380 gpm (46-5220 Lpm)
2660-0055 11.5” (292mm) 5.2” (132mm 1” NPT 4” Pipe 55-1980 gpm (208-7495 Lpm) 20-2380 gpm (76-9009 Lpm)
* = Minimum sensor
service clearance.
Flowmeter Assembly
2660-0056
O-Rings
Retaining Pin
D
C
4.00* min.
(102 mm)
A
Female
Pipe Threads
3.12* min.
(79 mm)
Grooved for B Pipe
See
Note #3
1
85° max.
“C” Injection Port
1/4" NPT Drain Port
1/4" Pipe Plug 2406-0039
“D” Groove Victaulic
Both Ends
Foam Manifold
w/Check Valve
Retaining Pin
1600-0062
“A”
“B”
4.0" (102mm) minimum
Service Clearance
Flowmeter Assembly
2660-0056
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