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Installation
Te sting For Bladder
Leakage
Step 1. Disconnect power to pump.
Step 2 Drain water from tank bladder by
opening faucet closest to tank.
Step 3. Remove valve cap and release all
pressure by depressing valve core. When
air stops coming from valve, remove
valve core to release remaining pressure.
Step 4. Disconnect piping from elbow on tank
cover flange.
Step 5. Carefully turn tank upside down or lay on
its side.
NOTICE Retained water in tank may cause
sudden weight shift when lowering. Support tank
so it cannot fall when being lowered or inverted.
Step 6. If bladder leaks, water will run out of
valve. If so, replace bladder.
Step 7. If replacing bladder, be sure air
and water pressures are relieved
before removing cover flange. When
reassembling cover flange, do not
tighten nuts or mounting studs more than
85 in-lbs. (9.6 Nm).
Product Information – Pre-Charged Tanks
Catalog
Number
FP7100
FP7100H
FP7110T
FP7110TH
FP7110
FP7120
FP7125
FP7130
FP7135
Catalog
Capacity US
Number
FP7100
FP7100H
FP7110T
FP7110TH
FP7110
FP7120
FP7125
FP7130
FP7135
* Overall length; this model is a horizontal tank.
For parts or assistance, call Flotec Customer Service at
20-40 PSI
(138-276 kPa)
2.2 (8.3)
2.2 (8.3)
6.9 (26.1)
6.9 (26.1)
6.9 (26.1)
12.7 (48.1)
18.3 (69.3)
30.0 (113.6)
41.3 (156.3)
Maximum
Equivalent to
Standard Tank
GALS (L)
US GALS (L)
6 (23)
15 (57)
6 (23)
15 (57)
19 (72)
42 (159)
19 (72)
42 (159)
19 (72)
42 (159)
35 (132)
82 (310)
50 (189)
120 (454)
85 (322)
220 (833)
119 (450)
320 (1211)
Pressure
Pressure
Switch
From Well
Figure 5 - Typical installation with vertical pre-
charge tank and submersible well pumps
NOTICE When using metal pipe with plastic
fittings use only pipe thread sealant tape tape on
male threads.
NOTICE Most standard tanks have separate inlet
and outlet ports. Pre-charge tanks have one port
serving both functions. When replacing standard
tank with a pre-charge tank, run pipe from
pump into a tee as shown. 2nd leg of tee goes
to tank elbow; 3rd leg goes to existing service.
Drawdown - Gals(L)
30-50 PSI
(207-345 kPa)
1.8 (6.8)
1.8 (6.8)
5.9 (22)
5.9 (22)
5.9 (22)
10.7 (40.5)
15.5 (58.7)
26.0 (98.4)
35.4 (134.0)
Tank
Diameter
(mm)
12" (305)
12" (305)
16" (406)
16" (406)
20" (508)
20" (508)
24" (610)
24" (610)
24" (610)
To service
Pressure
Relief Valve
Gauge
40-60 PSI
(276-414 kPa)
1.6 (6.1)
1.6 (6.1)
5.0 (18.9)
5.0 (18.9)
5.0 (18.9)
9.3 (35.2)
13.4 (50.7)
22.0 (83.3)
31.0 (117.3)
Overall
Height
(mm)
16 1/2" (419)
*16 1/2" (419)
30 1/8" (765)
*24 5/8" (625)
22 3/4" (578)
36 1/4" (921)
34 3/4" (883)
54" (1372)
68" (1727)
800-365-6832
5
160 0893
Tank Discharge
Tapping
.75"
.75"
1"
1"
1"
1"
1.25"
1.25"
1.25"
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