INSTALLATION
5
CL491 (11-04-19)
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.
4. Disconnectpipingfromelbowontankcoverflange.
5. Carefullyturntankupsidedownorlayonitsside.
Heavy parts. Retained water in tank
may cause sudden weight shift when lowering.
Support tank so it cannot fall when being lowered
or inverted.
6. If bladder leaks, water will run out of valve. If so,
replace bladder.
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 65 in-lbs.
NOTICE: When using metal pipe with plastic fittings, use
only PTFE pipe thread sealant 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 in Figure 5. Second leg of tee goes to tank elbow.
Third leg goes to existing service
PRODUCT INFORMATION – PRE-CHARGED TANKS
Model
Drawdown - Gals (L)
20-40 PSI (138-276kPa) 30-50 PSI (207-345kPa) 40-60 PSI (276-414kPa)
CLPT20 6.9 (26.1) 5.8 (22) 5.0 (18.9)
CLPT20H 6.9 (26.1) 5.8 (22) 5.0 (18.9)
CLPT36 12.7 (48.1) 10.7 (40.5) 9.3 (35.2)
CLPT85 30.0 (113.6) 26.0 (98.4) 22.0 (83.3)
CLPT119 41.3 (156.3) 35.4 (134.0) 31.0 (117.3)
Model
Maximum
Capacity US
Gals (L)
Equivalent to
Standard Tank
US Gals (L)
Tank Diameter
(mm)
Tank Height
(mm)
Tank Discharge
Tapping
CLPT20 19 (72) 42 (159) 16” (406) 30-1/8” (765) 1”
CLPT20H 19 (72) 42 (159) 16” (406) *24-5/8” (625) 1”
CLPT36 35 (132) 82 (310) 20” (508) 36-1/4” (921) 1”
CLPT85 85 (322) 220 (833) 24” (610) 54” (1372) 1-1/4”
CLPT119 119 (450) 320 (1211) 24” (610) 68” (1727) 1-1/4”
* Length overall; this model is a horizontal tank.
Figure 5 - Typical installation with vertical pre-charge
tank and submersible well pumps
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