SHURflo 182-100 Installation Manual

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SHURflo 182-100 Installation manual - Page 1
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SHURflo 182-100 Installation manual - Page 2
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ACCUMULATOR TANK: Model 182
INSTALLATION MANUAL
The SHURflo Accumulator tank is a bladder type pressure storage vessel and/or pulsation-dampening device designed to
hold water under pressure. The accumulator tank provides additional water storage to assist the pump in meeting the total
demands of the system. It extends pressure switch-controlled pump life by reducing pump on-off pulsation.
NOTE: This product is not recommended for use with a 4900 or 5900 Series Smart Sensor Pump.
See Product label and Specifications section on page 2 for factory pre-charge pressure. Do not exceed
40 psi [2.7 bar] pressure for long-term storage, shipping, or during system non-use.
It is recommended the pre-charge be checked seasonally, or any time the accumulator does not appear to be
functioning properly. Temperature extremes and changes in altitude can affect accumulator pressure and
performance. Use a standard tire pressure gauge to check the pressure. The valve stem cap MUST be tight to
prevent air leakage.
The accumulator may be placed anywhere in the pressurized side of the plumbing. It should be installed after the
pump and before any filters or check valves that can add backpressure to the pump or system. The ports are non-
directional in flow and do not have to be plumbed in line (one side can be capped).
The accumulator can be mounted in any position. However, for complete sanitizing/winterizing, the recommended
mounting position is with pre-charge valve stem up. Do not freeze or mount near a high heat source.
Threaded fittings (plastic/nylon only) should be torqued approximately 1/2 to 1 turn after hand-tightened. Never
exceed 6 ft/lbs [88 Nm] of torque on the ports. Plumb the system using high pressure (2x pump rating), braided,
flexible tubing to minimize vibration/noise.
RV/MARINE APPLICATIONS WITH PRESSURE SWITCH-CONTROLLED PUMPS
The accumulator contributes to longer pump life, less noise, less amperage draw, and reduced water pulsation. The most
efficient use of the accumulator occurs with the pre-charge set at the SAME pressure as the pump’s pressure switch “turn
on” setting. Typically, a 45 psi [3 bar] pump will turn on around 30 psi [2.07 bar]. Therefore, the pre-charge should also be
30 psi [2.07 bar]. The pre-charge MUST be set in a “static” condition (pump off and at least one water fixture opened).
Depending on pre-charge pressure to the accumulator, in relation to the pump turn on/off pressures, stored liquid is about
2 to 4 oz. [60-120 ml]. If accumulator tank pre-charge exceeds pump turn on pressure, the liquid volume is reduced.
WATER HAMMER APPLICATIONS
When used as a dampening device/water hammer or noise suppressor, the pre-charge should be set at the operating
(dynamic) pressure. Place a gauge in the offending plumbing where the accumulator can be mounted. Adjust the valve so
the noise is generated and read the pressure. Set the pre-charge to the observed pressure, remove the gauge, and install
the accumulator. Refer to SHURflo Service Bulletin #1024 for more application information.
182 Accumulator
Base
Air
Valve
½”-14
NPSM
Ports
911-731-C 08/06 ECN 12681 Page 1 of 2
One tank port
is ca
pp
ed
One tank
port is
ca
pp
ed
T
yp
ical Accumulator Installations
Accumulator installed next to
p
um
p
In-line installation: Screw included fittings on
tank and cut ½” flex line on outlet side of pump.
Use hose clamps to tighten hose to fittings.
Tee installation: Water does not need to go
through accumulator. Cap one end of tank and
install as shown. Tank still adds pressurized
volume to system.
Accumulator installed in-line
Accumulator installed with tee fitting
Dual swivel included
in retail pack.