Sandpiper G20 Manual do Utilizador descarregar pdf (Página 9)

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Model G20 Metallic • 6

g20mdl1sm-rev0614

Installation And Start-Up

Locate the pump as close to the product being pumped as possible. Keep the suction line length and number of ttings to a minimum. Do not reduce the suction line

diameter.

Gas Supply

Connect the pump gas inlet to an gas supply with sufcient capacity and pressure to achieve desired performance. A pressure regulating valve should be installed to

insure gas supply pressure does not exceed recommended limits.

Gas Valve Lubrication

The gas distribution system is designed to operate WITHOUT lubrication. This is the standard mode of operation. If lubrication is desired, install an gas line lubricator

set to deliver one drop of SAE 10 non-detergent oil for every 20 SCFM (9.4 liters/sec.) of gas the pump consumes. Consult the Performance Curve to determine gas

consumption.

Gas Line Moisture

Water in the compressed gas supply may cause icing or freezing of the exhaust gas, causing the pump to cycle erratically or stop operating. Water in the gas supply

can be reduced by using a point-of-use gas dryer.

Gas Inlet And Priming

To start the pump, slightly open the gas shut-off valve. After the pump primes, the gas valve can be opened to increase gas ow as desired. If opening the valve

increases cycling rate, but does not increase the rate of ow, cavitation has occurred. The valve should be closed slightly to obtain the most efcient gas ow to pump

ow ratio.

Recommended Installation Guide

Top Discharge Ball Valve Pump

CAUTION

The gas exhaust should

be piped to an area

for safe disposition

of the product being

pumped, in the event of

a diaphragm failure.

Natural Gas Exhaust

Natural Gas Inlet

Natural gas

supply conductive

piping must be supported

Gas Shut-Off

Valve

Available from Warren Rupp

Flexible

Conductive

Connection

Regulator

w/Gauge

Filter

Pipe Connection

(Style Optional)

Gauge

Shut-Off

Valve

SUCTION

Drain Port

Flexible

Connection

The pump must be rigidly mounted in the horizontal position with

fasteners to a conductive base or natural ground.

020.064.000 Filter

VENTING WARNING: This lter is equipped with a stainless steel manual drain. The port is 1/8" NPT. When draining moisture from the lter, rst shut off the

natural gas supply.

020.059.000 REGULATOR WITH GAGE

PRESSURE WARNING: This regulator is to be installed at point of use with the pump. The maximum gas supply is 400psi. Full line pressure needs to be

regulated below 400psi prior to the regulator installation position.

VENTING WARNING: This regulator is equipped with a 1/4" NPT vent port. In the event of a diaphragm

rupture, natural gas can be exhausted into the surrounding environment. Connect a conductive hose or

pipe to the vent port to send the escaping natural gas to a safe area for gas reclamation. Make sure to

ground the regulator, hose, and/or pipe.

SUBMERGED ILLUSTRATION

UNIVERSAL ALL AODD, EXCEPT FLAP

2: INSTAL & OP

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