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eh2-sh2dl4sm-rev0614 Model EH2-M & SH2-M Page 1

PRINCIPLE OF OPERATION

This pump is a 2:1 pressure ratio single acting pump powered by compressed air.

The 2:1 ratio is achieved by simultaneously applying air pressure over a single end

of each of two pistons connected in series by a shaft. The two pressurized ends are

those most distant from the pumped uid, with the force from the air pressure exerted

in the direction of the pumped uid. The combined force is transferred through to the

single end of the piston nearer to the pumped uid—the single piston end having an

area equal to one-half that of the two “air” ends—and then through a uid cell to a

single pumping diaphragm.

On this single acting pump the suction stroke is independent of all discharge

conditions and requires less air pressure than the discharge stroke. The suction

stroke is accomplished through an air regulator which pressurizes the piston area

in the rear cylinder adjacent to the intermediate bracket, while simultaneously

exhausting the other two piston areas: one in the front cylinder, adjacent to the

intermediate bracket, and the other behind the rear cylinder piston, adjacent to the

cap end.

OPERATION

The regulator is factory preset to 30 psi. After the pump is installed and in

operation, the operator should raise or lower the setting until maximum

performance is determined by trial and error. A setting which is too high will result

in excessively rapid and noisy operation, with a loss in performance and eventually

shortened pump life.

The hose assemblies deliver air to the non-wetted portions of the pump, and care

should be taken that they are neither crimped nor cut.

INSTALLATION PROCEDURES

Position the pump as close as possible to the source of the liquid to be pumped.

Avoid long or undersize suction lines and use the minimum number of ttings.

For permanent installation involving rigid piping, install short exible sections

of hose between the pump and piping. This reduces strains and permits easier

removal of the pump for service when required.

AIR SUPPLY

Do not connect the unit to an air supply in excess of 125 PSI (8.61 bars).

Install a shutoff valve in the air supply line to permit removal of the unit for servic-

ing. When connecting an air supply of rigid piping, mount a section of exible line

to the pump to eliminate piping strain. In permanent installations, an air line lter is

recommended.

FREEZING OR ICING OF EXHAUST

Icing of the air exhaust can occur under certain conditions of temperature and

humidity on compressed air power equipment. Icing is more likely to occur at

high discharge pressures. Use of the Warren Rupp Air Dryer should eliminate the

problem.

MAINTENANCE AFTER USE

When the pump is used for materials that tend to settle out or transform from liquid

to solid form, care must be taken after each use or during idle time to remove them

and ush the pump as required to prevent damage. In freezing temperatures the pump

must be completely drained when idle. This model must be tilted to allow the liquid

from the chambers to run out of the discharge port.

In the event of

diaphragm rupture,

pumped material may

enter the air end of

the pump, and be

discharged into the atmosphere. The air

exhaust must be piped to an appropriate

area for safe disposition.

WARNING

Before maintenance

or repair, shut off the

com-pressed air line,

bleed the pressure,

and disconnect the air

line from the pump.

The discharge line may be pressurized

and must be bled of its pressure.

WARNING

Before pump

operation, inspect all

gasketed fasteners

for looseness caused

by gasket creep.

Re-torque loose fasteners to prevent

leakage. Follow recommended torques

stated in this manual.

CAUTION

Take action to prevent

static sparking. Fire

or explosion can

result, especially

when handling

flammable liquids.

The pump, piping, valves,

containers or other miscellaneous

equipment must be grounded.

WARNING

Read these safety

warnings and

instructions in this

manual completely,

before installation and start-up of the pump.

It is the responsibility of the purchaser to

retain this manual for reference. Failure to

comply with the recommendations stated

in this manual will damage the pump, and

void factory warranty.

IMPORTANT

SERVICE AND OPERATING MANUAL

HIGH PRESSURE DUTY Type 4

Model EH2-M & SH2-M

II 2G c T5

II 3/2 G c T5

II 2GD T5

Warren Rupp, Inc. • A Unit of IDEX Corporation • 800 N. Main St., Manseld, Ohio 44902 USA

Telephone (419) 524-8388 • Fax (419) 522-7867 • warrenrupp.com

CAUTION

Pump not designed,

tested or certified

to be powered

by compressed

natural gas.

Powering the pump with natural gas will

void the warranty.

1 2 3 4 5 6 ... 10 11

Resumo do Conteúdo

Página 1 - Model EH2-M & SH2-M

eh2-sh2dl4sm-rev0614 Model EH2-M & SH2-M Page 1PRINCIPLE OF OPERATIONThis pump is a 2:1 pressure ratio single acting pump powered by compressed

Página 2 - AIR VALVE LUBRICATION

Signature of authorized personRevision Level: FPrinted name of authorized personDavid RoseberryDate of issueOctober 20, 2005TitleEngineering ManagerDa

Página 3

In accordance with ANNEX VIII ATEX Directive 94/9/EC, Equipment intended for use in potentially explosive environments.Air Operated Double Diaphragm P

Página 4 - ACCESSORIES

Model EH2-M & SH2-M Page 2 eh2-sh2dl4sm-rev0614CHECK VALVE SERVICINGNeed for inspection or service is usually indicated by poor priming, unstabl

Página 5

eh2-sh2dl4sm-rev0614 Model EH2-M & SH2-M Page 3move back and forth freely. This is most important when the air supply is lubricated. If a lubri

Página 6 - ITEM TOTAL

Model EH2-M & SH2-M Page 4 eh2-sh2dl4sm-rev0614TROUBLE SHOOTING1. Pump will not cycleA. Check to make sure the unit has enough pressure to opera

Página 7 - Repair Parts Kit for SH2:

eh2-sh2dl4sm-rev0614 Model EH2-M & SH2-M Page 5 ITEM TOTAL NO. PART NUMBER DESCRIPTION RQD. Repair Parts shown in bold face (darker) t

Página 8 - eh2-sh2type4sm-REV0614

Model EH2-M & SH2-M Page 6 eh2-sh2dl4sm-rev0614 ITEM TOTAL NO. PART NUMBER DESCRIPTION RQD. Repair Parts shown in bold face (darker) ty

Página 9 - SANDPIPER PUMP - ADDER SHEET

eh2-sh2dl4sm-rev0614 Model EH2-M & SH2-M Page 7AVAILABLE REPAIR PART KITSITEMNO. PART NUMBER DESCRIPTION 476-048-360 WETTED END KIT (CI

Página 10 - Declaration of Conformity

Model EH2-M Page 8 eh2-sh2type4sm-REV0614USE OF Virgin PTFE DIAPHRAGM:When the Teon diaphragm (item 64) is required, an outer pl

Página 11 - EC Declaration of Conformity

eh2-sh2dl4sm-rev0614 Model EH2-M & SH2-M Page 9SH2-M TYPE 7 SANDPIPER PUMP - ADDER SHEETITEM PART NO. DESCRIPTION QTYA. 196-002-155 Outer

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Sandpiper SH2-M Manual do Utilizador

Consulte online ou descarregue Manual do Utilizador para Bombas Sandpiper SH2-M. SANDPIPER SH2-M User Manual Manual do Utilizador

Resumo do Conteúdo

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