Sandpiper MP07D User Manual download pdf

WARREN RUPP, INC. A Unit of IDEX Corporation • P.O. Box 1568 • Mansfield, Ohio 44901-1568 USA • (419) 524-8388 Fax (419) 522-7867

Model MP07D Design Level 3 Page 1 520-134-000 3/03

PLEASE NOTE!

The photos shown in this manual are for general instruction only. Your specific

model may not be shown. Always refer to the parts list and exploded view drawing

for your specific model when installing, disassembling or servicing your pump.

PRINCIPLE OF OPERATION

All Marathon pumps, including this Spill Containment model, operate on the

same basic principle. They are powered by compressed air which alternately

pressurizes the inner sides of the two diaphragm chambers while simultaneously

exhausting the opposite inner chambers causing the diaphragms, which are

connected by a shaft, to move endwise. Since air pressure is applied over the entire

surface of the diaphragm which is forcing liquid to be discharged by its other side,

the diaphragm is operating under a balanced condition during the discharge stroke.

This allows the unit to be operated at discharge heads over 200 feet (61 meters) of

water head.

Alternate pressurizing and exhausting of the diaphragm chamber is performed

by an externally mounted, pilot-operated, four way, spool type air distribution valve.

When the spool is at one end of the valve body, inlet air pressure is connected to one

diaphragm chamber and the other diaphragm chamber is connected to the exhaust.

When the spool is removed to the opposite end of the valve body, the porting of

chambers is reversed. The air distribution valve spool is moved from one end position

to the other in the valve body by means of an internal pilot valve which alternately

pressurizes the ends of the air distribution valve spool while simultaneously

exhausting the other ends. The pilot valve is positively shifted at each end of the

diaphragm stroke by the diaphragm plate’s coming in contact with the end of the pilot

valve spool and pushing it into position for shifting of the air distribution valve. The

chambers are manifolded together with a suction and discharge check valve for each

chamber to maintain flow in one direction through the pump.

This Marathon pump differs from other Marathons only in that it utilizes four

diaphragms instead of two, the two rod-connected diaphragms being the driver

diaphragms, and the other two (outermost) diaphragms being the actual pumping

diaphragms. Each driver diaphragm (of Neoprene or other elastomer), and the

pumping diaphragm (of Teflon), are separated by a chamber filled with liquid which

transmits the reciprocating motion of the driver diaphragm to the pumping diaphragm.

The Teflon pumping diaphragms, in turn, create the alternating suction and discharge

action to each outer diaphragm chamber. The outer diaphragms are the only ones in

contact with the liquid being pumped.

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 fittings. High

vacuums reduce flow rate capability and shorten driver diaphragm service life.

Suction head is not recommended except where NPSH might so dictate.

For permanent installations involving rigid piping, install short flexible sections

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

removal of the pump for service when required. At time of installation, inspect all

external gasketed fasteners for looseness caused by gasket creep. Tighten

loose fittings securely to prevent leakage.

FILLING OF DRIVER CHAMBERS WITH LIQUID

THE DRIVER CHAMBERS WILL BE FILLED WITH WATER AT THE FACTORY.

If you prefer to substitute another liquid, to prevent system contamination consult

the factory first to determine compatibility of the substitute with pump construction.

Follow the steps listed below to replace the liquid in the pump after disassembly

or liquid loss:

IMPORTANT

Read these instructions completely,

before installation and start-up. 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.

WARNING

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.

BEFORE OPERATION

Before pump operation, all external

gasketed fasteners must be inspected

for looseness caused by gasket creep

after leaving the factory. Retorque

loose fasteners to insure against

leakage. Follow recommended

torques where called out. (A card is

attached to each new pump stating

this fact.)

CAUTION

This pump should not be applied in

pumping applications where the

driver liquid coming in contact with

the pumped liquid would create a

hazardous condition. This could

happen in case of a Teflon pumping

diaghragm failure since this

diaphragm normally separates the two

liquids. Also note that care must be

taken to guard against the operation

of this unit if it has been subjected to

freezing temperatures. Because of the

driver liquid used, possible

diaphragm failure may result.

A WARREN RUPP PUMP BRAND

SERVICE AND OPERATING MANUAL

Design Level 3

Model MP07D

1 2 3 4 5 6 7 8 9

Summary of Contents

Page 1 - Model MP07D

WARREN RUPP, INC. A Unit of IDEX Corporation • P.O. Box 1568 • Mansfield, Ohio 44901-1568 USA • (419) 524-8388 Fax (419) 522-7867Model MP07D Design L

Page 2 - Fig. 1 Safety clip

Model MP07D Design Level 3 Type 4 Page 2 520-134-000 3/03 1. Filling is accomplished through the pipe plugs at the top of the liquid driverchamber

Page 3

520-134-000 3/03 Model MP07D Design Level 3 Page 3or from a failed diaphragm, may prevent the spool from moving freely. This can causethe spool to

Page 4 - IMPORTANT

Model MP07D Design Level 3 Type 4 Page 4 520-134-000 3/03which secures the diaphragm and plate to the rod by keeping the diaphragmengaged with the

Page 5 - WARRANTY

520-134-000 3/03 Model MP07D Design Level 3 Page 5B. Make certain the suction line or strainer is not plugged. Restriction at the suctionis indica

Page 6

Model MP07D Design Level 3 Type 4 Page 6 520-134-000 3/03A WARREN RUPP PUMP BRANDSERVICE AND OPERATING MANUALDesign Level 3Model MP07D 1 070-006-1

Page 7

520-134-000 3/03 Model MP07D Design Level 3 Page 7 ITEM TOTAL NO. PART NUMBER DESCRIPTION RQD. 39 170-089-115 Capscrew, Hex Head 8 41 196-047-110

Page 8

Model MP07D Design Level 3 Type 4 Page 8 520-134-000 3/03NOTE: When electronic leak detector is used with this modelpump, the probes must be fitte

Page 9 - Serial Number:

Declaration of ConformityCEWarren Rupp, Inc., 800 North Main Street, Mansfield, Ohio, certifies that Air-Operated Double Diaphragm Metallic Pumps Seri

Comments to this Manuals

No comments

Sandpiper MP07D User Manual

Browse online or download User Manual for Pumps Sandpiper MP07D. SANDPIPER MP07D User Manual

Summary of Contents

Comments to this Manuals

Related products and manuals for Pumps Sandpiper MP07D