T.E.(Terry) Manning
Schoener 50
1771 ED Wieringerwerf
The Netherlands
Tel/fax 0031-227-604128
Homepage: http://www.flowman.nl
E-mail:pumps@flowman.nl

FLOWMAN

ADVANCED PUMP TECHNOLOGIES

Edition 03 : 01 January, 2002

Description of the Milky Whey LR liquid ring sanitary pumps

Self-priming liquid ring impeller sanitary pumps made from die-pressed stainless steel aisi 316 with capacities up to 55m3 per hour and heads up to 35m sold either as wet end alone; pump and motor; pump and motor with motor cover (shroud) and tripod; pump and motor with motor cover (shroud) and stainless steel trolley mount.
The pump is particularly suitable for high flow liquid transfer. A version with petrol driven engine is available.

The Milky Whey LR pumps are designed and manufactured to offer maximum hygiene and to avoid risk of contamination of the liquid pumped. They feature :
*Self-priming to 4 meters after initial priming.
*Careful internal and external polishing to ensure maximum hygiene, elimination of residues and deposits, and enhanced resistance to corrosion.
*Easy and rapid opening without tools for complete inspection and maintenance.
*Availability of stainless steel motor covers (shrouds), tripods, and trolleys.
*Inlets and outlets male threaded to DIN standards 1181, or with gas threads or with flanges.
*Motors with IP55 protection suitable for continuous duty.
*Entirely in aisi 316 die-pressed stainless steel.
*Sanitary alumina (aluminium oxide) mechanical rotative seals with EPDM rubbers
*Temperature -10 degrees C to +100 degrees centigrade
*Maximum system pressure 3.5 bar.


Applications

Milky Whey LR pumps can be used for clean non-aggressive liquids (including alimentary liquids). The pump will pass small solids in suspension, such as, as, for instance, liquids for calf feeding and similar. For denser liquids the 1400 rpm version of the pump should be used.

Do NOT use Milky Whey LR pumps for:

Liquids which are generally aggressive and dangerous to health and to persons animals and things in general, such by way of example as acids, solvents, naphtalene, chloric acid, hydrochloric acid in any concentration, hydrofluoric acid, muriatic acid, sulphuric acid, sulphur chloride, hydrobormic acid, silver chloride, molten antimony and aluminium, ammonia, sulphur chloride.

Milky Whey LR pumps must not be used with inflammable liquids or in environments where there is risk of explosion.


SPECIFICATIONS


Capacity

All readings are with water at 15 degrees centigrade, specific weight 1000 F/m3 and atmospheric pressure equal to 750mm Hg and are accurate to +/- 5%

Milky Whey LR pumps with 2 pole 2800 rpm motors

Milky Whey LR 4HP 2800 RPM INLET AND OUTLET DIN 50 THREE PHASE

Head in meters_______2____5___10___15____20____25____28____30
Liters/minute_______820__770__650__540___410____230___100___max.

Milky Whey LR 7.5HP 2800 RPM INLET AND OUTLET DIN 50 THREE PHASE

Head in meters_______2____5___10___15____20____25____30____34____35
Liters/minute_______930__900__880__850___700____540__350___150___max.

Milky Whey LR pumps with 4 pole 1400 rpm motors

Milky Whey LR 3HP 1400 RPM INLET AND OUTLET DIN 50 THREE PHASE

Head in meters_______0___2.5___5___7.5
Liters/minute_______400__330__270__150


Gross dimensions in millimeters for units complete with motor cover(shroud) and tripod

3HP motor4HP motor7.5HP motor
Total length585585605
Height of motor cover285285330
Height from tripod base345345375
Height base tripod to center axis195195200
Center line inlet to center line outlet098098098


Motor specifications

Electric motors are standard B3/B5 multitension multicycle. Enclosed externally ventilated IP55 continuous duty

1400 RPM MOTORS

Milky Whey LR 1400 RPM 3 HP

_KW__RPM__Voltage__Hertz__Amperes___Cos@__Frame__Flange__Shaft__Standard
_2.20_1410__220/380___50____8.5/4.90___0.80____100___100-D__28mm__yes
_2.20_1430__240/420___50____8.6/5.00___0.71
_2.60_1640__220/380___60___10.2/5.90___0.85
_2.60_1660__240/420___60____9.0/5.20___0.83
_2.60_1700__265/460___60____8.5/4.90___0.75

2800 RPM MOTORS

Milky Whey LR 2800 RPM 4HP
Information pending

Milky Whey LR 2800 RPM 7.5HP

_KW__RPM__Voltage__Hertz__Amperes___Cos@__Frame__Flange__Shaft__Standard
_5.50_2880__380/660___50___11.8/6.80___0.83____132____100-D_28mm___no
_5.50_2900__420/726___50___12.1/6.90___0.75
_6.60_3380__380/660___60___13.4/7.70___0.88
_6.60_3410__420/726___60___12.3/7.10___0.86
_6.60_3440__460/795___60___11.8/6.30___0.81


Acoustic pressure (noise) in decibels

The maximum noise level with open inlet is 84.1 dBA (with Milky Whey LR 7.5HP)
The maximum noise level under load is 73.2 dBA (with Milky Whey LR 7.5 HP)


Seals

OPERATING LIMITS

Pressure : 6 bar
Fluid speed: 12 meters/second
Temperature : -30 degrees C to 90 degrees C

Part 01Rotating part-seal supportstainless steel CrNiMo
Part 02Rotating part-springstainless steel CrNiMo
Part 03Rotating part-stop ringstainless steel CrNiMo
Part 04Rotating part-sealEPDM
Part 05Rotating part-external casingstainless steel CrNiMo
Part 06Rotating part-contact ringgraphite
Part 07Fixed part-counterfacealumina (aluminium oxide)
Part 08Fixed part-seal97EPDM

SEAL DIMENSIONS
Codes (refer to the above drawing)

d1Shaft diameter40
d3External diameter of seal65
i3Height of rotating part of seal18
d4Seal chamber diameter72
d7Diameter of fixed part of seal68
i4Height of fixed part of seal12
d6Diameter of shaft passage43
i1Total height of seal30


FOR MORE INFORMATION ON THE MILKY WHEY LR LIQUID RING SANITARY PUMP PLEASE GO TO

PHOTO AND DRAWING WITH PARTS/MATERIALS

PRICES AND SALES CONDITIONS

INSTRUCTIONS FOR INSTALLATION AND MAINTENANCE



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If you cannot find the information you require on these pages, please contact Terry Manning
by e-mail on : pumps@flowman.nl or
telephone or fax him at 0031-227-604128.

E-mail Terry Manning