LaBour - LPLA/LHLASelf Primer PumpSelf Primer Pump

LPLA/LHLA Design

Capacities: 500 GPM (114m3/hr)

Head (max): 300 Ft (90 m)

Temperature (max): 500°F (245°C)

Materials:

Options

DI, 316SS, CD4MCU, Alloy 20, Hast, Monel, Ni., & Ti Mag Drive (MPL)

How it all started

Hydrobalance

LHLA/LPLA is Born

++==

Why change “the perfect pump”

• Mechanical Seal developmentMechanical Seal development– Stricter shaft tolerancesStricter shaft tolerances– Larger stuffing boxLarger stuffing box

• Ease of maintenanceEase of maintenance– Back Pull Out DesignBack Pull Out Design

• Shaft stiffness (L3/d4)Shaft stiffness (L3/d4)• Bearing design (7000 series Bearing design (7000 series

duplex)duplex)

OLD vs NEW STUFFING BOX DESIGNLHLA/LPLALHLA/LPLADHL/DPLDHL/DPL

L3/d4 (widely accepted is 60 max)

LL

dd

Group S Comparison

LHLALHLA DHLDHL 8796S8796S

Shaft dia.Shaft dia. 1.38”1.38” 1.0”1.0” 1.13”1.13”Imp. Imp. OverhangOverhang

6”6” 8.38”8.38” 6.1”6.1”

L3/d4L3/d4 60.460.4 587587 143143

Thrust Thrust brgbrg

73077307 207W207W 53065306

Discharge ArrangementLLHHLALA LLPPLALA

H = HorizontalH = Horizontal

P = PerpendicularP = Perpendicular

Models

With TrapWith Trap

Less TrapLess Trap

LHLALHLA LPLALPLA

Features & Benefits - LPLA/LHLA Liquid End

ANSI (LVA/TFA ) Back ANSI (LVA/TFA ) Back Pull Out Power EndPull Out Power End

LaBour’s HYDRO-BALANCELaBour’s HYDRO-BALANCEguarantees suction liftsguarantees suction lifts

of up to of up to 25 feet25 feet

Duplex AngularDuplex AngularThrust BearingThrust Bearing

Heavy Duty 316SS Heavy Duty 316SS or higher Alloy Shaftor higher Alloy Shaft

Lip Seals Standard Lip Seals Standard (Optional Lab. Seals)(Optional Lab. Seals)

External ImpellerExternal Impelleradjustment using jack boltsadjustment using jack bolts

AND shimsAND shims

DPL/DHL ‘Wet End’DPL/DHL ‘Wet End’

LHLA/LPLA Features• Considerably larger trap volumeConsiderably larger trap volume• Modular construction (you only replace Modular construction (you only replace

what is worn).what is worn).• Pump designed as a self primer (not an Pump designed as a self primer (not an

ANSI pump with trap)ANSI pump with trap)• Circular casing design (eliminating air Circular casing design (eliminating air

pockets)pockets)• All pumps tested for 20” vacuum All pumps tested for 20” vacuum

minimumminimum

Features & BenefitsStuffing Box Options (with or without Spiral Trac)

Standard Bore

Big Bore Taper Bore

Self Priming Cycle

1. Fill pump with 1. Fill pump with initial priming initial priming

charge.charge.

2. Start pump, impeller pulls 2. Start pump, impeller pulls liquid from trapliquid from trap

3. Mixture of Air/Liquid is expelled3. Mixture of Air/Liquid is expelled into the separator.into the separator.

4. Air is expelled thru discharge.4. Air is expelled thru discharge.

6. Cycle continues until all air is 6. Cycle continues until all air is evacuated from line.evacuated from line.

5. Liquid re-enters casing/trap thru5. Liquid re-enters casing/trap thrusecond throat to priming chamber.second throat to priming chamber.

Competition

• Gorman Rupp (industrial Gorman Rupp (industrial applications)applications)

• Flowserve (Durco)Flowserve (Durco)• GouldsGoulds• ANSI Mag (lined mag drive)ANSI Mag (lined mag drive)

Competition ComparisonManf. LaBour

LHLA/LPLA Peerless 8796

Goulds 3796

Duriron/ Flowserve

Dean Pump pHP 2110 & 230

# of Sizes

7

6

7

7

6

Service Range

500 GPM 300 ft

700 GPM 400 Ft

1250 GPM 430 Ft

1400 GPM 400 Ft

700 GPM 400 Ft

ANSI B73.1 Parts

Back-Pullout Less

Impeller

Back-Pullout Assembly

Back-Pullout Assembly

Back-Pullout Assembly

Back-Pullout Assembly

Volute Type

Repl. Suction Head

Repla Inner Volute

One Piece

One Piece One Piece

Static Suction Lift

25 Ft

20 Ft

20 Ft

20 Ft

20 Ft

LHLA/LPLA Pump Applications

• Vacuum Filtration (Komline Vacuum Filtration (Komline Sanderson, Sanderson, Siemens, US Filter)Siemens, US Filter)

• SumpsSumps• Tank Car UnloadingTank Car Unloading• Day Tank TransferDay Tank Transfer• Mine de-wateringMine de-watering

Tank Car Unloading

Tank Unloading

Komline Sanderson Vacuum Drum Filter

Vacuum Filtration Systems

‘‘A’A’

‘‘E’E’

‘‘B’B’

‘‘C’C’‘‘D’D’

‘‘A’A’ ‘‘C’C’ ‘‘D’D’

‘‘B’B’‘‘E’E’

‘‘F’F’

20”Hg20”Hg

‘‘D’D’‘‘A’A’

‘‘B’B’

‘‘E’E’

‘‘F’F’ ‘‘C’C’

Trouble Shooting Self Priming Pumps

• No Initial Priming ChargeNo Initial Priming Charge• Wrong Direction of RotationWrong Direction of Rotation• Air leaks in the suction lineAir leaks in the suction line• Discharge Check Valve without bleed lineDischarge Check Valve without bleed line• Suction lift too high (high S.G. or friction loss)Suction lift too high (high S.G. or friction loss)• Loss of Priming Charge Loss of Priming Charge • Low speedLow speed• Foaming liquid (does not release air well)Foaming liquid (does not release air well)• Packing type not designed for vacuum servicePacking type not designed for vacuum service• Wear or CorrosionWear or Corrosion

LaBour was the FIRST (and still is the) Premier Self Priming Pump Manufacturer.

Questions? Opportunities?Questions? Opportunities?