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Rotary Vane Drum Pump

  • Alemlube 501A Rotary Action Manual Drum Pump
$220.00 (inc GST) $200.00 (exc GST)
10.00 KGS
Freight charges dependent on destination & quoted after receipt of order. We will source most competitive freight charges for you. Item freight costs to be paid by customer prior to dispatch.
Calculated at checkout

$220.00 (inc GST) $200.00 (exc GST)">


Rotary Drum Pump

The Alemlube 501A rotary action manual drum pump is suitable for the transfer of oil, diesel and petrol from 60 and 205 litre drums and bulk tanks. The gladiator 501A rotary drum pumps vanes make it also suitable for the transfer of diesel fuel, unleaded and leaded petrol. The Gladiator 501A comes complete with 2.2 metres of anti static fuel hose, spout, spout holster and 2” BSP bung adaptor & delivers approximately 18 litres per minute or 0.26 litres per rotation when pumping diesel fuel.


Pump Specifications

Use: Diesel, petrols, kerosene, lube oil and machine oil
Discharge Volume: Approximately 70 turns / 18 litres per minute
Inlet: Suction Tube: 31.8mm (1¼”)&nbsp
Outlet: Delivery Hose: 19.05mm (3/4”) ID x 2.2 metres
Materials: Body hardened aluminum alloy; Handle - aluminum die cast
  Seal - Buna N; Hose–anti static fuel hose







Assembly Instructions

Mount handle assembly to the pump body with the aid of the bolt. Connect the outlet tube & the bung and then screw suction tube together with adaptor into the inlet of pump body.

When assembling pump & tubes, please ensure that all threads are completely airtight (use thread tape) otherwise the pump will not prime. Test prime by putting your hand over the bottom of the pump body inlet hole, turn handle in a clockwise direction. If you feel a strong suction on the palm of your hand the pump is operating correctly and is now ready to mount into the drum. If not, add a few drops of oil through the inlet hole and turn handle to lubricate internals. If pumping fuels and the pump does not prime, lubricate pump body with some oil via the pump inlet This may be performed as required if using petrol which can dry out the vanes inside reducing suction & priming.


Operating Instructions

When using as a siphon pump

  1. Turn the handle 5 or 6 times. When the liquid begins to flow from the outlet, place handle at a horizontal direction.
  2. If the liquid stops being transferred flowing, move the handle slightly.
  3. After use, fix the handle to the indicated point. Then the liquid inside the pump can now flow back into the drum.
  4. Siphoning will not work when pumping liquid of a high viscosity. The pump will not siphon successfully unless all hose and pump joints are fully tightened up and all connection points are completely airtight.


Do not use this pump for transferring solvents, strong alkalis or acids as the pumps seals and gaskets are incompatible with aggressive solutions.


Parts And Drawing Breakdown For The 501A



Parts List – Part No. 501A

1 501A-1 Grip Shaft 1
2 501A-2 Handle 1
3 501A-3 Handle Shaft 1
4 501A-4 Locking Bolt 1
5 501A-5 Locking Bolt 1
501A-6 Pump Cover 1
501A-7 Oil Seal 1
8 501A-8 Rotor 1
501A-9 Vane 1
10  501A-10 O-Ring 1
11  501A-11 Pump Body 1
12 501A-12 Outlet Spout 1
13 501A-13 Hose Clamp 1
14 501A-14 Anti-satic Delivery Hose 1
15  501A-15 Vane Pin 1
16 501A-16 Vane Spring 1
17 501A-17 Vane 1
18 501A-18 Rubber Shroud 1
19 501A-19 Bung Adapter 1
20 501A-20 Upper Suction Tube 1
21 501A-21 Lower Sunction Tube 1
22 501A-22 Spout Holster 1
23 501A-23 Hose Clamp 1
24 501A-24 Delivery Spout 1



Warranty Information

Your Alemlube product is warranted to the original user against defects in workmanship or materials under normal use for a period of twenty four months* after purchase date. Any products which is determined to be defective in material and workmanship and returned to Alemlube P/L, shipping costs prepaid, will be repaired or replaced at Alemlube’s option.
This warranty also covers parts that are subject to wear such as O rings, packings, seals, springs, electronic and even electrical components.
The warranty does not cover damage or failure which in the judgement od Alemlube arises from misuse, abrasion, corrosion, negligence, accidental damage, faulty installation or tampering. If Alemlube inspection discloses no defect in material or workmanship, repair or replacement and return will be made at customary charges.

*Applies to the vast majority of Alemlube products.

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