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Details about  12V DC 2 STAGE VACUUM PUMP KIT→ silicone/resin degas, small lab/hobby

12V DC 2 STAGE VACUUM PUMP KIT→ silicone/resin degas, small lab/hobby See original listing
12V-DC-2-STAGE-VACUUM-PUMP-KIT-silicone-resin-degas-small-lab-hobby
Item Ended
Item condition:
New
Ended:
07 Dec, 2013 00:06:48 GMT
Price:
£44.90
[
History:
]
Postage:
£8.15 Standard Delivery | See details
Item location:
London, United Kingdom

Description

eBay item number:
260954242025
Seller assumes all responsibility for this listing.
Last updated on  20 Nov, 2013 16:30:03 GMT  View all revisions
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Item specifics

Condition:
New: A brand-new, unused, unopened and undamaged item in original retail packaging (where packaging is ... Read moreabout the condition
 
Achieve down to -26" Hg vacuum with 2 x 12V vacuum pumps connected in series
Pump system is all plastic and electrically isolated
Maintenance free and easy setup
Each pump is 9cm x 7cm x 4cm and weighs 260g
Comes with 2.1mm female DC input connectors, PSUs and hose
Overview
Specifications
FAQ
Setup Instructions
This Pump Kit produces a high level of vacuum using a 12V supply or from household mains using the supplied mains power adapters (PSUs). Its modular design gives the flexibility to use it in projects requiring -20" Hg or -26" Hg vacuum. In high vacuum mode this kit has diverse lab/light industrial/hobby applications from degassing silicon resin to vacuum distillation.

We also sell related items at our store ThinkItMakeIt.
This 2 stage vacuum pump kit comprises of 2 vacuum pumps which can be set up in series (more vacuum/pressure) or parallel (higher flow rate)

Vacuum range (2 Pumps In Series): -26" Hg to 0" Hg (-0.88 to 0 Bar)
Free flow range (1 Pump): 9-15 LPM (litres per minute)
Pump Dimensions (1 Pump): 7cm x 4cm x 9cm (length x width x height)
Each pump weights 260g
Inlet and outlet nozzels are 1/4" barbs  
Time to maximum vacuum in approx. 1min per litre of vacuum chamber volume 


You will receive:

2x 12V Diaphragm Vacuum Pumps
2x 2.1mm DC Female Input Connectors
1x 110-240V Power Supply (PSU) with mains adapter suitable to your country
1.2 m Length 6mm (1/4") Internal Diameter Standard Hose

All the components in this kit are new.
For any more questions you might have please contact us on the eBay message system

Q: Does it matter which way the terminals are connected?
A: Air flow always in the same direction and doesn't depend on which polarity the terminals are connected to. 

 Q: How many pumps can you chain together and still achieve a slightly higher vacuum with each one?
A: Three -20"Hg pumps in series would produce -28"Hg and  four -20"Hg pumps in series would produce -29"Hg. Progressively adding more pumps would produce an overall vacuum approaching a limit of -30"Hg. 
Basic assembly is required with this kit which requires scissors or a knife and about 10min.

1. Cut the hose with scissors into 1 longer and one shorter lengths (we suggest a 55cm and one 20cm length).

2. Find the small arrows marked on the pump's plastic inlet (air intake) and outlet (exhaust) barbs.

3. Attach one of the pump's outlet to the other's inlet.

4. Attach the longer length of hose to the inlet of the first pump and the other end of the hose to the vacuum container. Please make sure your vacuum container has a connector compatible with 6mm (1/4") internal diameter hose.

5. Attach the 2 DC connector leads to the terminals of the pumps. Note that it doesn't matter which way round the terminals are connected; the air will flow the same direction.

6. Plug in the PSU into your household power supply (if you are outside the UK and Ireland you'll have been supplied with an adapter suitable for your country so that this kit will work out of the box in e.g. Spain, USA, Canada, Australia etc.).

7. Plug the PSU male connector into the female DC connector.

8. Make sure that the electricity supply is on and wait for the pumps to reach maximum vacuum in your vacuum container.

Note: Please don't use jubilee clips on the hose as they actually create air gaps; 6mm (1/4") internal diameter hose makes a perfect seal onto the pump's barbs without any help.


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Think It Make It

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