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Filter Pump, Borosilicate Glass
Filter Pump, Borosilicate Glass (Product Code: SLE/CH/131) is a water-jet filter pump made from chemical-resistant borosilicate glass that creates a moderate vacuum when connected to a water supply. Fitted to a laboratory tap, it draws air out of a filter flask so that liquid is pulled through a Buchner funnel much faster than gravity filtration allows – a simple way to run suction filtration without an electric vacuum pump. It is made by Jain Scientific Equipments Pvt Ltd (ScienceLab), Ambala, India, and complements the borosilicate glassware India’s school and college laboratories already rely on.
Key Details
| Parameter | Detail |
|---|---|
| Type | Water-jet (aspirator) filter pump |
| Material | Chemical-resistant borosilicate glass |
| Operation | Creates a moderate vacuum when connected to a water supply |
| Driven by | Running tap water – no electrical supply needed |
| Typical application | Suction filtration with a Buchner funnel and filter flask |
Typical Use
Water rushing through the narrow jet inside the pump lowers the pressure around it, so air is dragged in through the side arm and carried away with the water. Connect the inlet to a tap with rubber tubing, and the side arm to a filter flask with thick-walled vacuum tubing; a Buchner funnel sealed into the flask with a bung completes the set-up. Students use it to collect crystals after recrystallisation, to separate precipitates quickly, or to dry a solid on the filter paper by drawing air through it.
Place a trap bottle between the pump and the flask, and when the filtration is finished always disconnect the tubing or let air into the flask before turning off the water – otherwise tap water can be sucked back into your filtrate. The glass body lets you see the water flow at a glance and resists chemical vapours drawn through it. Rinse the pump with clean water after use and store it where it cannot be knocked; laboratories buying from a lab glassware supplier in India often keep a spare for busy practical weeks.
Manufacturer
ScienceLab is the trading name of Jain Scientific Equipments Private Limited (CIN U29309HR2020PTC087597), based in Ambala, Haryana, India. The company manufactures laboratory apparatus at its licensed factory at 449, HSIIDC Industrial Area, Saha, Ambala (Factory Licence AMB-ONLINE-CHD-J-414). Read more in our company profile.
Related Chemistry Lab Equipment
Everything else needed for a vacuum filtration set-up:
- Conical Filter Flask — the side-arm flask that collects the filtrate under vacuum
- Buchner Funnel, 90 mm, Porcelain — holds the filter paper on its perforated plate
- Buchner Bungs (Black) — seal the funnel into the flask neck
- Vacuum Tubing — thick-walled tubing that will not collapse under suction
- Filter Pump, Edward Type — a metal-bodied alternative for heavy daily use
See more apparatus in Chemistry Lab Equipment.
Frequently Asked Questions
How does a glass filter pump make a vacuum without electricity?
Fast-flowing water in the jet creates low pressure that pulls air from the side arm. As long as the tap runs, the pump keeps drawing air from the connected flask.
How strong is the vacuum?
It produces a moderate vacuum, suitable for routine suction filtration. The exact level depends on your water pressure and temperature, and no figure is stated for this listing.
What tubing sizes do I need?
Connector dimensions are not listed here. Tell us your tap and flask fittings through the contact page and we will suggest suitable rubber and vacuum tubing.
How do I stop water sucking back into the flask?
Fit a trap bottle in the line and always release the vacuum or disconnect the tubing before closing the tap.
Should I choose the glass or the Edward type pump?
The borosilicate glass version is chemically resistant and lets you watch the flow; the Edward type is made of nickel plated brass and is the sturdier choice where glassware tends to get knocked.
What warranty and documentation are available?
Warranty terms are not given on this page. Ask for them, along with any vendor details your purchase department needs, when you request a quotation.
Do you supply several pumps for a lab or for export?
Yes, we supply institutions across India and in international markets. Mention product code SLE/CH/131 and the quantity required.
Request a Quote
For prices on the glass filter pump and a complete filtration set, contact us through the contact page or add the items to the enquiry cart.
Last updated: 24 September 2026
