Practical guides to vacuum equipment, product selection and the details that make an installation work.

Edwards Vacuum Pump UK: Your Guide to Sales, Repairs, and Expert Servicing
For over four decades, Girovac has remained at the forefront of the industrial vacuum sector. Established in 1983, our company has built a reputation for technical reliability and hands-on expertise. When it comes to the…
Girovac: Authorised UK Distributor for Edwards, Leybold & MIL’S
Girovac is an authorised UK distributor for Edwards, Leybold and MIL’S/Frenes vacuum pumps – genuine equipment, spares, and independent servicing for every other major brand.

Vacuum Pumps for CNC Routing, Woodworking & Vacuum Lifting
CNC routing, woodworking hold-down and vacuum lifting use rotary vane or dry claw pumps sized to the table or load. A single-stage rotary vane like the DVP LC series is a common choice. How to…

The Best Oil-Free Vacuum Pumps for Laboratories
The best oil-free lab vacuum pumps by application: diaphragm pumps for chemistry, filtration and rotary evaporation; dry scroll for deeper vacuum and backing turbos; turbomolecular for high vacuum.

Choosing a Medical Vacuum Pump: Claw, Rotary Vane or Liquid Ring?
Medical vacuum plants use dry claw, oil-sealed rotary vane or liquid ring pumps. Dry claw is clean and low-maintenance; rotary vane is high-performance; liquid ring tolerates moisture. How to choose.

Oil Back-Migration in Vacuum Pumps: Causes & Prevention
Oil back-migration is when oil vapour from an oil-sealed pump travels back into the chamber, contaminating the process. Prevent it with traps, correct operation, or an oil-free pump.

Turbomolecular vs Diffusion Pumps: Which for High Vacuum?
Turbomolecular pumps are clean, controllable and oil-free; diffusion pumps are robust, cheap and have no moving parts but use a working fluid. Both reach high/ultra-high vacuum with a backing pump.

Choosing a Vacuum Pump for Coating & Vacuum Metallizing
Vacuum coating and metallizing need high vacuum – a turbomolecular or diffusion pump on a rotary vane or Roots backing pump. Here’s how the pump set is chosen and sized.

Choosing a Vacuum Pump for Vacuum Packaging
For vacuum packaging, an oil-lubricated rotary vane pump (e.g. DVP LC 25, 25 m3/h, 0.5 mbar) is the usual choice – fast, reliable and cost-effective. Here’s how to size and choose one.

Vacuum gauges explained: choosing the right measurement
Compare vacuum gauge principles, gas dependence, accuracy and installation requirements before selecting a sensor and controller.

