Product information and technical notes on vacuum pump selection, installation and maintenance.

The notes draw on our engineering practice and published product data; unverifiable figures are not quoted. If there is a topic you would like covered, contact us.

When to open the gas ballast, and for how long Oil-sealed vane

When to open the gas ballast, and for how long

Wet process gas needs the ballast open; the cost is ultimate pressure. V0630B, V0040A-V0100 and 2V80 figures show the three settings and when to switch.

Routine care for oil-free rotary vane vacuum pumps Oil-free vane

Routine care for oil-free rotary vane vacuum pumps

Inlet filtration, cooling and vane wear are the three checks that matter.

Choosing between oil-free and oil-sealed rotary vane pumps Selection & matching

Choosing between oil-free and oil-sealed rotary vane pumps

Decide on cleanliness requirement, maintenance capability and the gas handled.

Inlet filtration for vacuum pumps in dusty duty Operation & service

Inlet filtration for vacuum pumps in dusty duty

Rating, position and replacement interval set chamber life.

From duty to model: six inputs for vacuum pump selection Selection & matching

From duty to model: six inputs for vacuum pump selection

Capacity, pressure, gas, duty, supply and envelope — miss one and the model can be wrong.

Where oil-free rotary vane vacuum pumps fit Oil-free vane

Where oil-free rotary vane vacuum pumps fit

No oil in the exhaust, maintenance concentrated on filters and wear parts, and the duties where they do not fit.

Inside a single-stage oil-free rotary vane pump Oil-free vane

Inside a single-stage oil-free rotary vane pump

How rotor, vanes and discharge valve create suction, and what wear shows up first.

Installing a vacuum pump: checks before and at first run Operation & service

Installing a vacuum pump: checks before and at first run

Location, piping, exhaust conditions, and the checklist and fault order at first run.

Piping and valve bores: small details that set response time Selection & matching

Piping and valve bores: small details that set response time

Size lines on flow, keep runs short, and never let a valve be smaller than the pump port.

Noise and vibration from vacuum pumps: control it from the installation Operation & service

Noise and vibration from vacuum pumps: control it from the installation

Vibration-damped mounting, flexible pipe sections, silenced exhaust, and noise figures checked model by model.

When a roots booster earns its place Roots & systems

When a roots booster earns its place

Add a booster when a large volume of gas must be moved fast, or when flow has to be held at a lower pressure.

Why pumping speed wanders on a coating line: matching the backing pump to the booster Roots & systems

Why pumping speed wanders on a coating line: matching the backing pump to the booster

On a coating floor three chambers often share one pump set in a pump room some distance away. Load, evacuate, coat, vent, unload.

Need a model recommendation or a quote?

Tell us the required pumping speed, ultimate pressure, gas handled, dust and corrosion conditions, duty cycle and power supply; we will size the model for your process.

Contact us