Measuring Devices for Orifice Disc

Standard Hole Gauge

Double check the diameter of an orifice disc before installation

Double Ended Pin Gauge

A simple tool to check if the orifice disc is worn out or not

Measure Orifice Discs With Ease


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Our experts are familiar with different types of nozzles, their specifications, and how they interact with the drying system. Their expertise enables them to make informed decisions and recommendations based on the specific requirements and objectives of the installation. Contact us!

Standard Hole Gauge - Width range: 0 to 5 mm

The standard hole gauge is a simple tool to quickly determine a diameter. It’s useful for the maintenance people to have one available to double check the orifices before they install them in the spray dryer. The reading basically works the same as a caliper. 

Precision tool

Double Ended Pin Gauge

The double ended pin gauge is a simple tool to check if the orifice disc is worn out or not. Each gauge has a GO and a NO-GO side with a 0.02 tolerance. The GO side should fit in the orifice disc, the NO-GO side should not. If the NO-GO side fits, the orifice disc has worn out and needs to be replaced.

For every hole size of the orifice disc, a double ended pin gauge is available. They can be ordered individually and do not need to be purchased in a set of multiple sizes. When ordering the product, please make sure to pick the exact size, even a difference of 0.02 mm will have a negative influence on your spray drying process.

Raca International BV is a supplier of replacement nozzles for major brands. The product range includes spray nozzles for the production of powders, produced with high pressure nozzle atomization. All our nozzles are manufactured in our factory with the highest grades of raw material tungsten carbide.

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