
AIR OPERATED DIAPHRAGM PUMPS
Crest Debem AOD pumps are reliable, versatile and easy to use
this makes them ideal for a wide variety of applications and industries such as chemical process & transfer, water treatment, paper & pulp, food and pharmaceuticals and are suitable for viscous, abrasive and corrosive fluids.
Our range includes metallic, plastic, FDA and pharma approved materials and can be supplied certified to ATEX zone 1 or 2, from 1/2" to 3" and suitable for all applications from small machine mounted applications to large ‘fullflow’ requirements. We hold a large stock of plastic pumps and metallic pumps, and non standard pumps are available on short lead times.

AODD pumps in metallic or plastic material. Ideal for pumping liquids with high apparent viscosity even if containing suspended solids. The vast range of materials available makes them compatible with any type of fluid present on the market.
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FDA compliant pumps for the food industry. These pumps are ATEX-IECx certified and built in AIS316/AIS316L. Suitable for handling fluids with high apparent viscosity and demanding applications.
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A real must for any pneumatic pump in those applications where a smooth regular fluid output is required. These are also available as ATEX-certified, making them suitable for potentially explosive environments.
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Flat valve pumps perfect for larger solids and more viscous fluids. A unique pump, its features allow up to 600mm lengths of solid.
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Double diaphragm pumps of the RC line have been designed for all applications that require the pump to be controlled remotely or directly by the machine on which the pump is installed.
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The ATEX air operated double diaphragm pumps with their unique design and limited size are ideally suited in applications where moderate quantities of fluid must be pumped into small spaces.
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Volumetric pumps drivn by compressed air with double diaphragm built in. Mechanically polished AISI316L Aiserboxers are MOCA ATEX and FDA certified.
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AODD pumps designed for use in pharmaceutical and cosmetic industries. Equipped with special fibre optic sensors to detect ant damage to the diaphragms.
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What You Get When You Choose Crest Pumps












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