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AODD Pumps Pumps for Paints and Coatings

Editor: Dominik Stephan

Air-operated double-diaphragm (AODD) pumps are well suited for for the loading, unloading and transfer of resins, solvents and additives in Paint & Coatings manufacturing applications. Pumps specialist Wilden now launches the Advanced Series Metal AODD pumps, that can generate up to 20.7 bar of pressure (300 psi).

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Wilden's H800 is constructed of stainless steel or ductile iron and creates a 3:1 pressure ratio with a maximum air inlet pressure of 5.9 bar (85 psi) and maximum discharge pressure of 17.2 bar (250 psi) while delivering flow rates up to 359 L/min (95 gpm). It can handle solids up to 12.7mm (1/2”) at operating temperatures to 225ºF (107ºC).
Wilden's H800 is constructed of stainless steel or ductile iron and creates a 3:1 pressure ratio with a maximum air inlet pressure of 5.9 bar (85 psi) and maximum discharge pressure of 17.2 bar (250 psi) while delivering flow rates up to 359 L/min (95 gpm). It can handle solids up to 12.7mm (1/2”) at operating temperatures to 225ºF (107ºC).
(Picture: Wilden)

This is a core requirement for the reliable transfer of Paint & Coatings resins, solvents and additives that are viscous or solid-laden. The company offers three models of its Advanced pumps: The H200 with 25mm (1”) that uses both liquid chambers to pump fluid. It creates a 3:1 pressure ratio with a maximum discharge pressure of 20.7 bar (300 psi) while delivering flow rates up to 94 L/min (25 gpm). The H400S, simplex pump uses only one liquid chamber to pump fluid while the second is used as a pressure-amplification chamber, and the H800. All three models are available with Wil-Flex Diaphragms.

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