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PSG pump brands - Wilden, Blacker, Griswold

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Wilden Pump Products
Air Operated Double Diaphragm


Wilden Air-Operated Double-Diaphragm pumps are built for high performance, quality and customer satisfaction. Manufacturers around the world rely on Wilden  pumps for critical pumping applications where energy efficiency and reliability are essential. Not only are Wilden pumps the most cost-effective, reliable and energy-efficient solutions available, the state-of-the-art air distribution systems increase positive displacement pump productivity by reducing air consumption and maintenance for the most energy-efficient AODD pump operation possible.
Griswold Pumps
Centrifugal Pumps


Backed by 70 years of experience and commitment to manufacturing quality centrifugal pumps, Griswold provides solutions for many of the world’s largest industrial applications. With world-class engineering expertise, deep application knowledge, testing capabilities, and exceptional customer support, Griswold meets customers' most demanding application requirements. Griswold pumps are available in a wide range of sizes, capacities and materials to fit virtually any process-fluid application.
Blackmer pumps from PSG
Centrifugal, Drum and Sliding Vane Pumps


Blackmer centrifugal pumps are designed to operate in severe process applications and contain oversized bearings to offer greater load capacity and extended bearing life. These pumps increase productivity, while offering maximum reliability in the toughest of applications.
Blackmer rotary hand pumps provide safe, convenient dispensing or transferring of non-corrosive liquids. They are designed for easy, efficient operation in industrial, construction and agricultural applications.
Blackmer’s revolutionary rotary vane design allows the pumps to self-adjust for wear to help maintain flow rates. This sliding vane pump design creates excellent self-priming and dry-run capabilities with sustained performance. 
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