White Papers

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Featured White Paper

Material Innovations For Cutting And Chopping

"The Barnes Sithe chopper pumps have a patented open center cutting technology. Cutter blades are made of 440C Heat Treated Stainless Steel and have a hardness of up to 60HRC. Sithe chopper blades can chop and pass hard solids in the waste stream including wood, wire, plastic and small metallic parts. There are hundreds of Sithe chopper installations in extremely demanding waste water applications including correctional facilities, hospitals, zoos, dairy farms and schools where blade sharpness is still pristine even after thousands of hours of operation. Sithe chopper pumps perform a slicing action on solids compared to harsh chopping action. The smooth slicing action exerts less stress on the chopping blades and result in longer cutter life." 

Read the full report here

Feed your technical curiosity with high-level write ups on HVAC and fluid flow engineering challenges. Leading practitioners from Armstrong and around the industry elaborate on current best practices and acquaint you with the pros and cons of existing and future design and operating strategies.

SLICING ACTION IN CHOPPER PUMPS
Why Slicing is Better Than Harsh Chopping

Extending Condensing Boiler Durability

NPSHa vs Temperature

Leak Testing Kitchen Exhaust Systems: Inspecting for Liquid Tight Requires Water Test

Electro Water Separation

Armstrong pumps, armstrong fluid technologies, Fulton boilers, equipment, ASPE, ASHRAE, valves, parts and services, Armstrong 4300, bypass feeders, design envelope pumps

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