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Haight® Pump is pleased to offer Stainless Steel Internal Gear Pumps, adding to the Haight® product family of Pumps That Perform. They have combined the versatile Universal Series pump design with stainless steel and corrosion resistant materials to meet the needs ever changing process systems, delivering Rugged, Reliable, and Innovative Pumps.

Principles Make The DIU (Ductile Iron Universal) Series Pump Ideal For Problem Fluids
Using Haight's pioneering (and patented) "gear within a gear" pumping principle, there are only two moving parts; a stainless steel outer gear and a plastic inner gear engineered to match the exact application. Hydraulic balancing ensures reliability and minimizes wear.

Its distinctive operating characteristics make it ideal for use with corrosive, high temperature, thin, corrosive and other aggressive problem fluids. Typical fluids include: phosphoric acid, caustic sodas, zylene, polymers, surfactants, flocculants, carbon black, isocyanates, sodium hydroxide, glycols, wastewater and other chemicals.

Key Features include:

• No Galling – ensured by pump design and high hardness materials of construction
• Shaft Alignment - close coupling eliminates alignment and runout
• No Gearboxes – operate at standard motor speeds without the need for a gear reducer
• 316 L Stainless, low carbon steel – shaft, housing, pinion gear for better corrosion resistance and low lubricity
• Materials of Construction – for extended service life, reliability
• Reduced Pump Inventory Needs - one pump handles multiple service requirements
• Maintenance – easy service and inspection accessibility, simplified packing gland adjustments
• More – self priming, low shear, reversible flow, integral bolt-on relief valve

Operating characteristics include:

• Capacities of 6, 7, 8, 9, 10, 15 & 20 gpm
• Lubricating Fluids to 250 psid
• Non-Lubricating Fluids to 100 psid
• Temperature range from -40°F to 250°F
• Standard motor operating speeds of 900/1200/1800 rpm
• Inlet capacity: of 20"Hg lift to 250 psi
• Viscosity range from 32 SSU to 10,000 SSU

Visit www.haightpump.com to find out more about these and other pumps offered. We want to be your pump provider!