Mazzei Injectors

Mazzei injectors, mazzei, mazzey, mazzie, MIC, aeration, aerators, airjection, injectors, venturi injectors, venturis, injecting chemicals, injection equipment, injection pumps, BOD, BOD reduction, BOD removal,  mixing eductors, disinfection, eductors, gas removal, gas transfer, gdt corporation, GDT, irrigation equipment, jet aeration, mass transfer, nozzles, odor control, oxidation, ozonation, ozone, ozone contacting, ozone injection, SBR, gas stripping, subsurface aeration, surface aerators, tank mixing, turbomixers, tank mixers, wastewater aeration, wastewater treatment, water purification, water treatment equipmentMazzei® Injectors are high-efficiency, venturi-type, differential pressure injectors with internal mixing vanes. When a sufficient pressure difference exists between the inlet and outlet ports of the injector, a vacuum is created inside the injector body, which initiates suction of a liquid or gas through the suction port.

Mazzei Injector

Black PVDF Molded InjectorsHow a Mazzei® Injector Works

When pressurized water enters the injector inlet, it is constricted toward the injection chamber and changes into a high-velocity jet stream. The increase in velocity through the injection chamber results in a decrease in pressure, thereby enabling an additive material to be drawn through the suction port and entrained into the water stream. As the jet stream is diffused toward the injector outlet, its velocity is reduced and it is reconverted into pressure energy (but at a pressure lower than injector inlet pressure).

Mazzei® Injectors are extremely efficient. They operate over a wide range of pressures and require only a minimal pressure differential between the inlet and outlet sides to initiate a vacuum at the suction port.

Special Features

  • Mixing VanesNEW INTERNAL VANES are positioned to maximize injector efficiency, suction capacity, and mixing capabilities

  • TROUBLE-FREE OPERATION with no moving parts

  • PROVEN PERFORMANCE with years of expected service

  • No electrical connections needed

  • Can run dry with no problems

  • Considerable cost savings versus other injection methods

  • Safe to use as the chemicals are under vacuum, not pressure

  • Constant injection of assures UNIFORM DISTRIBUTION OF MATERIAL

  • LONG PRODUCT LIFE constructed of strong, chemical-resistant PVDF (KYNAR® and HYLAR®) with a 5-year warranty or POLYPROPYLENE with a 1-year warranty.

  • ISO-R (BSPT) threads available in PVDF model

PVDF advantages:

  • PVDF is an advanced thermoplastic that is superior to other types including PVC, Polypropylene, & Polyethylene

  • Stronger/Higher pressure and temperature handling capabilities

  • Resistant to ozone

  • Greater chemical resistance / Resistant to Chlorine, Sulfuric and Nitric Acids

  • Abrasion and wear resistant

  • Sunlight (UV) resistant

Stainless Steel:

Potable water and the food and beverage industries use stainless steel injectors. They ensure absolute performance, longer life and compliance with FDA and international standards for food processing.


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