Universal 3 Series – Positive Displacement Pumps

Universal 3 Series: Hygienic Pumping Power for Food & Beverage Excellence

The Universal 3 Series is the latest addition to the Waukesha positive displacement pump family by SPX FLOW. Designed for hygienic applications in the food and beverage industry, it features a front-loading seal design with no bearings in the product zone. With operating pressure capacities up to 500 psi (34.5 bar) and a standard 316L stainless steel body and cover, it offers a robust and sanitary fluid transfer solution.

Assembled and tested in Delavan, WI, the pump includes “Waukesha 88” non-galling rotors and a standard 304 stainless steel gear case—engineered to withstand the rigors of daily processing environments.

Long-Life Features

• Diffusion-hardened surfaces for rotor, body and cover available – ideal for abrasive or corrosive environments (3-A / FDA compliant)
• Up to 500 psi (34.5 bar) pressure capability
• Rated to 300°F (149°C) as standard
• Special rotor nut designed for extended service without loosening
• No bearings in the product zone
• Shorter, larger diameter 17-4 PH shafts:
  • Reduces overhung load, improving shaft alignment and decreasing seal and bearing wear
  • Improves shaft strength and stiffness to eliminate vibration
• Heavy-duty stainless steel bearing frame (standard)
• Double tapered roller bearings
• Grease-lubricated bearings for consistent lubrication across all operating conditions
• Body retaining screws maintain mechanical seal contact during inspection
• Wave spring mechanically loads the seal for extended outer seal life
• Unique mechanical seal design with 2-pin stationary seal and specially designed shaft for rotary seal

Pumps for Life™ Lifecycle Program

• Buy a new U3 Pump
• Maintain with Genuine SPX FLOW Parts
• Trade in old pump for a new one at a remanufactured price

Learn more about our eXpress app pump services.

Key Applications