WAUKESHA E740401

Product Name:​ Waukesha Universal Series Positive Displacement Pump, Model E740401
Product Introduction:​ Sanitary positive displacement rotary lobe pump manufactured by Waukesha Cherry-Burrell (SPX FLOW), designed for hygienic fluid transfer in food, beverage, dairy, pharmaceutical, and biotech applications. The E740401 is a specific model/config variant within the Universal 2 / Universal II series.
Category:
Description
Key Features:
  • Rotary lobe (twin rotor) positive displacement design — constant flow independent of pressure variation
  • CIP (Clean-in-Place) and SIP (Steam-in-Place) capable with optional flat body profile
  • Single or double mechanical seal options; also available with O-ring or lip seals
  • Rotor/shaft sealed from product zone; large-diameter 17-4 PH stainless steel shafts
  • Diffusion-hardened rotors and body hubs available for abrasive media
  • Heavy-duty grease-lubricated double tapered roller bearings
Material & Construction:
  • Wetted parts: 316 / 316L stainless steel (investment cast or machined)
  • Non-wetted frame: cast iron or stainless steel option
  • Seal faces: carbon vs. tungsten carbide / silicon carbide; elastomers: EPDM, Viton (FKM), PTFE per application
  • Surface finish: typically Ra ≤ 0.8 μm (sanitary polish), meets 3-A Sanitary Standards& EHEDG
Performance Parameters:
  • Flow Range: approximately 0.5 – 200 m³/h depending on rotor size and speed (model-dependent)
  • Differential Pressure: up to 200–450 psi (13.8–31 bar) depending on model; max ~500 psi (34.5 bar) on selected sizes
  • Temperature Range: -40 °C to +149 °C (up to +200 °C with special seals)
  • Viscosity Range: 1 cP to > 1,000,000 cP
  • Speed: typically 0–600 RPM (variable via gearbox or VFD)
  • Port Connections: Tri-Clamp (sanitary), threaded, or flanged (ANSI/DIN)
Applications:
  • Food & Beverage: chocolate, cream, fruit puree, yogurt, syrups
  • Pharmaceutical: vaccine suspensions, fermentation broth, sterile media
  • Chemical: resins, polymers, adhesives, solvents (with appropriate seals)
Installation Notes:
  • Mount on rigid base; align drive coupling carefully
  • Ensure suction inlet is adequately flooded for positive displacement operation
  • Use VFD for flow control; install pressure relief valve in discharge line
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