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• Cast iron casting, class 25-30 25000# tensile strength
• Oil-filled, hermetically sealed, automatic reset thermal overload protected (1 Ph only) motor
• Upper sleeve bearing and lower ball bearing running in bath of oil
• Mechanical shaft seal - carbon and ceramic rotary face seal, with stainless steel wetted parts
• Stainless steel screws, bolts, washers and lifting bracket
• Neoprene square ring & gasket
• Temperature to 130°F (54°C), 120°F (49°C) for WD405
• Variable level controls available
• 4” horizontal flanged discharge, standard ANSI flange
• Passes 3” spherical solids
• Corrosion resistant powder coated epoxy finish
• Automatic with float switch (WD models only)
• Non-automatic available
• Applications include:
  • High capacity water removal - parking lots, low flood areas, water transfer
  • To meet 3" intake, 4" discharge code requirements on some sewage applications
  • Retrofit on existing sewage installations
  • New installations

Model 4404, 4405 double seal pumps (non-automatic):

• Protects motor from seal leaks
• Improved seal lubrication
• Helps eliminate seal and bearing damage from dry runs
• Major width: 16 1/8”
• Major height: 27 ½”

Guide rail systems:

• 4” pipe flange fittings
• P/N 39-0016
• Includes:
  • Cast iron discharge elbow
  • Stainless steel lower guides
  • Cast iron mounting plate
  • Stainless steel upper guide rail bracket
  • Optional intermediate stabilizer for systems over 15’ deep (P/N 39-0013 carbon steel, P/N 39-0014 stainless steel)
  • Stainless steel guide brackets for pump mounting plate
  • Buna N gasket for mounting plate
  • Stainless steel bolts and lock washers
  • Features automatic engagement, easy disengagement and class 30 cast iron fittings
  • Uses 2” IPs guide rails and pull cable or chain (not furnished)

Consult factory for special applications:

• Three phase pumps available in 200/208V, 230V, 460V or 575V
• Electrical alternators, for duplex systems
• Mechanical alternators, for duplex systems (with or without high-water alarm functions)
• Simplex control panels available
• Variable level float switches are available for controlling single and three phase systems included with WD405 model pumps
• Double piggyback float switches are available for variable level long cycle controls
• Long cords available in lengths of 25’, 35’ and 50’
• Simplex and duplex basins available

The sizing of effluent systems normally requires variable level float(s) controls and properly sized basins to achieve required pumping cycles or dosing timers with non-automatic pumps.

Reserve powered design.

For unusual conditions a reserve safety factor is engineered into the design of every Zoeller pump.