Parts & Supplies Pump Accessories GP Unloader ZK73 6.6-10.8GPM 0-3500PSI
GP Unloader ZK73 6.6-10.8GPM 0-3500PSI
Material ID: 10007118
General Pump - ZK73 - Flow Sensitive Unloader - 6.6 to 10.8 GPM - Maximum; 3500 - Inlet; 3/8in BSP-M - Outlet; 3/8in BSP-F - bypass; 1/2in FNPT - Max Temperature 165° F
Price:$112.40 EA

K-7 Series Unloader

This unloading valve is a flow-through design and should be mounted on the discharge line of the pump in any position (vertical or horizontal) which allows for easy access to the adjusting bolt. A pressure gauge should be installed on either side of the port of the unloader to accurately read pressure during adjustments. Minimum 5% bypass is required for proper operations. Unique balance principle: eliminates high pressure in all lines while unit is in bypass mode.

  • 6.6-10.8GPM
  • 0-3500PSI
  • 3/8in BSP-F inlet
  • 3/8in BSP-M outlet
  • 3/8in BSP-F bypass
  • Features all stainless and brass internal parts
  • No external moving parts or springs
  • Eliminates high pressure in all lines while unit is in bypass mode
  • Minimum 5% bypass is required for proper operation
  • Repair kit available

Type Valves
Feature Unloader
Brand General Pump
Dimension 3/8 in
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