General Pump K3 series pressure regulators

General pump ZK3 flow sensitive unloader valve.

General pump ZK3 flow sensitive unloader valve.

  • All stainless and brass internal parts.
  • No external moving parts or springs.
  • Unique balance nozzle principle: Eliminates high pressurein all lines while unit is in bypass mode. Eliminates pressure peaks normally generated by conventionally designed unloaders.
  • Unique unbalanced piston design permits precise pressure adjustment.
  • Mounts in discharge line; flow-through design.
  • Convenient bypass location.
  • Minimum 5% bypass required for operation.
  • Dual gauge ports.
More Information
Manufacturer N/A
SKU General Pump K3 series pressure regulators
Part Number No
GPM No
PSI No
Inlet Threads 3/8" FPT
Outlet Threads No
Bypass Threads 1/2" FPT
Grouped product items
Part# Description GPM PSI Inlet Outlet Bypass Price
8.712-605.0 UNLOADER K3.1 3.0-4.2/1450 USA 4.2 1500 3/8" FPT 3/8" MPT 1/2" FPT
$127.28
8.712-604.0 K3.0 UNLOADER 1/2"" 2.10-2.90" 2.9 1500 3/8" FPT 1/2" MPT 1/2" FPT
$127.28
8.712-608.0 UNLOADER K3.2 4.2-5.5/1450 5.5 1500 3/8" FPT 1/2" MPT 1/2" FPT
$127.28
8.712-607.0 UNLOADER K3.2 4.2-5.5/1450 USA 5.5 1500 3/8" FPT 3/8" MPT 1/2" FPT
$127.28
8.712-606.0 UNLOADER K3.1 3.0-4.2/1450 4.2 1500 3/8" FPT 1/2" MPT 1/2" FPT
$127.28
8.712-603.0 UNLOADER K3.0 2.1-3.0/1450 USA 2.9 1500 3/8" FPT 3/8" MPT 1/2" FPT
$127.28
8.712-609.0 UNLOADER K3.3 5.0-6.0/1450 6.5 1500 3/8" FPT 3/8" MPT 1/2" FPT
$127.28
8.712-610.0 UNLOADER, K3.3 5.0-6.0/1450 6.5 1500 3/8" FPT 1/2" MPT 1/2" FPT
$121.68