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Trapped Pressure Unloaders

  • 2100242

    Specifications

    GPM

    Max PSI

    4000

    Inlet

    (2) 3/8" NPT

    Outlet

    3/8" NPT

    Bypass

    (2) 3/8" NPT

    Temperature

    195° F

    Ship Weight

    2.0 lbs.

    Trapped Pressure

    Trapped Pressure

    Details
  • PLSR4HVNCV

    Specifications

    GPM

    Rated PSI

    2300

    Max PSI

    2600

    Inlet

    (2) 3/8" BSP-F

    Outlet

    (2) 3/8" BSP-F

    Temperature

    195° F

    Ship Weight

    1.0 lbs.

    Balanced relief valve/unloader with no check valve

    Balanced relief valve/unloader with no check valve

    Details
  • PLSR4LVNCV

    Specifications

    GPM

    Rated PSI

    1450

    Max PSI

    1500

    Inlet

    (2) 3/8" BSP-F

    Outlet

    (2) 3/8" BSP-F

    Temperature

    195° F

    Ship Weight

    1.0 lbs.

    Balanced relief valve/unloader with no check valve

    Balanced relief valve/unloader with no check valve

    Details
  • PULSAR4HP

    Specifications

    GPM

    Rated PSI

    4050

    Max PSI

    4500

    Inlet

    (2) 3/8" NPT-F

    Outlet

    3/8" NPT_F

    Bypass

    (2) 3/8" NPT-F

    Temperature

    195° F

    Ship Weight

    1.6 lbs.

    Trapped Pressure Unloader, Blue Spring

    Trapped Pressure Unloader, Blue Spring

    Details
  • PULSAR4HPSM

    Specifications

    GPM

    Rated PSI

    4050

    Max PSI

    4500

    Inlet

    (2) 3/8" NPT-F

    Outlet

    3/8" NPT-M

    Bypass

    (2) 3/8" NPT-F

    Temperature

    195° F

    Ship Weight

    1.5 lbs.

    Trapped Pressure Unloader, SS Inlet and Outlet

    Trapped Pressure Unloader, SS Inlet and Outlet

    Details
  • PULSAR4KHP

    Specifications

    GPM

    Rated PSI

    4050

    Max PSI

    4500

    Inlet

    (2) 3/8" NPT-F

    Outlet

    3/8" NPT-F

    Bypass

    (2) 3/8" NPT-F

    Temperature

    195° F

    Ship Weight

    1.7 lbs.

    Trapped Pressure Unloader, Blue Spring, with Adjustment Knob

    Trapped Pressure Unloader, Blue Spring, with Adjustment Knob

    Details
  • PULSAR4KHPEZ

    Specifications

    GPM

    Rated PSI

    4050

    Max PSI

    4500

    Inlet

    (2) 3/8" NPT-F

    Outlet

    3/8" NPT_F

    Bypass

    (2) 3/8" NPT-F

    Temperature

    195° F

    Ship Weight

    1.7 lbs.

    Trapped Pressure Unloader, With EZ Start and Knob

    Trapped Pressure Unloader, With EZ Start and Knob

    Details
  • PULSAR4KHPMS

    Specifications

    GPM

    Rated PSI

    4050

    Max PSI

    4500

    Inlet

    3/8" NPT-F

    Outlet

    3/8" NPT-F

    Bypass

    (2) 3/8" NPT-F

    Temperature

    195° F

    Ship Weight

    2.0 lbs.

    Trapped Pressure, With Microswitch - 16A Resistive Load, 6A Inductive Load and knob

    Trapped Pressure, With Microswitch – 16A Resistive Load, 6A Inductive Load and knob

    Details
  • PULSAR4KHPS

    Specifications

    GPM

    Rated PSI

    4050

    Max PSI

    4500

    Inlet

    (2) 3/8" NPT-F

    Outlet

    3/8" NPT_F

    Bypass

    (2) 3/8" NPT-F

    Temperature

    195° F

    Ship Weight

    1.6 lbs.

    Trapped Pressure Unloader, With Stainless Steel Check Valve

    Trapped Pressure Unloader, With Stainless Steel Check Valve

    Details
  • PULSAR4KLP

    Specifications

    GPM

    Rated PSI

    2300

    Max PSI

    2600

    Inlet

    (2) 3/8" NPT-F

    Outlet

    3/8" NPT_F

    Bypass

    (2) 3/8" NPT-F

    Temperature

    195° F

    Ship Weight

    1.5 lbs.

    Trapped pressure unloader with knob.

    Trapped pressure unloader with knob.

    Details
  • PULSAR4KLPMS

    Specifications

    GPM

    Rated PSI

    2300

    Max PSI

    2600

    Inlet

    3/8" NPT-M

    Outlet

    3/8" NPT-M

    Bypass

    (2) 3/8" NPT-F

    Temperature

    195° F

    Ship Weight

    2.0 lbs.

    Trapped Pressure, With Microswitch - 16A Resistive Load, 6A Inductive Load and Knob

    Trapped Pressure, With Microswitch – 16A Resistive Load, 6A Inductive Load and Knob

    Details
  • PULSAR4LP

    Specifications

    GPM

    Rated PSI

    2300

    Max PSI

    2600

    Inlet

    (2) 3/8" NPT-F

    Outlet

    3/8" NPT_F

    Bypass

    (2) 3/8" NPT-F

    Temperature

    195° F

    Ship Weight

    1.5 lbs.

    Trapped pressure unloader

    Trapped pressure unloader

    Details
  • YU2122SS

    Specifications

    GPM

    Max PSI

    2200

    Inlet

    1/2" NPT

    Outlet

    1/2" NPT

    Bypass

    1/2" NPT

    Ship Weight

    3.1 lbs.

    316 Stainless Steel Pressure Trapping Unloader/Regulator

    316 Stainless Steel Pressure Trapping Unloader/Regulator

    Details
  • YU21235

    Specifications

    GPM

    Rated PSI

    2300

    Max PSI

    2600

    Inlet

    (2) 1/2" NPT-F

    Outlet

    1/2" NPT-F

    Bypass

    (2) 1/2" NPT-F

    Temperature

    200° F

    Ship Weight

    3.1 lbs.

    Trapped pressure unloader

    Trapped pressure unloader

    Details
  • YU21405

    Specifications

    GPM

    Rated PSI

    4050

    Max PSI

    4500

    Inlet

    (2) 1/2" NPT-F

    Outlet

    1/2" NPT-F

    Bypass

    (2) 1/2" NPT-F

    Temperature

    200° F

    Ship Weight

    3.1 lbs.

    Trapped Pressure, Green Spring

    Trapped Pressure, Green Spring

    Details
  • YU21405S

    Specifications

    GPM

    Rated PSI

    4050

    Max PSI

    4500

    Inlet

    (2) 1/2" NPT-F

    Outlet

    1/2" NPT-F

    Bypass

    (2) 1/2" NPT-F

    Temperature

    200° F

    Ship Weight

    3.1 lbs.

    Trapped Pressure, Green Spring (features stainless steel outlet/bypass fittings)

    Trapped Pressure, Green Spring (features stainless steel outlet/bypass fittings)

    Details
  • YU2158

    Specifications

    GPM

    Rated PSI

    5800

    Max PSI

    6500

    Inlet

    (2) 1/2" NPT-F

    Outlet

    1/2" NPT-F

    Bypass

    1/2" NPT-F

    Temperature

    200° F

    Ship Weight

    4.0 lbs.

    Trapped Pressure, 303 Stainless Steel

    Trapped Pressure, 303 Stainless Steel

    Details
  • YU2158NCV

    Specifications

    GPM

    Max PSI

    6500

    Inlet

    (2) 1/2" NPT-F

    Outlet

    1/2" NPT-F

    Bypass

    1/2" NPT-F

    Temperature

    200° F

    Ship Weight

    4.0 lbs.

    Trapped Pressure, No Check Valve

    Trapped Pressure, No Check Valve

    Details
  • YU3678

    Specifications

    GPM

    Rated PSI

    3200

    Max PSI

    3650

    Inlet

    3/8" NPT-F

    Outlet

    3/8" NPT-F

    Bypass

    3/8" NPT-F

    Temperature

    195° F

    Ship Weight

    2.5 lbs.

    Includes Panel Mount Feature

    Includes Panel Mount Feature

    Details
  • YU3678MS

    Specifications

    GPM

    Rated PSI

    3200

    Max PSI

    3650

    Inlet

    3/8" NPT-F

    Outlet

    3/8" NPT-F

    Bypass

    3/8" NPT-F

    Temperature

    195° F

    Ship Weight

    2.5 lbs.

    Includes Panel Mount Feature and Stainless Steel Check Valve

    Includes Panel Mount Feature and Stainless Steel Check Valve

    Details
  • YU4050K

    Specifications

    GPM

    Rated PSI

    4050

    Max PSI

    4500

    Inlet

    3/8" BSP-M

    Outlet

    3/8" BSP-F

    Bypass

    1-1/2" BSP-F

    Temperature

    195° F

    Ship Weight

    2.0 lbs.

    Trapped Pressure, With Black Knob

    Trapped Pressure, With Black Knob

    Details
  • YU5075K

    Specifications

    GPM

    Rated PSI

    5075

    Max PSI

    5650

    Inlet

    3/8" BSP-M

    Outlet

    3/8" BSP-F

    Bypass

    1/2" BSP-F

    Temperature

    195° F

    Ship Weight

    2.0 lbs.

    Trapped Pressure, With Red Knob

    Trapped Pressure, With Red Knob

    Details
  • Premium Pressure-compensating Unloader min-max setting, Stainless Steel Check Valve, Brass Knob

    Premium Pressure-compensating Unloader min-max setting, Stainless Steel Check Valve, Brass Knob

    Details
  • YU5075KMS

    Specifications

    GPM

    Rated PSI

    5075

    Max PSI

    5650

    Inlet

    3/8" BSP-M

    Outlet

    3/8" BSP-F

    Bypass

    3/8" BSP-F

    Temperature

    195° F

    Ship Weight

    2.0 lbs.

    Trapped Pressure, With 5 Amp Microswitch and Stainless Steel check Valve

    Trapped Pressure, With 5 Amp Microswitch and Stainless Steel check Valve

    Details
  • YU5075KS

    Specifications

    GPM

    Rated PSI

    5075

    Max PSI

    5650

    Inlet

    3/8" BSP-M

    Outlet

    3/8" BSP-F

    Bypass

    1/2" BSP-F

    Temperature

    195° F

    Ship Weight

    2.0 lbs.

    Trapped Pressure, With Red Knob

    Trapped Pressure, With Red Knob

    Details
  • YU5221

    Specifications

    GPM

    Rated PSI

    2200

    Max PSI

    2450

    Inlet

    1" NPT-F

    Outlet

    1" NPT-F

    Bypass

    1" NPT-F

    Temperature

    200° F

    Ship Weight

    4.5 lbs.

    Trapped pressure unloader

    Trapped pressure unloader

    Details
  • YU5821

    Specifications

    GPM

    Rated PSI

    5800

    Max PSI

    6400

    Inlet

    1/2" BSP-F

    Outlet

    1/2" BSP-F

    Bypass

    1/2" BSP-F

    Temperature

    194° F

    Ship Weight

    2.2 lbs.

    Trapped Pressure, 303 Stainless Steel

    Trapped Pressure, 303 Stainless Steel

    Details
  • YU7221

    Specifications

    GPM

    Rated PSI

    7250

    Max PSI

    8000

    Inlet

    1/2" BSP-F

    Outlet

    1/2" BSP-F

    Bypass

    1/2" BSP-F

    Temperature

    194° F

    Ship Weight

    2.3 lbs.

    Trapped Pressure, 303 Stainless Steel

    Trapped Pressure, 303 Stainless Steel

    Details
  • YUB21405

    Specifications

    GPM

    Rated PSI

    4050

    Max PSI

    4500

    Inlet

    (2) 1/2" NPT-F

    Outlet

    1/2" NPT-F

    Bypass

    1/2" NPT-F

    Temperature

    200° F

    Ship Weight

    3.1 lbs.

    Details
  • YUB21405NCV

    Specifications

    GPM

    Max PSI

    4050

    Inlet

    (2) 1/2" NPT-F

    Outlet

    (2) 1/2" NPT-F

    Bypass

    1/2" NPT-F

    Temperature

    200° F

    Ship Weight

    3.1 lbs.

    Trapped Pressure, No Check Valve

    Trapped Pressure, No Check Valve

    Details
  • Details
  • YUW21235

    Specifications

    GPM

    Rated PSI

    2300

    Max PSI

    2600

    Inlet

    (2) 1/2" NPT-F

    Outlet

    1/2" NPT-F

    Bypass

    1/2" NPT-F

    Temperature

    200° F

    Ship Weight

    3.1 lbs.

    Trapped Pressure, White Spring

    Trapped Pressure, White Spring

    Details
  • YVB3KA

    Specifications

    GPM

    Rated PSI

    3200

    Max PSI

    3650

    Inlet

    3/8" BSP-M

    Outlet

    3/8" BSP-M

    Bypass

    3/8" BSP-F

    Temperature

    195° F

    Ship Weight

    1.0 lbs.

    Trapped Pressure Unloader for the 51 and 60 Series Pumps

    Trapped Pressure Unloader for the 51 and 60 Series Pumps

    Details
  • YVB3KA/NCV

    Specifications

    GPM

    Max PSI

    3650

    Inlet

    3/8" NPT-M

    Outlet

    3/8" NPT-M

    Bypass

    3/8" NPT-F

    Temperature

    195° F

    Ship Weight

    1.0 lbs.

    Trapped Pressure, No Check Valve

    Trapped Pressure, No Check Valve

    Details
  • YVB3KTT

    Specifications

    GPM

    Rated PSI

    3200

    Max PSI

    3650

    Inlet

    1/4" NPT-M

    Outlet

    3/8" NPT-M

    Bypass

    3/8" NPT-F

    Temperature

    195° F

    Ship Weight

    1.0 lbs.

    Trapped Pressure Unloader for the 51 and 60 Series Pumps

    Trapped Pressure Unloader for the 51 and 60 Series Pumps

    Details
  • YVB3KTTI18

    Specifications

    GPM

    Rated PSI

    3200

    Max PSI

    3650

    Inlet

    1/4" NPT-M

    Outlet

    3/8" NPT-M

    Bypass

    3/8" NPT-F

    Temperature

    195° F

    Ship Weight

    1.25 lbs.

    Trapped Pressure, With Knob and 1.8 Injector

    Trapped Pressure, With Knob and 1.8 Injector

    Details
  • YVB3KTTI21

    Specifications

    GPM

    Rated PSI

    3200

    Max PSI

    3650

    Inlet

    1/4" NPT-M

    Outlet

    3/8" NPT-M

    Bypass

    3/8" NPT-F

    Temperature

    195° F

    Ship Weight

    1.25 lbs.

    Trapped Pressure with Knob and 2.1 MM Injector

    Trapped Pressure with Knob and 2.1 MM Injector

    Details
  • YVB3KTTI23

    Specifications

    GPM

    Rated PSI

    3200

    Max PSI

    3650

    Inlet

    1/4" NPT-M

    Outlet

    3/8" NPT-M

    Bypass

    3/8" NPT-F

    Temperature

    195° F

    Ship Weight

    1.25 lbs.

    Trapped Pressure, with Knob and 2.3 MM Injector

    Trapped Pressure, with Knob and 2.3 MM Injector

    Details
  • YVB4021HT

    Specifications

    GPM

    Rated PSI

    4050

    Max PSI

    4500

    Inlet

    1/2" NPT-F

    Outlet

    1/2" NPT-F

    Bypass

    1/2" NPT-F

    Temperature

    195° F

    Ship Weight

    2.4 lbs.

    Trapped Pressure, High Temperature Brass

    Trapped Pressure, High Temperature Brass

    Details
  • YVB5121B

    Specifications

    GPM

    Rated PSI

    5100

    Max PSI

    5650

    Inlet

    1/2" NPT-F

    Outlet

    1/2" NPT-F

    Bypass

    1/2" NPT-F

    Temperature

    195° F

    Ship Weight

    2.5 lbs.

    Trapped pressure unloader

    Trapped pressure unloader

    Details
  • YVB5121HT

    Specifications

    GPM

    Rated PSI

    5100

    Max PSI

    5650

    Inlet

    1/2" NPT-F

    Outlet

    1/2" NPT-F

    Bypass

    1/2" NPT-F

    Temperature

    195° F

    Ship Weight

    2.4 lbs.

    Trapped Pressure, High Temperature Brass

    Trapped Pressure, High Temperature Brass

    Details
  • YVB5K

    Specifications

    GPM

    Rated PSI

    3200

    Max PSI

    3650

    Inlet

    3/8" BSP-M

    Outlet

    3/8" BSP-F

    Bypass

    3/8" BSP-F

    Temperature

    195° F

    Ship Weight

    1.2 lbs.

    Trapped Pressure, Adjustable

    Trapped Pressure, Adjustable

    Details
  • YVB7K

    Specifications

    GPM

    Rated PSI

    3200

    Max PSI

    3650

    Inlet

    3/8" NPT-M

    Outlet

    3/8" NPT-F

    Bypass

    3/8" BSP-F

    Temperature

    195° F

    Ship Weight

    1.2 lbs.

    Details
  • YVB8KMS

    Specifications

    GPM

    Rated PSI

    3200

    Max PSI

    3650

    Inlet

    3/8" BSP-M

    Outlet

    3/8" BSP-F

    Bypass

    3/8" BSP-F

    Temperature

    195° F

    Ship Weight

    2.0 lbs.

    Trapped Pressure, Includes 5 Amp Microswitch

    Trapped Pressure, Includes 5 Amp Microswitch

    Details
  • YVB8KMS10

    Specifications

    GPM

    Rated PSI

    3200

    Max PSI

    3650

    Inlet

    3/8" BSP-F

    Outlet

    3/8" BSP-F

    Bypass

    3/8" BSP-F

    Temperature

    195° F

    Ship Weight

    2.0 lbs.

    GPM Filter

    5 – 9.99

    Details
  • YVB9KMS2

    Specifications

    GPM

    Rated PSI

    3200

    Max PSI

    3650

    Inlet

    3/8" BSP-F

    Outlet

    3/8" BSP-F

    Bypass

    (2) 3/8" BSP-F

    Temperature

    195° F

    Ship Weight

    2.0 lbs.

    Trapped Pressure, Includes Panel Mount Feature and 5 Amp Microswitch

    Trapped Pressure, Includes Panel Mount Feature and 5 Amp Microswitch

    Details
  • YVB9KMSS

    Specifications

    GPM

    Rated PSI

    3200

    Max PSI

    3650

    Inlet

    3/8" BSP-F

    Outlet

    1/2" BSP-M

    Bypass

    3/8" BSP-F

    Temperature

    195° F

    Ship Weight

    2.0 lbs.

    Trapped Pressure, Includes Panel Mount Feature, 5 Amp Microswitch and Stainless Steel Check Valve

    Trapped Pressure, Includes Panel Mount Feature, 5 Amp Microswitch and Stainless Steel Check Valve

    Details
  • ZK4010

    Specifications

    GPM

    Rated PSI

    4000

    Max PSI

    4000

    Inlet

    3/8" BSP-F

    Outlet

    3/8" BSP-M

    Bypass

    (2) 3/8" BSP-F

    Temperature

    185° F

    Ship Weight

    2.3 lbs.

    Trapped pressure unloader with knob

    Trapped pressure unloader with knob

    Details
  • ZK5813

    Specifications

    GPM

    Max PSI

    5800

    Inlet

    1/2" BSP-F

    Outlet

    1/2" BSP-M

    Bypass

    (2) 1/2" BSP-M

    Temperature

    185° F

    Ship Weight

    6.2 lbs.

    Trapped Pressure

    Trapped Pressure

    Details
  • ZKHM

    Specifications

    GPM

    Max PSI

    3000

    Inlet

    3/8" BSP-F

    Outlet

    1/4" BSP-F & 3/8" BSP-M

    Bypass

    (2) 3/8" BSP-F

    Temperature

    185° F

    Ship Weight

    2.5 lbs.

    Trapped Pressure

    Trapped Pressure

    Details
  • ZKHM1

    Specifications

    GPM

    Max PSI

    3000

    Inlet

    3/8" BSP-F

    Outlet

    1/4" BSP-F & 3/8" BSP-M

    Bypass

    (2) 3/8" BSP-F

    Temperature

    185° F

    Ship Weight

    2.5 lbs.

    Trapped Pressure, Without Adjusting Knob

    Trapped Pressure, Without Adjusting Knob

    Details
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