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Flow Sensitive Unloaders

  • 190009

    Specifications

    GPM

    4.2 to 6.6

    Max PSI

    3500

    Inlet

    3/8" BSP-F

    Outlet

    3/8" BSP-M

    Bypass

    3/8" BSP-F

    Temperature

    165° F

    Ship Weight

    5.0 lbs.

    ZK72 Unloader with #1 Bypass Orifice

    ZK72 Unloader with #1 Bypass Orifice

    Details
  • 190079

    Specifications

    GPM

    3.0 to 4.2

    Max PSI

    3500

    Inlet

    3/8" BSP-F

    Outlet

    3/8" BSP-M

    Bypass

    3/8" BSP-F

    Temperature

    165° F

    Ship Weight

    5.0 lbs.

    ZK71 Unloader with a #0 Bypass Orifice

    ZK71 Unloader with a #0 Bypass Orifice

    Details
  • 190361

    Specifications

    GPM

    6.6 to 10.8

    Max PSI

    3500

    Inlet

    3/8" BSP-F

    Outlet

    3/8" BSP-M

    Bypass

    3/8" BSP-F

    Temperature

    165° F

    Ship Weight

    5.0 lbs.

    ZK73 Unloader with #2 Bypass Orifice

    ZK73 Unloader with #2 Bypass Orifice

    Details
  • 190465

    Specifications

    GPM

    2.4 to 10.5

    Max PSI

    4000

    Inlet

    3/8" NPT-F

    Outlet

    3/8" NPT-F

    Bypass

    (2) 3/8" NPT-F

    Temperature

    195° F

    Ship Weight

    2.5 lbs.

    PULSARZ Flow Sensitive Unloader with 3.5 and 4.5 Orifice

    PULSARZ Flow Sensitive Unloader with 3.5 and 4.5 Orifice

    Details
  • PLSRZ2140

    Specifications

    GPM

    5.3 to 21.0

    Max PSI

    4050

    Inlet

    1/2" BSP-F

    Outlet

    1/2" BSP-F

    Bypass

    1/2" BSP-F

    Temperature

    195° F

    Ship Weight

    3.8 lbs.

    Flow Sensitive Unloader

    Flow Sensitive Unloader

    Details
  • PLSRZ2140MS

    Specifications

    GPM

    5.3 to 21.0

    Max PSI

    4050

    Inlet

    1/2" BSP-F

    Outlet

    1/2" BSP-F

    Bypass

    N/A

    Temperature

    195° F

    Ship Weight

    4.0 lbs.

    Flow Sensitive Unloader With 6 Amp Microswitch

    Flow Sensitive Unloader With 6 Amp Microswitch

    Details
  • PLSRZ36SS

    Specifications

    GPM

    2.4 to 16.0

    Max PSI

    3600

    Inlet

    1/2" BSP-F

    Outlet

    1/2" BSP-F

    Bypass

    1-1/2" BSP-F

    Temperature

    195° F

    Ship Weight

    4.6 lbs.

    Flow Sensitive Unloader, 303 Stainless Steel

    Flow Sensitive Unloader, 303 Stainless Steel

    Details
  • PLSRZ523

    Specifications

    GPM

    2.1 to 5.3

    Max PSI

    2300

    Inlet

    3/8" BSP-F

    Outlet

    3/8" BSP-F

    Bypass

    N/A

    Temperature

    195° F

    Ship Weight

    1.5 lbs.

    Flow Sensitive Unloader

    Flow Sensitive Unloader

    Details
  • PLSRZ523MS

    Specifications

    GPM

    2.1 to 5.3

    Max PSI

    2300

    Inlet

    3/8" BSP-F

    Outlet

    3/8" BSP-F

    Bypass

    N/A

    Temperature

    195° F

    Ship Weight

    1.7 lbs.

    Flow Sensitive Unloader with 6 Amp Microswitch

    Flow Sensitive Unloader with 6 Amp Microswitch

    Details
  • PLSRZ87SS

    Specifications

    GPM

    2.4 to 16.0

    Max PSI

    8700

    Inlet

    1/2" BSP-F

    Outlet

    1/2" BSP-F

    Bypass

    1/2" BSP-F

    Temperature

    195° F

    Ship Weight

    4.6 lbs.

    Flow Sensitive Unloader, 303 Stainless Steel

    Flow Sensitive Unloader, 303 Stainless Steel

    Details
  • PULSARZ

    Specifications

    GPM

    2.4 to 10.5

    Max PSI

    4000

    Inlet

    3/8" NPT-F

    Outlet

    3/8" NPT-F

    Bypass

    (2) 3/8" NPT-F

    Temperature

    195° F

    Ship Weight

    2.5 lbs.

    Flow Sensitive Unloader

    Flow Sensitive Unloader

    Details
  • PULSARZMS

    Specifications

    GPM

    2.4 to 10.5

    Max PSI

    3650

    Inlet

    3/8" NPT-F

    Outlet

    (2) 3/8" NPT-F

    Bypass

    N/A

    Temperature

    195° F

    Ship Weight

    2.5 lbs.

    Flow Sensitive Unloader with 6 Amp Microswitch

    Flow Sensitive Unloader with 6 Amp Microswitch

    Details
  • ZK1

    Specifications

    GPM

    2.3 to 10.8

    Max PSI

    3600

    Inlet

    3/8" BSP-F

    Outlet

    1/2" BSP-M

    Bypass

    1/2" BSP-M

    Temperature

    165° F

    Ship Weight

    2.3 lbs.

    Flow Sensitive unloader

    Flow Sensitive unloader

    Details
  • ZK138

    Specifications

    GPM

    2.3 to 10.8

    Max PSI

    3600

    Inlet

    3/8" BSP-F

    Outlet

    3/8" BSP-M

    Bypass

    1/2" BSP-M

    Temperature

    165° F

    Ship Weight

    2.3 lbs.

    Flow Sensitive Unloader

    Flow Sensitive Unloader

    Details
  • ZK30

    Specifications

    GPM

    2.1 to 3.0

    Max PSI

    1500

    Inlet

    3/8" BSP-F

    Outlet

    3/8" BSP-M

    Bypass

    3/4" BSP-M or 1/2" BSP-F

    Temperature

    165° F

    Ship Weight

    2.0 lbs.

    Flow Sensitive Unloader

    Flow Sensitive Unloader

    Details
  • ZK31

    Specifications

    GPM

    3.0 to 4.2

    Max PSI

    1500

    Inlet

    3/8" BSP-F

    Outlet

    3/8" BSP-M

    Bypass

    3/4" BSP-M or 1/2" BSP-F

    Temperature

    165° F

    Ship Weight

    2.0 lbs.

    Flow Sensitive Unloader

    Flow Sensitive Unloader

    Details
  • ZK32

    Specifications

    GPM

    4.2 to 5.5

    Max PSI

    1500

    Inlet

    3/8" BSP-F

    Outlet

    3/8" BSP-M

    Bypass

    3/4" BSP-M or 1/2" BSP-F

    Temperature

    165° F

    Ship Weight

    2.0 lbs.

    Flow Sensitive Unloader

    Flow Sensitive Unloader

    Details
  • ZK33

    Specifications

    GPM

    5.0 to 6.0

    Max PSI

    1500

    Inlet

    3/8" BSP-F

    Outlet

    3/8" BSP-M

    Bypass

    3/4" BSP-M or 1/2" BSP-F

    Temperature

    165° F

    Ship Weight

    2.0 lbs.

    Flow Sensitive Unloader

    Flow Sensitive Unloader

    Details
  • ZK50

    Specifications

    GPM

    2.1 to 3.0

    Max PSI

    3000

    Inlet

    3/8" BSP-F

    Outlet

    3/8" BSP-M

    Bypass

    3/4" BSP-M or 1/2" BSP-F

    Temperature

    165° F

    Ship Weight

    2.5 lbs.

    Flow Sensitive Unloader

    Flow Sensitive Unloader

    Details
  • ZK51

    Specifications

    GPM

    3.0 to 4.2

    Max PSI

    3000

    Inlet

    3/8" BSP-F

    Outlet

    3/8" BSP-M

    Bypass

    3/4" BSP-M or 1/2" BSP-F

    Temperature

    165° F

    Ship Weight

    2.5 lbs.

    Flow Sensitive Unloader

    Flow Sensitive Unloader

    Details
  • ZK52

    Specifications

    GPM

    4.2 to 6.6

    Max PSI

    3000

    Inlet

    3/8" BSP-F

    Outlet

    3/8" BSP-M

    Bypass

    3/4" BSP-M or 1/2" BSP-F

    Temperature

    165° F

    Ship Weight

    2.5 lbs.

    Flow Sensitive Unloader

    Flow Sensitive Unloader

    Details
  • ZK53

    Specifications

    GPM

    6.6 to 10.8

    Max PSI

    3000

    Inlet

    3/8" BSP-F

    Outlet

    3/8" BSP-M

    Bypass

    3/4" BSP-M or 1/2" BSP-F

    Temperature

    165° F

    Ship Weight

    2.5 lbs.

    Flow Sensitive Unloader

    Flow Sensitive Unloader

    Details
  • ZK70

    Specifications

    GPM

    2.1 to 3.0

    Max PSI

    3500

    Inlet

    3/8" BSP-F

    Outlet

    3/8" BSP-M

    Bypass

    3/8" BSP-F

    Temperature

    165° F

    Ship Weight

    5.0 lbs.

    Flow Sensitive Unloader

    Flow Sensitive Unloader

    Details
  • ZK71

    Specifications

    GPM

    3.0 to 4.2

    Max PSI

    3500

    Inlet

    3/8" BSP-F

    Outlet

    3/8" BSP-M

    Bypass

    3/8" BSP-F

    Temperature

    165° F

    Ship Weight

    5.0 lbs.

    Flow Sensitive Unloader

    Flow Sensitive Unloader

    Details
  • ZK72

    Specifications

    GPM

    4.2 to 6.6

    Max PSI

    3500

    Inlet

    3/8" BSP-F

    Outlet

    3/8" BSP-M

    Bypass

    3/8" BSP-F

    Temperature

    165° F

    Ship Weight

    5.0 lbs.

    Flow Sensitive Unloader

    Flow Sensitive Unloader

    Details
  • ZK73

    Specifications

    GPM

    6.6 to 10.8

    Max PSI

    3500

    Inlet

    3/8" BSP-F

    Outlet

    3/8" BSP-M

    Bypass

    3/8" BSP-F

    Temperature

    165° F

    Ship Weight

    5.0 lbs.

    Flow Sensitive Unloader

    Flow Sensitive Unloader

    Details
  • ZK9

    Specifications

    GPM

    2.5 to 13.2

    Max PSI

    5800

    Inlet

    1/2" BSP-F

    Outlet

    1/2" BSP-M

    Bypass

    1/2" BSP-F

    Temperature

    165° F

    Ship Weight

    11.0 lbs.

    Flow Sensitive Unloader

    Flow Sensitive Unloader

    Details
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