ZK1 Flow Sensitive Unloader 10.8 Gpm 3600 Psi 3/8" BSP-M Out QC Hydrocarbons are typically elevated at

Hydrocarbons are typically elevated at start-up and shut down of the nozzle firing

SKU:  6724

SKU: 6123

Change the oil after a 40 break-in period

ZK1 Flow Sensitive Unloader 10.8 Gpm 3600 Psi 3/8" BSP-M Out QC Hydrocarbons are typically elevated atZK1 Flow sensitive unloader 10. 8 GPM 3600 psi 3 8" BSP male outlet. The General Pump's newest flow sensitive or flow actuated unloader, the ZK1, is rated for a maximum volume of 10. 8 GPM and a discharge pressure of 3600 psi. This unloader also offers a compact design and can be rebuilt from the top without disturbing surrounding plumbing. The ZK1 is a soft start unloader offering gradual pressure increases, assuring safety for the operator and the