Patent ID: 11867043
Assignee: KLX ENERGY SERVICES LLC
Field: Mechanical elements (Mechanical engineering)
Classification: CPC E  F | IPC E  F

Claim 10:
11. The pressure bleed-off system of claim 10, wherein:
the controller is configured to send the command signals to open the first high pressure line plug valve and the second high pressure line plug valve in response to a Downstream Bleed-Off signal sent by the operator as a control instruction, wherein the command signals cause the second high pressure line plug valve to open before the first high pressure line plug valve is fully opened; and
the controller is configured to send the command signals to open the first low pressure line plug valve and the second lower pressure line plug valve in response to an Upstream Bleed-Off signal sent by the operator as a control instruction, wherein the command signals cause the second low pressure line plug valve to open before the first low pressure line plug valve is fully opened.