Patent ID: 11927070
Assignee: SAFOCO, INC.
Field: Civil engineering (Other fields)
Classification: CPC E  F | IPC E  F

Claim 10:
11. The valve skid of claim 10, wherein the check block comprises:
a plurality of first check openings disposed outwardly of the second central opening of the check block and extending partially into the first check side face of the check block, wherein the plurality of first check openings are aligned with the plurality of second gate openings of the gate block;
a plurality of second check openings disposed outwardly of the second central opening of the check block and extending partially into the second check side face of the check block;
a plurality of third check openings disposed outwardly of the plurality of first check openings of the check block, wherein the plurality of third check openings are aligned with the plurality of third gate openings of the gate block; and
a plurality of fourth check openings disposed outwardly of the plurality of second check openings of the check block.