US 10,890,264 B2
Flexing slot for plug valve insert
Glen H. Cuiper, Haddon Township, NJ (US); Travis Harrel, Midland, TX (US); and Christian Leuchtenberg, Singapore (SG)
Assigned to Quarter Turn Pressure Control, LLC, Midland, TX (US)
Filed by Quarter Turn Pressure Control, LLC, Midland, TX (US)
Filed on Nov. 1, 2018, as Appl. No. 16/178,423.
Claims priority of provisional application 62/699,641, filed on Jul. 17, 2018.
Prior Publication US 2020/0025296 A1, Jan. 23, 2020
Int. Cl. F16K 5/04 (2006.01); F16K 5/16 (2006.01)
CPC F16K 5/0407 (2013.01) [F16K 5/0471 (2013.01); F16K 5/168 (2013.01)] 16 Claims
OG exemplary drawing
 
1. An insert adapted for use in a plug valve comprising:
a single-piece body having an inner sidewall adapted to interface with a sidewall of a valve plug, first and second opposing apertures are each defined through the single-piece body for selective alignment with a flow bore of the valve plug, and first and second opposing slots are each defined through the single-piece body at an angle to the first and second opposing apertures for allowing the body to flex in a direction of the first and second opposing apertures;
wherein:
the single-piece body comprises first and second opposing rims spaced by a central body portion; and
the first and second opposing slots extend inward from a selected one of the first and second rims into the central body portion; and
further comprising third and fourth opposing slots extending inward from another one of the first and second rims into the central body portion.