A system including a valve. The valve includes a valve body having an interior volume and a bore along a first axis. A stem extends along a second axis and a flow control element couples to the stem. The stem selectively moves the flow control element through the interior volume between a closed position and an open position relative to the bore. A valve insert system retains a pressurized lubricant in the interior volume.

A system including a valve. The valve includes a valve body having an interior volume and a bore along a first axis. A stem extends along a second axis and a flow control element couples to the stem. The stem selectively moves the flow control element through the interior volume between a closed position and an open position relative to the bore. A valve insert system retains a pressurized lubricant in the interior volume.

An exemplary gate valve includes a valve body having a gate cavity intersecting a through bore, the gate cavity extending through a first end of the valve body, an inner surface forming the gate cavity is angled outward from a center axis of the gate cavity to a gate cavity opening at the first end, and a gate positioned in the gate cavity and moveable between a closed position blocking flow through the through bore and an open position allowing flow through the through bore, the gate having a sealing face extending perpendicular to the through bore.

An exemplary gate valve includes a valve body having a gate cavity intersecting a through bore, the gate cavity extending through a first end of the valve body, an inner surface forming the gate cavity is angled outward from a center axis of the gate cavity to a gate cavity opening at the first end, and a gate positioned in the gate cavity and moveable between a closed position blocking flow through the through bore and an open position allowing flow through the through bore, the gate having a sealing face extending perpendicular to the through bore.

A gate valve system includes a body including an upstream end, a downstream end, and a flow path extending through the upstream end and the downstream end. The gate valve system includes a gate assembly extending within the body, the gate assembly including a gate a stem secured to the gate and configured to place the expandable gate in a first position in which a flow of fluid is permitted between the upstream end and the downstream end and a second position in which the flow of fluid is prevented. The gate valve system also includes a lubrication port in an exterior of the body, the lubrication port being in fluid communication with an interior of the body and including a lubrication guiding insert configured to guide a supply of lubricating fluid to a location inside the body and between the upstream end and the downstream end.

A gate valve system includes a body including an upstream end, a downstream end, and a flow path extending through the upstream end and the downstream end. The gate valve system includes a gate assembly extending within the body, the gate assembly including a gate a stem secured to the gate and configured to place the expandable gate in a first position in which a flow of fluid is permitted between the upstream end and the downstream end and a second position in which the flow of fluid is prevented. The gate valve system also includes a lubrication port in an exterior of the body, the lubrication port being in fluid communication with an interior of the body and including a lubrication guiding insert configured to guide a supply of lubricating fluid to a location inside the body and between the upstream end and the downstream end.

Provided is a mixer faucet configured such that a lubricant can be effectively supplied. The mixer faucet includes a fixed valve body and a movable valve body. The fixed valve body includes a hot water supply hole, a cold water supply hole, a drain hole, a first sliding surface, and a lubricant retention portion. At least a part of the lubricant retention portion is provided in a circumferentially extended region of the hot water supply hole and a circumferentially extended region of the cold water supply hole. In the circumferentially extended region, only the first sliding surface is present between the hot water supply hole and the lubricant retention portion. In the circumferentially extended region, only the first sliding surface is present between the cold water supply hole and the lubricant retention portion.

A system and methods according to which a controller communicates control signals to a first frac leg, which includes a wellhead operably associated with a first wellbore, a valve operably coupled to the wellhead, opposite the first wellbore, a frac line operably coupled to the wellhead, and a zipper module operably coupled to the frac line, opposite the wellhead. The first frac leg includes a first sub-controller that receives control signals from the controller. A grease system lubricates the first frac leg and the zipper module. The grease system includes a second sub-controller that receives control signals from the controller. A second frac leg is operably associated with a second wellbore. The second frac leg includes a third sub-controller that receives control signals from the controller. The first, second, and/or third sub-controllers may receive control signals from the controller via a communication bus.

A system and methods according to which a controller communicates control signals to a first frac leg, which includes a wellhead operably associated with a first wellbore, a valve operably coupled to the wellhead, opposite the first wellbore, a frac line operably coupled to the wellhead, and a zipper module operably coupled to the frac line, opposite the wellhead. The first frac leg includes a first sub-controller that receives control signals from the controller. A grease system lubricates the first frac leg and the zipper module. The grease system includes a second sub-controller that receives control signals from the controller. A second frac leg is operably associated with a second wellbore. The second frac leg includes a third sub-controller that receives control signals from the controller. The first, second, and/or third sub-controllers may receive control signals from the controller via a communication bus.

A hydraulic fracturing plan executable by a hydraulic fracturing system to hydraulically fracture a plurality of oil and gas wells.