Abstract: A piston check valve system includes a body including an upstream end and a downstream end, a bonnet secured to a proximal opening of the body, and a piston secured within the body, the piston being moveable between a closed position in which the piston rests upon a valve seat and an open position in which the piston is spaced away from the valve seat. The piston check valve system also includes a retainer configured to guide and retain the piston and to secure the valve seat within the body.

Abstract: A ball valve may include a body having an upstream end and a downstream end. A ball may be within the body between the two ends, the ball being rotatable about a vertical axis to move between an open position and a closed position. A ball valve may include a stem with a body and an actuator portion that enables the ball to be rotated between the open and closed positions. A ball valve may include a seat assembly with a first end facing towards the ball and a second end facing away from the ball, the seat assembly including a seat, the seat being in contact with the ball; a lantern ring, the lantern ring positioned closer to the second end of the seat assembly than the first end of the seat assembly; and a seal, the seal positioned between the seat and the lantern ring.

Abstract: A swing check valve includes a body and a swing assembly, the body including an inner volume having a middle portion extending between an upstream end portion and a downstream end portion and a wall that surrounds the inner volume and the swing assembly including a disc having an upstream surface that faces the upstream end portion when the disc is in a closed position and a downstream surface that faces the downstream end portion when the disc is in the closed position and a valve seat having an outer circumferential surface in contact with the wall. The body also includes a flow path extending from the upstream end portion to the downstream end portion, wherein the middle portion includes the flow path and an upper recess positioned above the flow path.

Abstract: A piston check valve system includes a body including an upstream end and a downstream end, a bonnet secured to a proximal opening of the body, and a piston secured within the body, the piston being moveable between a closed position in which the piston rests upon a valve seat and an open position in which the piston is spaced away from the valve seat. The piston check valve system also includes a retainer configured to guide and retain the piston and to secure the valve seat within the body.

Abstract: A ball valve may include a body having an upstream end and a downstream end. A ball may be within the body between the two ends, the ball being rotatable about a vertical axis to move between an open position and a closed position. A ball valve may include a stem with a body and an actuator portion that enables the ball to be rotated between the open and closed positions. A ball valve may include a seat assembly with a first end facing towards the ball and a second end facing away from the ball, the seat assembly including a seat, the seat being in contact with the ball; a lantern ring, the lantern ring positioned closer to the second end of the seat assembly than the first end of the seat assembly; and a seal, the seal positioned between the seat and the lantern ring.

Abstract: A gate valve system may include a downstream end and an upstream end with a flow path extending through the downstream end and the upstream end. A gate valve system may include a gate extending within the body with a downstream surface facing the downstream end and an upstream surface facing the upstream end. A gate valve system may include a stem secured to the gate and configured to actuate the gate between a first position in which a flow of fluid is permitted between the downstream end and the upstream end and a second position in which the flow of fluid is prevented. A gate valve system may include a downstream seat assembly contacting the downstream surface and an upstream seat assembly contacting the upstream surface, wherein each of the downstream seat assembly and the upstream seat assembly includes a spring member.

Abstract: A swing check valve includes a body and a swing assembly, the body including an inner volume having a middle portion extending between an upstream end portion and a downstream end portion and a wall that surrounds the inner volume and the swing assembly including a disc having an upstream surface that faces the upstream end portion when the disc is in a closed position and a downstream surface that faces the downstream end portion when the disc is in the closed position and a valve seat having an outer circumferential surface in contact with the wall. The body also includes a flow path extending from the upstream end portion to the downstream end portion, wherein the middle portion includes the flow path and an upper recess positioned above the flow path.

Abstract: A ball valve may include a body having an upstream end and a downstream end. A ball may be within the body between the two ends, the ball being rotatable about a vertical axis to move between an open position and a closed position. A ball valve may include a stem with a body and an actuator portion that enables the ball to be rotated between the open and closed positions. A ball valve may include a seat assembly with a first end facing towards the ball and a second end facing away from the ball, the seat assembly including a seat, the seat being in contact with the ball; a lantern ring, the lantern ring positioned closer to the second end of the seat assembly than the first end of the seat assembly; and a seal, the seal positioned between the seat and the lantern ring.

Abstract: A swing check valve includes a body and a swing assembly, the body including an inner volume having a middle portion extending between an upstream end portion and a downstream end portion and a wall that surrounds the inner volume and the swing assembly including a disc having an upstream surface that faces the upstream end portion when the disc is in a closed position and a downstream surface that faces the downstream end portion when the disc is in the closed position and a valve seat having an outer circumferential surface in contact with the wall. The body also includes a flow path extending from the upstream end portion to the downstream end portion, wherein the middle portion includes the flow path and an upper recess positioned above the flow path.

Abstract: A ball valve system includes a body having an upstream end and a downstream end and a ball within the body between the upstream end and the downstream end, the ball being rotatable about a vertical axis to move between a closed position and an open position. The ball valve assembly includes a stem movable in an actuation direction substantially parallel to the vertical axis, the stem including a recess at a proximal portion of the stem, a guiding member extending within the recess of the stem, the guiding member being configured to prevent rotation of the stem or cause rotation of the stem, and a lubrication port in fluid communication with the recess.

Abstract: A ball valve system includes a body having an upstream end and a downstream end and a ball within the body between the upstream end and the downstream end, the ball being rotatable about a vertical axis to move between a closed position and an open position. The ball valve assembly includes a stem movable in an actuation direction substantially parallel to the vertical axis, the stem including a recess at a proximal portion of the stem, a guiding member extending within the recess of the stem, the guiding member being configured to prevent rotation of the stem or cause rotation of the stem, and a lubrication port in fluid communication with the recess.

Abstract: A piston check valve system includes a body including an upstream end and a downstream end, a bonnet secured to a proximal opening of the body, and a piston secured within the body, the piston being moveable between a closed position in which the piston rests upon a valve seat and an open position in which the piston is spaced away from the valve seat. The piston check valve system also includes a retainer configured to guide and retain the piston and to secure the valve seat within the body.

Abstract: A piston check valve system includes a body including an upstream end and a downstream end, a bonnet secured to a proximal opening of the body, and a piston secured within the body, the piston being moveable between a closed position in which the piston rests upon a valve seat and an open position in which the piston is spaced away from the valve seat. The piston check valve system also includes a retainer configured to guide and retain the piston and to secure the valve seat within the body.

Abstract: 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.

Abstract: A ball valve system includes a body having an upstream end and a downstream end and a ball within the body between the upstream end and the downstream end, the ball being rotatable about a vertical axis to move between a closed position and an open position. The ball valve assembly includes a stem movable in an actuation direction substantially parallel to the vertical axis, the stem including a recess at a proximal portion of the stem, a guiding member extending within the recess of the stem, the guiding member being configured to prevent rotation of the stem or cause rotation of the stem, and a lubrication port in fluid communication with the recess.

Abstract: 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.

Abstract: A ball valve system includes a body having an upstream end and a downstream end and a ball within the body between the upstream end and the downstream end, the ball being rotatable about a vertical axis to move between a closed position and an open position. The ball valve assembly includes a stem movable in an actuation direction substantially parallel to the vertical axis, the stem including a recess at a proximal portion of the stem, a guiding member extending within the recess of the stem, the guiding member being configured to prevent rotation of the stem or cause rotation of the stem, and a lubrication port in fluid communication with the recess.

Abstract: A piston check valve system includes a body including an upstream end and a downstream end, a bonnet secured to a proximal opening of the body, and a piston secured within the body, the piston being moveable between a closed position in which the piston rests upon a valve seat and an open position in which the piston is spaced away from the valve seat. The piston check valve system also includes a retainer configured to guide and retain the piston and to secure the valve seat within the body.

Abstract: A piston check valve system includes a body including an upstream end and a downstream end, a bonnet secured to a proximal opening of the body, and a piston secured within the body, the piston being moveable between a closed position in which the piston rests upon a valve seat and an open position in which the piston is spaced away from the valve seat. The piston check valve system also includes a retainer configured to guide and retain the piston and to secure the valve seat within the body.

Abstract: A piston check valve system includes a body including an upstream end and a downstream end, a bonnet secured to a proximal opening of the body, and a piston secured within the body, the piston being moveable between a closed position in which the piston rests upon a valve seat and an open position in which the piston is spaced away from the valve seat. The piston check valve system also includes a retainer configured to guide and retain the piston and to secure the valve seat within the body.