An apparatus for restricting flow of a fluid along a shaft passing through the apparatus while permitting the shaft to freely rotate can include a housing, a gland follower, a fastening mechanism, and a biasing mechanism. The gland follower may include a center aperture for receiving the shaft and at least one fastening aperture. When installed, the fastening mechanism mechanically couples the gland follower to the housing to define a cavity in conjunction with a recess within the housing. Also, the biasing mechanism generates a predetermined force when installed that biases the gland follower towards the housing in a direction parallel to an axis of rotation of the shaft. The predetermined force can be translated into a force that deforms packing material inserted into the cavity to provide sealing engagement with the shaft.

One or more techniques and/or systems are disclosed for mitigating fluid loss or leakage from a fluid pump with a rotating shaft driving a pumping mechanism. A packing gland component can have an internal seal formed by two dynamic O-rings that allows for use of lubricants at high pressures, as well as an outer seal for greater prevention of fluid loss. Further, the packing gland component can be a retrofit for existing packing gland components to provide for greater life and efficiency as compared to the existing packing gland components. Additionally, in some implementations, a sleeve may be fixedly attached to the rotating shaft between the packing gland and the shaft to provide a wear point for the packing gland.

An annular scraper ring assembly for a packing arrangement is disclosed. The annular scraper ring assembly can form a seal with a plunger included in a fluid end of a reciprocating pump and includes two or more rings, including a first ring and a second ring. The first ring is formed from a resilient material configured to form a seal against a plunger included in a fluid end of a reciprocating pump and includes an upstream face and an inner surface. The second ring defines a caroming surface configured to engage the upstream face of the first ring and cam the inner surface inwards when the first ring is compressed against the second ring.

An annular scraper ring for a packing arrangement is disclosed. The annular scraper ring that can form a seal with a plunger included in a fluid end of a reciprocating pump and includes a planar upstream face and an inner surface with a tapered section. The tapered section tapers away from the plunger along a downstream direction so that the scraper ring is widest at the planar upstream face.

An improved bearing or bushing body extraction from a stuffing box using jack screws is provided. The bearing or bushing seal body includes at least one jack screw on each half of a split body. The jack screw passes axially through the sidewall of the body to the inner flange of the stuffing box and turning the jack screw against the inner flange to lift the body from the stuffing box. A single inner threaded or double threaded insert with a reverse outer thread and standard inner thread is inserted into the bottom wall of the body so that the body may be installed flush against the inner flange. By turning the jack screw through the insert and against the flange, the seal body is pushed out rather than pulled.

A fluid end block for a reciprocating pump defines a fluid chamber and a packing bore. An outlet fluid passage is formed in the fluid end block in communication with the fluid chamber and includes an outlet valve. An inlet fluid passage is formed in the fluid end block in fluid communication with the fluid chamber and includes an inlet valve. A plunger is reciprocally disposed in the packing bore. Packing in the packing bore is positioned to contact the plunger and a packing sleeve is disposed between the packing and the packing bore. The packing sleeve is a hollow cylinder with inner and outer surfaces and an inner end configured to be inserted into the packing bore. The inner end includes a bevel extending between the outer surface and the inner end, the outer surface including a notch formed therein adjacent the inner end.

A fluid sealing system for a rotary mechanical device including a pillar lantern ring having a bottom and a top end cap with pillars or columns connecting the end caps is formed by additive manufacturing. The bottom annular end cap has an outside face and an opposed inside face defining a height therebetween and the upper annular end cap has an inside face and an opposed outside face defining a height therebetween with a plurality of integrally formed substantially cylindrical axial columns connecting the two opposed inside faces of the two end caps.

One or more techniques and/or systems are disclosed for mitigating fluid loss or leakage from a fluid pump with a rotating shaft driving a pumping mechanism. A packing gland component can have an internal seal formed by two dynamic O-rings that allows for use of lubricants at high pressures, as well as an outer seal for greater prevention of fluid loss. Further, the packing gland component can be a retrofit for existing packing gland components to provide for greater life and efficiency as compared to the existing packing gland components. Additionally, in some implementations, a sleeve may be fixedly attached to the rotating shaft between the packing gland and the shaft to provide a wear point for the packing gland.

An improved bearing or bushing body extraction from a stuffing box using jack screws is provided. The bearing or bushing seal body includes at least one jack screw on each half of a split body. The jack screw passes axially through the sidewall of the body to the inner flange of the stuffing box and turning the jack screw against the inner flange to lift the body from the stuffing box. A single inner threaded or double threaded insert with a reverse outer thread and standard inner thread is inserted into the bottom wall of the body so that the body may be installed flush against the inner flange. By turning the jack screw through the insert and against the flange, the seal body is pushed out rather than pulled.

A packing assembly includes a packing sleeve having a first sleeve portion and a second sleeve portion, wherein a first sleeve portion outer diameter is larger than a second sleeve portion outer diameter and a first sleeve portion inner diameter is larger than a second sleeve portion inner diameter. The packing assembly also includes a groove formed in the second sleeve portion outer diameter. The packing assembly further includes a shoulder formed at a transition between the first sleeve portion and the second sleeve portion. The packing assembly includes a shelf formed at the transition between the first sleeve portion and the second sleeve portion. The packing assembly also includes a plurality of packing components arranged within the first sleeve portion inner diameter, at least a portion of the plurality of packing components engaging the shelf. The packing assembly further includes a seal positioned within the groove.