Slide Valve TRIZ Cases

A recessed seat plate keeps throttled flow centered in a gate valve, reducing downstream erosion and handling abrasive materials better.

A repositionable grip and finger rest reduce hand and arm tension during liquid application, helping maintain more uniform coatings over time.

A one-piece elastomeric liner and collar seal redirects valve leakage outward for visual detection while lowering gate-seal wear in abrasive service.

Multiple bolts on a flange improve valve rod to piston force transfer while cutting tightening torque and simplifying large control valve assembly.

Pivoting upper and lower casing sections let a two-part sleeve be replaced on-site, cutting knife gate valve downtime and maintenance cost.

A rotating gate with shaped protrusions delivers precise flow modulation with low pressure drop in compact valves for tight packaging.

Adjustable elastic members synchronize gate plates to smooth valve motion, buffer positioning, and adapt sealing force across valve sizes.

Detachable screw flanges and replaceable seat bushings simplify shut-off valve installation, repair, and sealing in pipe systems.

Rotary members translate guillotine valves to control molten injection flow, reducing perturbations, buildup, waste, and molding defects.

A gate valve uses adjustable movable valves and force-applying units to control fluid flow.

Segmented elastomer seals and spring-assisted wedging eliminate abrasion and corrosion while enabling frictionless operation and inline maintenance.

A bidirectional knife gate valve uses a perimeter seat to compress against the gate for effective sealing.

Curved notches in valve plugs guide fluid smoothly into outlet ports, resolving inadequate distribution and insufficient choking performance.

Segmented partial polygon wire ring retains internal valve components via elastic contact points, eliminating complex threading operations.

Segmented valve seats manage extreme thermal cycling in coke drums by shearing debris and maintaining seal integrity during operation.

A sliding valve design repositions pipe-side guide elements outside the catalyst flow path to reduce mechanical wear.

Angular clamping surfaces press valve plates against a carrier plate to eliminate wobbling and ensure precise positioning during assembly.

A gate valve seal assembly uses activation means to provide additional sealing force against seal seats during closure.

Nested dovetail seal groove and segmented valve seat block radicals from reaching the seal member, preventing deterioration and dislodgment.

Annular ribs form cavities that channel contaminants away from sealing surfaces, preventing leakage in erosive fluid environments.

Spring-steel loading elements press plaited packing against the blade to maintain continuous contact within the feed-through.

A compound seal assembly uses a deformable support seal behind a face seal to maintain structural integrity during wellbore sealing operations.

Sealed housing isolates the workspace to replace grease fittings online, eliminating production downtime and safety risks from depressurization.

Offset wall creates fluid collection groove parallel to gate movement path, preventing interference with wafer transfer equipment.

Strengthening ribs maintain valve stiffness without adding mass, while elastic metal seals ensure bonnet integrity.

Stationary seals within a cage structure eliminate shaft friction, reducing seal wear and maintenance costs.

Metallic valve seats with radial slots accommodate thermal expansion, preventing leakage across dynamic and static sealing interfaces.

A gate valve uses a plate spring package to press slide plates against seat rings, preventing rattling and surface damage.

Segmented gate segments move orthogonally to prevent dry bulk material wedging and cross-contamination while enabling quick disassembly.

Multiple seals on each gate face maintain consistent compression against the valve seat, resolving sealing challenges under high fluid pressures.

Segmented gate design resists black powder wear while live-loaded seats maintain gas-tight seals for in-service maintenance.

Independent clamp elements in a segmented packing gland apply localized compression to prevent over-tightening and extend packing life.

Rotating the second valve element positions the fluidic slit to avoid obstacles during plate insertion while locking prevents accidental disassembly.

A rotary slide valve uses an eccentric axis and curved contour to maximize flow area within a compact installation footprint.

Segmenting the valve plate isolates the sealing ring from shear forces, reducing wear while maintaining gastight integrity under high pressure differences.

Integrated cartridge-carriage assembly with rollers and scrapers clears debris from ribs during movement, reducing maintenance time for large scale gate valves.

Segmented laminar gate layers prevent dirt accumulation and maintain sealing reliability under pressure.

A spacer maintains a precise gap between the slit valve door and sealing surface to protect the seal from corrosive gases.

Displaceable closure member mounts on drive unit support body to align precisely with valve seat.

Semi-circular blade with planar motion eliminates void areas and prevents material packing, ensuring reliable seal integrity for dry bulk solids.

Oscillating valve closure cleans sealing surfaces during operation, preventing coking buildup and eliminating the need for double block and bleed systems.

Segmenting the valve body and extracting seal functions prevents particulate accumulation while simplifying maintenance in coal gasification lines.

A self-cleaning valve spindle uses a wiper member to remove contaminants from the cylinder wall, preventing corrosion and binding issues.

A high-pressure valve reduces rotor friction using a dynamically sealed cylindrical surface on the moveable member.

Spring elements between shut-off plates provide sealing force while sealing gas pressure compensates for spring failure in high-pressure chemical plants.

Helical phase couplers adjust timing between reciprocating pistons and sleeves, eliminating secondary shafts to optimize port overlap.

A single-piece metal orifice valve housing uses strategic bending to create a unitary structure that reduces component count and fabrication costs.

A dosing apparatus uses an electric actuator to move a shutter element along a divergent opening path.

Complementary grooves guide roller elements to seal vacuum valve openings, preventing ball loss during operation.

A shut-off valve restrictor guides gas flow radially to shield the sealing member from particle impact.