Plug Valves TRIZ Cases

A valve stop mechanism limits seat travel to allow ball movement.

Receiving spaces on the valve bore inner face accommodate shear-stressed coating material, preventing viscosity buildup that jams the bearing gap.

An integrated expansion tank valve maintains circuit pressure through a movable covering flap.

A coolant control valve integrates a thermoelectric generator to power the actuator using temperature differentials.

Optical element reflects indicator images to clarify valve positions, preventing administration errors in compact medical devices.

Sealed bearings enable friction-free rotation in a rotary throttle valve carburetor, reducing drag and maintaining optimal air/fuel ratios.

Pivotal throttle bodies regulate flow area in a high-speed injector, preventing steam implosion damage in pulp suspensions.

Segmenting high-wear components into a removable Cartridge Assembly Module eliminates time-consuming manifold disassembly during maintenance.

A double piston effect seating assembly uses unidirectional lip seals to increase sealing contact pressure between the seat and ball.

Compact gas distribution device mounts directly on cylinders with integrated high-pressure regulator and purge system.

A rotary shaft valve mechanism controls gas flow in semiconductor manufacturing systems.

Segmenting the control handle from the spanner tool improves access to threaded connections in restricted spaces.

A tandem conical valve design separates two coaxial cores to lower fluid pressure resistance during operation.

A solenoid assembly with a manifold system uses a dedicated external relief port to bypass pressurized inert gas flow.

A nested internal blow out preventer uses separate inner and outer valve elements to maintain flow area while reducing seal wear.

An expandable attachment ring wedges between a shoulder and an object in a flow channel, preventing vibrations and noise caused by inadequate securing.

A seal bottle assembly uses a radial hole and restriction ring to manage internal pressure states.

A dual chamber adapter isolates liquid and gas flows within piping systems to enable safe winterization operations.

Magnetic locking prevents spillage exposure while quick-release grooves enable rapid sealed connection for automated cleaning.

A retention spacer limits sealing ring expansion under pressure, preventing misalignment and ensuring full valve closure.

A rotary valve sliding seal uses varying thickness to create local stiffness regions that maintain elastic preload against the valve body.

Segmented valve seat rings adapt to pressure-induced ball deflection, preventing leakage and reducing wear across varying operating conditions.

A segmented metal seat design combines a rigid support ring with an elastomeric seal element to maintain sealing integrity in floating ball valves.

Segmented passages in the seat separate static and dynamic pipes, preventing hose interference during smooth spray head extension.

Segmented sleeve assemblies deliver lubricant and extract water through dedicated ports, preventing corrosion in hard-to-reach locations.

A protective sleeve covers the stem and engagement surfaces of a metering valve to isolate operational components from external contaminants.

Shaped upper seat opens before main bore to wet and displace sand-laden debris, preventing compaction blockage.

Reduced lip width and elliptical hollows lower hydraulic forces, resolving the trade-off between position stability and operating force.

An integrated cylindrical body eliminates glued joints prone to leaks, while an elastomeric piston redirects flow under high pressure.

A pressure relief valve uses a recessed base body to lift the membrane at low pressures.

Optimized asymmetric orifice profiles shape fluid passages to deliver uniform flow rates across the entire rotation range.

An integrated cartridge seat eliminates screws to prevent leakage and corrosion while simplifying installation in single-control faucets.

Safety valve assembly uses axially spaced ceramic washers to electrically isolate tubular members within the connection fitting.

A compact faucet valve cartridge uses a rotatable spindle and aligned disks to control fluid flow through side openings.

Insulating jacket surrounds vessel to circulate glycol, eliminating double-walled complexity while preventing bacterial contamination.

A bottom entry plastic ball valve uses a fusion-bonded bottom cover to mount sealing rings directly.

Soldering paste liquefies during heating to fill thread gaps, preventing leakage under high temperature conditions.

Segmented locking collar prevents inadvertent valve movement without padlock while aperture enables tamper resistance.

A flow guiding component integrates a pump drive unit within a shut-off body to enable maintenance without disconnecting fluid lines.

Dynamic dome pressure adjustment reduces elastomer seal sheet wear by maintaining minimum seating force, improving sealing reliability and component longevity.

Segmented ball and seat assemblies use thermal expansion to generate compressive stresses that prevent deformation under extreme downhole pressure.

An aluminum housing with polyetherimide ball seals resolves leakage at low temperatures while maintaining high discharge coefficients.

Segmented collar projections fit into a housing bore to secure the valve shaft, reducing material consumption and leakage risk.

Annular bosses on the valve seat ring channel process fluid to increase sealing pressure ratio, reducing driving moment under high differential pressures.

Indexing ramps on a plug valve shaft engage complementary portions to lock rotation, eliminating flight actuators while preserving ground calibration.

A rotary valve uses fluid pressure to press an annular contact portion against a rotor surface, ensuring tight sealing across varying flow directions.

A metallic labyrinth seal with a disc spring limits fluid leakage across extreme temperatures.

A plug valve uses spring elements to press a rotating plug against an annular sealing element for reliable fluid isolation.

Segmented guide element rotates to maintain sliding surface parallelism, reducing wear on valve actuator slots.