Plug Valves TRIZ Cases

A base-and-module bushel lets one fluid control valve fit different fluid circuit counts, reducing redesign and preserving configuration flexibility.

Spring-loaded annular lips let a single cryogenic seat seal a ball valve in both flow directions while avoiding cavity overpressure.

Cone projections cut airflow noise while an adjustable spacer tunes spring compression for precise, quieter air valve control.

An annular indicator with discrete cam features lets one sensor detect more valve shaft positions, improving control precision and reliability.

A notched bypass member switches paint between the main line and flow control outlet while allowing pig travel for reclaim and cleaning.

A conical self-centering rotary valve cuts lateral mating stress, reducing wear, fluid carryover, and control instability.

Timed aseptic air pulses remove excess sterilization agent around protruding package features without slowing roll-fed packaging lines.

Fluid vortices formed by a concavity impede passage flow, cutting leakage without contact seal wear and preserving component movement.

A protruding valve accommodation portion cuts manifold height limits from rotary valve packaging in electric vehicle cooling flow paths.

A detachable cock support member and O-ring seal gaps at the outlet interface to block steam entry in hot-water water purifiers.

Inclined annular rib geometry lets the rotor ride gradually during rotation, cutting torque peaks, sliding resistance, and seal wear.

Segmented intermediate outflow ports let a rotary valve adjust flow while limiting seat-surface wear differences and preserving sealing over time.

Endless-groove seals shift erosion from the fluid end body to replaceable plugs, reducing leakage, downtime, and repair cost.

A toroidal tensioning element and annular thruster preload a lip seal to limit leaks despite metal tolerances and surface roughness.

Symmetric valve-body windows let the actuator switch sides while preserving ball rotation that keeps suspended debris out of moving parts.

Flat-state molding followed by rolling creates a cylindrical sealing element without complex slides, cutting cost and tool complexity.

An integrated cover pressing portion constrains the sealing member to prevent deformation and fluid leakage without increasing rotary valve size.

A rotary valve with shaped openings and an axial plug simplifies dialysis fluid routing, mixing ratios, and cracking pressure control.

A rotary knob and spring-sealed valve switches one bronchoscope channel between suction and gas delivery to cut procedure time and trauma.

Staged expansion chambers in parallel valve flow channels cut aerodynamic noise and turbulence while preserving pressure-drop control and flow capacity.

High-velocity thermal spraying of nanostructured TiO2-Cr2O3 boosts coating hardness and cuts abrasion loss on wear-prone mechanical parts.

An axially sliding ring locks the valve handle to a latching ring, preventing rotation and removal without separate loose parts.

External magnets and an internal flux path actuate a seal-less valve to prevent stem-seal leaks and withstand high temperatures without continuous power.

A pivot-limited shut-off and secure locking mechanism reduce fluid spillage during repeated medical quick disconnects.

A circumferential spindle channel varies depth and width through 50° rotation to give finer fluid flow control than traditional stopcocks.

Cams, O-rings, and gearing add tactile and visual feedback beyond normal ball valve travel to limit water hammer and over-rotation damage.

A rotating multi-port coolant valve uses overflow sealing and one actuator to enable proportional flow while reducing fluid hammer noise.

A dielectric cam shaft isolates motor faults from the ball shaft while preserving torque transfer under resistance in actuated valve drives.

An intermediate element separates the gasket from the moving plug, reducing wear and maintaining a fluid-tight seal over time.

A resilient convolution section lets the valve seat move with the control member, reducing leakage and maintaining a consistent seal under pressure.

An integral elastic pad and sealing member increases contact area to prevent rotation blockage and fluid leakage in multi-passage valves.

A helical initial flow channel guides early valve opening to limit pressure spikes, reducing noise, cavitation, erosion, and vibration.

Drainage holes and a flexible washer clear water from valve gaps while blocking debris, helping prevent freezing damage with simpler manufacture.

Dielectric pins between drive and driven shafts block fault transmission while maintaining torque transfer in actuated ball valves.

By extending the valve accommodation portion toward the adjacent housing, this resin manifold cuts rotary valve height constraints and saves space.

A nested sealing and mounting valve seat resists torque deformation and sand buildup, reducing plug valve sticking in fracturing manifolds.

Asymmetric pressure keeps the seat and bushing engaged with the plug to limit seal contamination and improve high-pressure valve reliability.

An insert-compressed seal keeps small valve cocks leak-tight by preventing loosening and allowing worn seals to be replaced easily.

Vertical two-way valves and a bypass path prevent particle buildup at sealing surfaces, reducing exhaust gas leakage to the abatement reactor.

When a ball valve blocks ultrasonic paths, pressure and valve-position sensing keep fluid flow measurement and regulation continuous.

Separate micro and macro pumps with a disposable manifold improve low-volume dosing accuracy, reduce refill downtime, and support aseptic compounding.

Adjustable pressure and throttling valves regulate gas bottle flow for faster bicycle tire inflation without burst-prone overpressure.

Annular trim openings suppress ball valve noise while avoiding throttling-ball heating, cutting assembly time, labor, and production cost.

A body-mounted seal in a fluid end assembly redirects erosion to a replaceable sealing component, cutting leakage-related repairs and downtime.

A rotating stem head with an internal canal replaces multi-part valve elements to cut wear and hysteresis while maintaining precise flow modulation.

A hard-soft seal assembly with an axial mounting plunger maintains contact pressure and tolerance compensation while limiting ball valve friction torque.

Wireless control, pressure sensing, and electric plug valves move frac line bleed-off outside the red zone for safer, more precise pressure release.

A mounting tappet sets ball valve seal spacing and absorbs tolerances to keep contact pressure uniform without raising friction torque.

Flexible sealing rings and a stabilized inlet connector prevent seepage and pipe twisting in a rotating multi-outlet valve.

Dovetail driving tracks move separate sealing members inside the valve body, improving stem sealing reliability while preserving full-port flow.