Plug Valves TRIZ Cases

See how adjustable insert parts fixed in defined positions replace complex valves, enabling hyd

See how a pre-assembled pressure equalization insert with membrane and spring mechanism simplif

See how a rotary valve with variable cut-outs controls two evaporators using one drive, reducin

See how a rotatable spool with spheroidal segments replaces multiple expansion valves, enabling

See how a cylindrical gas regulating unit with multiple outlet openings of varying cross-sectio

See how a portable faucet uses segmentation, a three-way ball valve, and clamp assembly to enab

See how a wall-mountable conduit connection merges an electrically controllable valve cartridge

See how a balancing valve integrates a bypass passage and rotatable valve body to enable mainte

An elongated flow passage expands capacity without enlarging the valve member, reducing pressure drop in compact six-way flow switching.

See how distributed flow-rate regulators with feedback control optimize carrier fluid distribut

See how a relay unit with integrated flow switching devices eliminates separate control valves,

See how a screw-driven slider and splined shaft actuate multiple manifold valves without individual wiring while cone plugs support leak-proof sealing.

See how a cup-shaped body and rolling membrane integrate differential pressure sensing and flow

See how a pulldown eyewash and sheeting diffuser eliminate catch basins, reduce floor space, an

See how a threadless valve connector uses pawls, seal rings, and push-fit assembly to eliminate

See how an integrated throttle element enables KVS value adjustment in three-way mixers without

See how dual pressure-receiving surfaces cancel refrigerant forces to stabilize seal contact pr

See how a bypass duct through the valve shutter enables pressure relief without gasket contact,

See how a tubular valve rod with sleeve protrusion and opening grooves balances axial refrigera

See how a wedge-shaped closing member with variable thickness minimizes pressure forces, enabli

See how integrating a bypass channel and pressure relief passage into a ball valve body reduces

See how a multi-function valve integrates isolation, check, and measurement functions to reduce

See how perpendicular ball valve axes enable larger control knobs in a compact bypass valve, re

See how a sliding adapter with o-ring seal accommodates varying wall thicknesses and supply pip

See how a T-shaped connecting element with integrated valve shaft and cylindrical obturator con

See how a 360-degree smart valve actuator detects installation orientation errors and auto-rota

See how a single valve with two modulatable orifices replaces multiple flow control devices in

See how a cup-shaped body, rolling membrane, and central spindle merge differential pressure re

See how integrating a differential pressure regulator into a three-way control valve reduces HV

See how a concentric closing member with tapered geometry minimizes pressure forces on the floa

See how a bypass duct on the shutter routes overpressure fluid through the intermediate chamber

See how concentric outflow and return conduits eliminate dead legs and maintain circulation to

See how an elastomeric seal with convolutions uses pressure differential to maintain leak-proof

See how perpendicular ball valve axes enable larger control knobs in a compact bypass valve bod

See how a universal ball valve with orthogonal outlets and plugs reduces inventory complexity w

See how an electromagnetically controlled valve with calibrated passage enables precise cooling

See how horizontal riser channels and impact surfaces enable compact pipeline venting under sus

See how a screw-driven slider with cone-shaped plugs simplifies multi-zone valve actuation, red

See how a screw-driven slider actuates multiple zone valves through cross gears, reducing manif

See how groove parts and hole parts formed in both valve body and driving member enable fine re

See how a rotating metering ball with separate hot and cold flowpaths enables automatic tempera

See how a screw-driven slider with cross-gear engagement replaces individual solenoid actuators

Pressure sensors and a programmable valve keep circuit flow aligned with a reference value, improving HVAC balancing flexibility and installation ease.

Dual axially offset inlet openings expand controllable flow area in heating and cooling valves while a pressure regulator stabilizes regulation.

A non-circular inlet and slotted plug make gas burner flow more linear, improving control resolution with smaller valve rotation.

A parallel valve cartridge layout lets faucet handles be serviced without rotating the valve body, while keeping a compact form and separate spout compatibility.

A movable flow channel between the chamber floor and pump sump cuts water and chemical use while keeping cleaning cycles fast for bulky items.

A sliding adapter and seal let the shower bar fit different wall thicknesses and pipe depths while reducing pipe damage during installation.

A non-circular dielectric insert isolates motor faults from a metal ball shaft while preserving torque transfer under jam, misalignment, and manual override.

A ball-valve venting path isolates the railcar control valve while releasing leakage pressure to prevent stuck brakes during testing.

A dielectric insert between drive and ball shafts blocks electrical fault transfer while preserving torque transmission during jammed operation.

A ball valve with integrated pump routing simplifies multi-loop vehicle cooling, cutting layout complexity, component count, and manufacturing cost.

A rotary valve, pump, and reservoir route coolant to batteries and electronics in a compact vehicle layout that cuts pipes, weight, and space.

Integrated valve chambers and passages cut pipeline connections while improving fluid flow and heat transfer in thermal management systems.

A spring-biased gear train suppresses backlash at the rotated part, keeping flow hole openings stable for accurate valve flow control.

A rotatable dip tube opens or blocks coolant flow in a degassing tank, improving gas removal efficiency in vehicle cooling systems.

An integrated valve body with rotatable core and internal chambers cuts pipeline connections, lowering flow resistance in thermal management.

A spring-loaded probe connection keeps guided wave radar signals continuous through a sealing valve, enabling tank level measurement and service access.

Sliding detection elements track valve rotation accurately, then disengage above a safe resistance threshold to prevent indicator damage.

A split stop-and-seal valve seat relieves load on the elastic seal while preserving mass-flow sealing in refrigeration and heating circuits.

A rotary slide valve with orthogonal flow planes and magnetic coupling cuts leaks, flow loss, and assembly effort in vehicle thermal modules.

A modular cartridge replaces worn ball, seat, and seals inside an angle cock, enabling on-site repair with less downtime and cost.

Two coaxial impellers and magnetic coupling let separate vehicle fluid circuits run independently while cutting hose-related leakage and heat loss.

A sealed contour wall magnetically couples fluid handling across housing sections, cutting leaks, short-circuit risk, and seal friction losses.

A unitary replacement cartridge restores angle cock function on site by replacing worn valve parts without changing the full body.

Arcuate valve channels and magnetic coupling cut pressure loss and leakage in EV thermal management while isolating electronics from fluid.

An electric assist, spring buffering, and pressure relief assembly make large pipeline valves easier to operate while reducing water hammer damage.

A raised contour on the valve body compresses the seal only at closure, improving tightness while reducing friction and actuator energy use.

A shaft-coupled indicator and selective engagement mechanism improve closed-position detection accuracy while protecting valve parts from overload.

An offset rotary linkage boosts closing leverage in a non-contact valve, cutting actuation force, friction, wear, and leakage at high pressure.

An annular thruster and toroidal tensioning element preload a lip seal to maintain contact despite tolerances, wear, and thermal expansion.

A wear-resistant inner core overmolded with a carbon steel shell protects valve flow paths from erosion and corrosion while lowering material cost.

A curved full-circumference seal layout cuts sliding friction during valve closure while preserving high fluid flow and durability.

PEEK thrust bearings, T-shaped seals, and a bypass seat structure cut kelly valve friction, stem scarring, and wave spring compression set.

A worm gear and motor adjust valve packing load on demand to maintain stem sealing and cut fugitive emissions as components age.

Cylindrical heaters and a nitrogen air curtain keep powder from depositing around the rotating ball and pipes in semiconductor exhaust valves.

A single fluorosilicone sealing cage with longitudinal ribs cuts rotary valve friction while maintaining sealing and simplifying assembly.

A laterally offset stem and triple-offset disc clear the flow path, raising Cv and cutting pressure drop while keeping low-torque sealing.

A lantern ring and spring constrain seal travel in a double-piston ball valve seat, preventing pressure-driven damage and sealing loss.

A fluorosilicone sealing element with linear-contact ribs cuts rotary valve friction, wear, and actuator force while maintaining coolant sealing.

A movable blocking member and integrated seal improve urostomy drainage control while reducing leaks and keeping the valve easy to use.

A rotatable asymmetric restrictor adjusts control-fluid flow area to damp valve motion, improving stability without needle-valve damage.

Fluid pressure drives the valve seat against the rotary valve body, enabling flow split and total flow control without leakage or extra valves.

A keyed shaft locks the valve plug through existing flow openings, avoiding collateral ports, extra seals, and added assembly complexity.

A reversible adaptor lets engineers remove and inspect a ball valve cartridge without disturbing pipe connections or shutting down the wider system.

A peripheral axial wall carries annular seals and elastic interlocks to simplify cartridge valve assembly while ensuring static and dynamic sealing.

A monolithic inflation hub integrates stopcock and pressure-relief valves to reduce fracture risk, simplify assembly, and prevent overinflation.

A limiting bracket and connecting seat offset fluid pressure on the output shaft, cutting transmission friction loss and extending valve life.

A continuous slotted seal lets a rotary vehicle fluid valve add switching states while keeping flow paths controlled and manufacturable.

An inner lid partitions the stem and ball chambers to limit heat transfer, simplify top-entry assembly, and keep cryogenic valve sealing reliable.

External indicia on a reversible manifold cover show upflow or downflow brining mode without valve disassembly, speeding service.

A segmented sink drain ball valve structure simplifies disassembly while sealing against leaks and preventing dirt buildup around the cap and ring.

A biased sealing-lip seat insert with a support ring blocks primary and secondary leakage paths in cryogenic ball valves.

A removable end cap lets welded inline valves be serviced without cutting conduit connections, reducing maintenance time and downtime.

By moving the angle-limiting feature from the valve body to the sealing assembly, machining becomes easier without losing sealing accuracy.

A dual-position fill valve speeds closed-loop filling while venting air and sealing hermetically to reduce air pockets and production time.

A planar multi-material sealing element replaces complex 3D valve seals, cutting molding complexity and cost while preserving sealing effectiveness.

A rotating ball valve replaces hinge closures in aircraft water ports to save operating space, reduce seal wear, and simplify assembly.

A built-in pressure-regulating valve in a quick disconnect fitting balances cooling-loop flow, cuts pressure variation, and reduces pump power.

A reconnectable gate-based fluid connector enables wet aseptic transfer under pressure while maintaining a sterile, leak-free seal.

A U-shaped resin seal backed by a metal spring helps a rotating three-way valve maintain sealing and reduce leakage near -85°C.

A flat strip-plate seal forms through-holes before bending into the housing, cutting friction while simplifying rotary flow-switch manufacturing.

A two-column port layout and through-hole sealing member simplify multi-path valve sealing while lowering manufacturing cost and difficulty.

An arc-shaped sealing member and balance sealing block improve multi-channel flow stability by keeping the valve core coaxial and leak-resistant.

A press-fit output shaft between the valve stem and potentiometer improves ball valve rotational position accuracy despite tolerance buildup.

An inclined annular seal rib cuts rotary valve torque and sliding resistance while preserving sealing performance and seal durability.

A torsion spring and latch let an emergency valve close with low trigger force, avoiding electrical actuators in gas-risk environments.

An auxiliary valve seat supports the regulation body to stop B-port pressure leakage and prevent blocking at intermediate positions.

A torsional spring and drive adapter return an actuated valve to a fully open or closed state after power loss, avoiding stuck intermediate positions.

Ramped teeth and slots hold preset valve flow positions under vibration and high loads while allowing intuitive adjustment without axial force.

A tapered V-groove ball and diffuser insert make flow change more linear with rotation while preserving higher valve flow rates.

Track plates and locking pins replace threads and springs to move sealing members with less wear, lower maintenance, and better contaminant resistance.

Sterile gas pressurization and valve control create the hydrostatic force needed for accurate package forming while limiting contamination.

A segmented valve rod and rotating member reduce stress concentration in shower water path switching and allow damaged parts to be replaced.

Oblique bellows in the valve seat adapt to pressure-driven surface displacement, maintaining even sealing contact and reducing leakage.

A perforated screen and annular valve-body cavities disperse fluid-flow sound waves to cut audible valve noise without a full redesign.

PEEK thrust bearings, T-shaped seals, and a bypass seat structure cut actuation torque, reduce stem scarring, and improve kelly valve life.

An integrated filter and rotating cartridge let flush tank filling taps use mains water for self-cleaning without disassembly.

Shifted polygonal shaft-hole corners prevent weld lines in molded valve beams, preserving rigidity, sealing, and smooth switching.

A rotating valve core switches communication among five ports to manage multiple thermal flow paths in a more compact assembly.

Rotatable sealing elements let a hydraulic connection be repeatedly separated under pressure without fluid loss, preserving low volume and accuracy.

A two-plane rotary valve body connects multiple fluid circuits in one unit, cutting installation space, effort, and valve count.

An internal sheet or sleeve heater targets the ball valve flow path to cut heat loss, avoid external damage, and prevent icing.

Fluid pressure deforms a sleeve and incompressible medium to boost valve sealing force, preventing leakage without adding high operating friction.

A side-access ball valve with an integrated check valve enables sprinkler inspection without full drainage, cutting manifold complexity and corrosion risk.

A circumferentially varying inner wall gap lets coolant debris escape during valve rotation, reducing torque increase and pressure loss.

A guided stem, lubrication port, and removable seat ring reduce wear, limit unwanted rotation, and simplify ball valve maintenance.

When valve closure blocks ultrasonic signals, upstream and downstream pressure sensing keeps fluid flow measurement and regulation working.

A telescoping supply assembly with O-ring seals adapts to wall thickness and pipe depth variation while protecting the water supply pipe.

Transverse grooves and a spring lock keep the endoscope stopcock open for sterilization while preventing plug loss and misassembly.

Ultrasonic level sensing and beacon-triggered valve control help waste oil tanks prevent theft while enabling authorized collection.

An inlet obstruction deflects cross-flow inside a mixing valve, protecting sensor readings and improving temperature adjustment in heating and cooling.

A recessed gear formed directly in the ball valve body cuts part count and backlash while preserving polishing, compact size, and precise rotation.

Pressure-driven seat retraction creates a temporary gap during opening, lowering ball valve torque and reducing seat-to-ball wear.

A hollow sintered cemented carbide valve element cuts inertia for rapid cycling while resisting abrasive wear and maintaining load capacity.

Hall sensors and valve-stop logic identify rotary valve position from an unknown start state, avoiding over-travel and springing.

Gain-scheduled calibration lets a compact high-pressure drilling choke hold backpressure accurately across changing flow rates.

Axially guided side surfaces and a V-shaped sealing lip simplify rotary slide valve assembly while improving cooling circuit tightness.

By separating the retainer into fixed and threaded sections, this compact ball valve case limits seal rotation, wear, and assembly damage.

A flat spring washer nested between a sealing frame and support element keeps coolant valve seals leak-free with stable contact pressure in tight space.

A plastically deformed lip replaces threaded end cap attachment, enabling automated ball valve assembly with consistent sealing and lower cost.

An offset stem and disc layout clears the valve flow path, raising flow coefficient and reducing pressure drop while easing seat maintenance.

A convex inner race keeps contact with a deflecting shaft, reducing misalignment stress and extending bearing life under high loads.

A freewheel-coupled second rotary slide valve lets one servomotor independently vary outlet flow areas for more flexible fluid distribution.

A protruding filter and clearance chamber increase filtration area, maintain fluid flow, and reduce occlusion in a rotatable fluid valve.

A cradle and movable support reduce static friction so a ball valve opens with less actuator torque while retaining failsafe closed operation.

Separate pump paths prevent incompatible fluid mixing while sensor data detects line degradation and improves small-volume compounding accuracy.

A rotating through-bore valve replaces heavy frac manifolds by switching one inlet across multiple wells while venting inactive lines.