Plug Valves TRIZ Cases

Relocatable seals in modular gland arrangements shift to fresh axial sealing surfaces as erosion occurs, preventing fluid end leakage.

Fluororesin-lined cap and body surfaces cut triboelectric charge, while metal ball and stem grounding preserve fluid purity and prevent sparks.

Integrated sealing elements pressed against valve opening edges let a rotary distributor handle dielectric-oil immersion cooling with simpler assembly.

A cylindrical rotary valve switches filtration, raw water supply, backwash, and standby modes while releasing pressure for easier cartridge replacement.

A tapered shaft support guides the valve disc projection during top entry, preventing wall contact, slide ring damage, and excess torque.

A bowed plug or seat compensates for pressure deflection to keep eccentric plug valves sealed while lowering friction and actuator cost.

Embedded metal members reinforce a plastic valve body to resist distortion at pipe connections while keeping processing easier and costs lower.

A motor-driven rotary hydraulic valve enables faster dropper seatpost height changes with less weight and complexity than slower actuation mechanisms.

Separate manifold channels keep primary and secondary ingredients isolated, improving aseptic compounding, small-volume accuracy, and setup flow.

A dual-seal, axially displaceable interface relieves deepwater pressure differential to cut frictional drag and stabilize torque control.

A replaceable trim cartridge stages pressure drop inside a segmented ball valve to curb cavitation, lower noise, and simplify field modification.

A recessed sealing reservoir lets coolant debris bypass the ball valve seal during rotation, reducing friction and preventing seizure.

A one-piece stopcock plug combines injection molding and embossing to achieve precise sealing webs while cutting assembly and machining cost.

A separate washing bulkhead redirects flush fluid into the blind volume of a three-way medical connector, improving cleaning while limiting turbulence.

A recessed seal extends beyond the bore to shift erosion from the fluid end body to replaceable parts, cutting leakage, downtime, and repair cost.

An intermediate sealing bush isolates the moving plug from the compressed seal to prevent wear and maintain tight port sealing over time.

A nested probe, cam lock, and rotating rinse head enable spill-free hazardous chemical transfer, secure container coupling, and cleaning.

Pressurized grease in sealing grooves reinforces a floating metal seal, resisting debris and chemical exposure in high-pressure valves.

Elastic sealing rings and a fixed inlet connection let a multi-outlet valve rotate smoothly without leakage or fluid pipe twisting.

Stamped metal valve seats simplify control valve assembly, improve weld positioning accuracy, and avoid torque variation from pre-tightening.

Sliding and locking members let dual ball valves separate only when closed, preventing leakage and handle misoperation.

Conditional handle lockout and polygonal limiting seats keep dual ball valves operable only when clamped, preventing leakage on separation.

A nested, pressure-balanced barrel valve integrates its actuator to divert airflow in tight spaces with much lower operating force.

A set rod and locking component hold a check valve open through the ball drip outlet, cutting labor, cost, and downtime during maintenance.

A rotating valve core with inner and outer cavities lets one compact valve switch multiple flow paths without using several separate valves.

A barbed one-piece seal simplifies directional valve assembly, cuts friction and wear, and maintains reliable coolant-flow sealing.

A drive plate and bearing elements mechanically load the annular seat, maintaining ball valve sealing when fluid pressure is insufficient.

Removable flanges and O-ring sleeve sealing avoid welding heat damage, cut leaks and discards, and preserve high-pressure valve integrity.

Injection-molded gap sealing lets a rotary slide valve rotate freely while maintaining tightness without wear-prone sealing parts.

A welded shoe with stepped, cupped geometry redirects errant flow in ball valves to cut noise, vibration, and pressure drop.

A sealed override port lets stuck magnetic valves take higher manual torque while protecting seals from leakage and degradation.

A 3D-printed valve body and rotor with magnetic encoder feedback cut servo valve size and weight while preserving precise flow control.

An annular conveyor path guides dust and solid residues away from gas meter valve seals, reducing fouling without adding major pressure loss.

Inrush current tracking detects fouling in a solenoid valve early, enabling corrective motor control without disturbing flow rate measurements.

Channelized trim controls fluid expansion inside a ball valve to cut noise and vibration while avoiding large-clearance attenuation designs.

A shared locking drive actuates multiple coolant valves sequentially, cutting actuator count, force demand, and holding power.

Two rotatable valve bodies and one control assembly combine butterfly-style flow regulation with ball-valve shut-off while simplifying actuation.

Pulse-driven micro-rotation reduces ball valve sticking and breakaway torque, keeping adjustment within electronic actuator limits.

A spiral reinforcing rib strengthens a rotating valve core, limiting twist deformation and reducing leakage in multi-path flow control.

A common motor drives two 3-way valve sections to cut assembly weight and complexity while enabling faster switching and replaceable filtration.

A reusable airway channel, one-way valve, and sensors replace disposable lung bags to keep CPR training hygienic while cutting waste and cost.

A nested inner and outer plug valve extends controllable flow from low rates to full capacity without sacrificing precision at minimum flow.

A layered valve body with separate flow channels replaces multiple valves, cutting assembly effort, cost, and installation space.

Integrally formed raised portions create slight flow gaps around a moving sieve support, preventing carbon buildup and wear in plastic melt filtration.

An annular indicator around the valve shaft lets the sensor detect multiple angular positions, improving valve state accuracy and reliability.

A split passage member with a holding sleeve and connector improves moldability, assembly visibility, and seal alignment in a rotary valve.

A single pressure sensor measures inlet and outlet pressure through two valve closed positions, cutting sensor count and installation effort.

A cylindrical reinforcement member stabilizes the rotary valve fit, reducing galling, wear, and long-term injection material leakage.

A separate casing and valve cartridge localize tight tolerances, cutting bypass valve manufacturing cost while preserving sealing and alignment.