F-Term-List

F16K1/00-1/54

AA00
VALVE TYPES

AA01

AA02

. Lift valves

. . Butterfly valves

BA00
PURPOSE AND EFFECTS

BA01

BA02

BA03

. Improvements relating to valve function

. . Improvement of sealing during valve closing

. . Addition of special functions

BA11

BA12

BA13

BA14

. Improvements relating to fluid flow

. . Prevention of cavitation

. . Rectification

. . Prevention of water hammering

BA21

BA22

BA23

BA24

BA25

BA26

. Improvements related to valve structure

. . Improvement of resistance to abrasion

. . Improvement of resistance to corrosion

. . Improvement of resistance to heat

. . Size reduction, weight reduction, and simplification of valve structure

. . Simplification of manufacture and assembly

BA31

BA32

BA33

BA34

BA35

. Measures to protect against foreign matter (e.g., garbage and scale)

. Safety improvements

. Prevention of noise

. Prevention of freezing

. Others*

CA00
VALVE SHAPES AND VALVE STRUCTURE

CA01

CA02

CA03

CA04

. Valve shapes*

. . Valves with stepped sections

. . Valves with notches and grooves

. . Valves with holes and flow paths

CA11

CA12

CA13

CA15

CA16

CA17

CA18

CA19

. Valve structure*

. . Multiple valves

. . Primary and secondary valves

. . Valve materials*

. . . Ceramics

. . . Macromolecular materials and synthetic resins

. . . . Rubber*

. . . Metals*

CA22

CA23

CA24

CA25

CA26

. . Valves with special sealing members

. . . Sealing rings as sealing members

. . . . O-rings as sealing members

. . . . Fluid-pressure seals

. . . Sealing members with projections

CA32

CA33

CA34

CA35

CA37

CA38

CA39

. . . Materials of sealing members*

. . . . Macromolecular materials and synthetic resins*

. . . . . Rubber*

. . . . Metals*

. . Multi-layer seals

. . Valves with surface treatments

. . Valves with linings

CB00
VALVE-SEAT TYPES AND VALVE-SEAT STRUCTURE

CB01

CB02

CB03

. Valve-seat types

. . Valve seats with stepped sections

. . Valve seats with notches and grooves

CB11

CB12

CB13

CB14

CB16

CB17

CB18

CB19

CB20

. Valve-seat structure*

. . Movable valve seats

. . . Valve seats pressed by external fluid pressure

. . . Valve seats pressed by elastic bodies

. . Materials of valve seats*

. . . Ceramics

. . . Macromolecular materials and synthetic resins*

. . . . Rubber*

. . . Metals*

CB22

CB23

CB24

CB25

. . Valve seats with special sealing members

. . . Sealing rings as sealing members

. . . . O-rings as sealing members

. . . . Fluid-pressure sealing

CB32

CB33

CB34

CB35

CB37

CB38

CB39

. . . Materials of sealing members*

. . . . Macromolecular materials and synthetic resins*

. . . . . Rubber*

. . . . Metals*

. . Multi-layer seals

. . Valve seats with surface treatments

. . Valve seats with lings or coatings

CC00
HOUSING SHAPES AND HOUSING STRUCTURES

CC01

CC02

CC03

CC05

CC06

CC07

CC08

CC09

. Formation of accessory mechanisms on housings

. . Rectification mechanisms

. . Valve-guide units

. Housing materials*

. . Ceramics

. . Macromolecular materials and synthetic resins*

. . . Rubber*

. . Metals*

CC11

CC12

CC14

. Housings with surface treatments

. Housings with linings

. Others*

CD00
VALVE DETAILS NOT PREVIOUSLY MENTIONED

CD01

CD02

CD03

CD05

CD06

CD07

CD09

. Valves with characteristic valve rods (i.e., valve shafts)

. Valves with characteristic mounting of the valve rod in the valve

. Valves with characteristic valve rod bearings and guides

. Valves with mechanisms for the removal of foreign matter

. . Valves with cleaning means

. . Valves with strainers

. Others*

DA00
SPECIAL FUNCTIONS

DA01

DA02

DA03

DA04

DA05

DA06

. Adjustable flow rate

. . Flow rates that can be adjusted precisely

. . Adjustment to change flow-rate characteristics

. . Proportional flow rates

. . Adjustment of flow rates in stages

. Others*

EA00
USES

EA01

EA02

EA03

EA04

EA05

EA06

EA07

EA08

EA09

EA10

. Gas

. Water

. High-temperature fluids

. Low-temperature fluids

. Steam

. Powders

. Slurries

. Corrosive fluids

. Vacuum devices

. Nuclear-energy devices

EA11

EA12

EA13

EA14

EA15

EA16

. Air-conditioners

. Shaft furnaces

. Use for the food industry

. Incinerators

. Medical instruments

. Others*

3H052	LIFT VALVE
	F16K1/00 -1/54@Z