| ReturnTo Theme-Group-Choice | Onelevelup |
| 3H051 | Valve housings | |
| F16K27/00 -27/12 | ||
| F16K27/00-27/12 | AA | AA00 TYPES OF VALVES |
AA01 | AA02 | AA03 | AA04 | AA05 | AA06 | AA07 | AA08 | AA09 | AA10 |
| . Lift valves | . . Butterfly valves | . Sliding valves | . Taps and cocks | . . Plugs with conical surfaces | . . Plugs with cylindrical surfaces | . . Plugs with spherical surfaces | . Multiple-way valves | . . Mixed valves | . . Spool valves | |||
| AA11 | ||||||||||||
| . Others | ||||||||||||
| BB | BB00 PURPOSE AND EFFECTS |
BB01 | BB02 | BB03 | BB04 | BB05 | BB06 | BB07 | BB08 | BB09 | BB10 | |
| . Ease of manufacture | . Ease of assembly | . Ease of repair and maintenance | . Improvement of compatibility | . Reduction of flow resistance | . Prevention of corrosion and abrasion | . Prevention of abnormal rises in pressure | . Improvement of resistance to high pressure | . Improvement of heat-resistance | . Others | |||
| CC | CC00 DETAILS OF VALVE HOUSINGS |
CC01 | CC02 | CC03 | CC04 | CC05 | CC06 | CC07 | CC08 | |||
| . Manifolds and subplates | . Linings and surface treatments | . Gas-exhaust means and liquid-discharge means | . Heat-insulation means | . Members for closing openings (e.g., dust caps) | . Housing covers | . . Gas-cock boxes | . . Protective pipes for valves buried underground | |||||
| CC11 | CC12 | CC13 | CC14 | CC15 | CC16 | CC17 | ||||||
| . Valve boxes | . Covers | . Driving-support units (e.g., yokes) | . Housing-mounting units | . Pipe-connection units | . Seals (i.e., between the structural elements of the valve housing) | . Others | ||||||
| DD | DD00 MATERIALS |
DD01 | DD02 | DD03 | DD04 | DD05 | DD06 | DD07 | DD08 | DD09 | ||
| . Metals | . . Steel | . . Metals other than steel | . . Sintered metals | . Nonmetal materials | . . Ceramics | . . Macromolecular materials and synthetic resins | . . . Rubber | . Others | ||||
| EE | EE00 MANUFACTURING METHODS |
EE01 | EE02 | EE03 | EE04 | EE05 | EE06 | EE07 | EE08 | |||
| . Cutting | . Forging and press-forming | . Casting | . Injection molding | . Bulge forming or extrusion molding | . Welding | . . Pressure welding | . Others | |||||
| FF | FF00 USES |
FF01 | FF02 | FF03 | FF04 | FF05 | FF06 | FF07 | FF08 | FF09 | FF10 | |
| . Use for gas | . Use for water | . Use for high-temperature fluids | . Use for low-temperature fluids | . Use for high-pressure fluids | . Powders | . Hydraulic- and pneumatic-pressure devices | . Air-conditioning devices | . Vacuum devices | . Nuclear devices | |||
| FF11 | FF12 | FF13 | FF14 | FF15 | ||||||||
| . Medical uses | . Use for the food industry | . Use for slurries | . Use for corrosive fluids | . Others |