Metallic / Semi-Metallic Gasket
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| VALQUA No. | Product Name | Description | Application | Detail |
|---|---|---|---|---|
| 3640 | Metal Hollow O-ring (basic design) | O-ring made of metal pipe processed into ring, with metal plating or other costing if required | Used for aerospace semiconductor-related facilities, nuclear power-related facilities, electronic industry, laser equipment, joints, valves, injection molding machines, etc. |
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| 3641 | Metal Hollow Oring | No.3640 O-ring provided with vent hole inside (for inner pressure) or outside (for outer pressure) for balancing | Used for aerospace semiconductor-related facilities, nuclear power-related facilities, electronic industry, laser equipment, joints, valves, injection molding machines, etc. |
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| 3645 | Trypack Flat, Double-Covered Product | This metal C-ring is made of a coil spring as an elastic element, which is covered twice with a thin metallic sheet such as aluminum sheet. | It is used as a gasket for vacuums and ultrahigh vacuums. It is used with seals around used nuclear material storage cask lids, etc. |
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| 3645 | Trypack Single-Covered Product | This metal C-ring is made of a coil spring as an elastic element, which is covered with a thin metallic sheet such as aluminum sheet. | It is used as a gasket for vacuums and ultrahigh vacuums. It is used with seals around used nuclear material storage cask lids, etc. |
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| 3645 | Trypack Flat, Double-Covered Product (Split Inner Layer Type) | This metal C-ring with a split inner layer is made of a coil spring as an elastic element, which is covered twice with a thin metallic sheet such as aluminum sheet. | It is used as a gasket for vacuums and ultrahigh vacuums. It is used with seals around used nuclear material storage cask lids, etc. |
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| 3645LS | Trypack Flat, Double-Covered Product, Double Layered Product | This gasket with improved conformity to the sealing surface takes the traditional Trypack design and adds V-shaped grooves to the upper and lower sealing surfaces to achieve a specified airtightness, even under a low tightening load. | It is used as a gasket for vacuums and ultrahigh vacuums. It is used with seals around used nuclear material storage cask lids, etc. |
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| 540 Series | Serrated Gasket | This gasket is made of metal sheet grooved concentrically with a saw-tooth cross section, and is processed into a specified flat shape. | It is used as a gasket for pressurized containers, towers, tanks, valve bonnets, pipe flanges, etc. |
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| 550-ZA | Ring Joint Gasket (API-RX) | This gasket is used for oil drilling and other applications that requires pressure resistance, thanks to its octagonal shape. | It is used as a gasket in high pressure joints, such as in oil drilling equipment. |
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| 550-ZB | Improved Bridgeman Gasket (Wedge) | This unique self-seal type gasket applies Bridgeman’s “Principle of Unsupported Area” to use the pressure applied to the edge face of the floating head to increase tension force. | It is often used as a gasket for high temperature/high pressure valve bonnets (9.8 MPa or higher), heat exchangers, autoclave cover packing, etc. |
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| 550-ZD | Delta Ring (Triangle) | This self-seal type gasket has a triangular cross section, and is used for pressurized container covers and valve bonnets up to 343 MPa. | It is used as a cover gasket for high temperature/high pressure autoclaves and heat exchangers, or as a gasket for valve bonnets. |
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| 550-ZE | Diamond Shaped Ring | This comparatively small metal ring has a diamond shaped cross section, and is often used in locations such as nipples that are tightened with screwing force. | It is used as a gasket for high temperature/high pressure pressure gauge installations, nipple type joints, etc. |
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| 550-ZL | Lens Ring (Lens) | This gasket has a cross section similar to a convex lens. It is self-sealing as it is wedged between flanges formed into a cone shape with a 20° angle and sealed with line contact. | It is used as a gasket for high temperature/high pressure ammonia methanol synthesis line pipe flanges, pressurized containers, 294 MPa high pressure method polyethylene polymerization lines, etc. |
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| 550-ZO | Ring Joint Gasket (Oval) | This metallic ring is formed by processing the cross section of a metallic material into an oval shape. Its dimensions and materials are based on JPI-7S-23 or ASMEB1620. | It is often used as a gasket for pipe flanges, pressurized containers, towers, tanks, valve bonnets, etc., that handle high temperature/high pressure steam, gas, oil, solvent, etc., in oil refining/chemicals, electricity, ships, etc. |
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| 550-ZP | Ring Joint Gasket (API-BX) | This gasket is used for oil drilling and other applications that requires pressure resistance, thanks to its octagonal shape. | It is used as a gasket in high pressure joints, such as in oil drilling equipment. |
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| 550-ZR | Circle Shaped Metal Gasket (Circle) | This gasket has a round-shaped cross section, and is used for high pressure joints with comparatively small dimensions. | It is used as a gasket for valve bonnets, compressors, vacuum pumps, reactors, high pressure unions, nipples, etc. |
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| 550-ZS | Ring Joint Gasket (Octagonal) | This metallic ring is formed by processing the cross section of a metallic material into an octagonal shape. Its dimensions and materials are based on JPI-7S-23 or ASMEB1620. | It is often used as a gasket for pipe flanges, pressurized containers, towers, tanks, valve bonnets, etc., that handle high temperature/high pressure steam, gas, oil, solvent, etc., in oil refining/chemicals, electricity, ships, etc. |
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| 550-ZW | Double Cone Shaped Gasket (Double Cone) | This self-sealing gasket has a double cone cross section. It is often used by wedging an aluminum board or graphite tape between it and extremely soft iron, then sealing. In addition to reducing the amount of precision work, this causes no damage to the seal surface. | It is used as a gasket for high temperature/high pressure tank heat exchanger covers. |
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| 560 Series | Metal Flat Gasket | This gasket is made of various metal sheets and is processed into a specified flat shape. | It is used in heat exchangers, autoclaves, valve bonnets, pipe flanges, etc. |
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| 6540H Series | VF Serrated Gasket | This product is created by machining a concentric groove with a special shaped saw-tooth cross section into a metal plate, then processing it into a specified flat shape. VALQUAFOIL sheet is attached to both the upper and lower surfaces for improved sealability. | It is used as a gasket for heat exchangers, pressurized containers, towers, tanks, pipe flanges, etc. |
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| 6540HP | Compressed Fiber Sheet Substitute Serrated Metal Gasket with VALQUAFOIL Sheet Bonded | The dimensions of this 6540H series piping product make it perfect as an alternative for joint sheets. JIS 10K Max 600A JPI class 150/300 Max 24B |
It is used as a gasket for heat exchangers, pressurized containers, towers, tanks, pipe flanges, etc. (6540HP is a piping product.) |
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| 6560 Series | Metal Flat Gasket with VALQUAFOIL Attached | This flat gasket is made from a single piece of metal processed into a specified dimension and shape. Expanded graphite tape is attached to the surface to improve sealability. | It is used in high temperature/high pressure steam and process line towers, tanks, heat exchangers, autoclaves, valve bonnets, etc. It can also be used in any raised face, grooved, or male-female joints. |
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| 6590 | BLACKTIGHT (Basic Design) | － | It is used as a flange gasket for pipes, valve bonnets, pressurized containers, etc. for high temperature/high pressure steam, oil, petroleum gas, solvents, heating medium oil, etc. |
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| 6590VC | BLACKTIGHT for Cryogenic Application (Basic Design) | This gasket for cryogenic applications has a structure that offers even better flexibility than the 6590 series, for excellent sealability at even low surface pressures. | It is used as a flange gasket for pipes, valve bonnets, pressurized containers, etc. for high temperature/high pressure steam, oil, petroleum gas, solvents, heating medium oil, etc. |
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| 6591 | BLACKTIGHT (with Outer Ring) | － | It is used as a flange gasket for pipes, valve bonnets, pressurized containers, etc. for high temperature/high pressure steam, oil, petroleum gas, solvents, heating medium oil, etc. |
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| 6591VC | BLACKTIGHT for Cryogenic Application (with Outer Ring) | This gasket for cryogenic applications (with outer ring) has a structure that offers even better flexibility than the 6590 series, for excellent sealability at even low surface pressures. | It is used as a flange gasket for pipes, valve bonnets, pressurized containers, etc. for high temperature/high pressure steam, oil, petroleum gas, solvents, heating medium oil, etc. |
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| 6592 | BLACKTIGHT (with Inner Ring) | － | It is used as a flange gasket for pipes, valve bonnets, pressurized containers, etc. for high temperature/high pressure steam, oil, petroleum gas, solvents, heating medium oil, etc. |
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| 6592VC | BLACKTIGHT for Cryogenic Application (with Inner Ring) | This gasket for cryogenic applications (with inner ring) has a structure that offers even better flexibility than the 6590 series, for excellent sealability at even low surface pressures. | It is used as a flange gasket for pipes, valve bonnets, pressurized containers, etc. for high temperature/high pressure steam, oil, petroleum gas, solvents, heating medium oil, etc. |
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| 6596 | BLACKTIGHT (with Inner/Outer Ring) | － | It is used as a flange gasket for pipes, valve bonnets, pressurized containers, etc. for high temperature/high pressure steam, oil, petroleum gas, solvents, heating medium oil, etc. |
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| 6596VC | BLACKTIGHT for Cryogenic Application (with Inner/Outer Ring) | This gasket for cryogenic applications (with inner/outer ring) has a structure that offers even better flexibility than the 6590 series, for excellent sealability at even low surface pressures. | It is used as a flange gasket for pipes, valve bonnets, pressurized containers, etc. for high temperature/high pressure steam, oil, petroleum gas, solvents, heating medium oil, etc. |
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| 7590 | WHITETIGHT (Basic Design) | － | It is used as a flange gasket for pipes, valve bonnets, pressurized containers, etc. for high temperature/high pressure steam, oil, petroleum gas, solvents, heating medium oil, etc. |
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| 7591 | WHITETIGHT (with Outer Ring) | － | It is used as a flange gasket for pipes, valve bonnets, pressurized containers, etc. for high temperature/high pressure steam, oil, petroleum gas, solvents, heating medium oil, etc. |
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| 7592 | WHITETIGHT (with Inner Ring) | － | It is used as a flange gasket for pipes, valve bonnets, pressurized containers, etc. for high temperature/high pressure steam, oil, petroleum gas, solvents, heating medium oil, etc. |
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| 7596 | WHITETIGHT (with Inner/Outer Ring) | － | It is used as a flange gasket for pipes, valve bonnets, pressurized containers, etc. for high temperature/high pressure steam, oil, petroleum gas, solvents, heating medium oil, etc. |
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| 8590 | CLEANTIGHT (Basic Design) | － | It is used as a flange gasket for pipes, valve bonnets, pressurized containers, etc. for high temperature/high pressure steam, oil, petroleum gas, solvents, heating medium oil, etc. |
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| 8590TN | NONASUPER | This product is formed by winding metal strips around the periphery of a basic design non-asbestos spiral wound gasket. | It is used as a non-asbestos gasket to replace asbestos joint sheets. Temperature range: -200 to 450°C |
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| 8591 | CLEANTIGHT (with Outer Ring) | － | It is used as a flange gasket for pipes, valve bonnets, pressurized containers, etc. for high temperature/high pressure steam, oil, petroleum gas, solvents, heating medium oil, etc. |
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| 8592 | CLEANTIGHT (with Inner Ring) | － | It is used as a flange gasket for pipes, valve bonnets, pressurized containers, etc. for high temperature/high pressure steam, oil, petroleum gas, solvents, heating medium oil, etc. |
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| 8596 | CLEANTIGHT (with Inner/Outer Ring) | － | It is used as a flange gasket for pipes, valve bonnets, pressurized containers, etc. for high temperature/high pressure steam, oil, petroleum gas, solvents, heating medium oil, etc. |
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| M590 | Spiral Wound Gaskets Made of Mica Filler (Basic Design) | This spiral wound gasket uses a clothless mica filler created using a special manufacturing process. | It is used as a flange gasket for pipes, valve bonnets, pressurized containers, etc. for high temperature/high pressure steam, oil, petroleum gas, solvents, heating medium oil, etc. |
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| M590L | Spiral Wound Gaskets Made of Lined Mica Filler (Basic Design) | This spiral wound gasket features an M590 spiral wound core wrapped in VALQUAFOIL tape. | It is used as a flange gasket for pipes, valve bonnets, pressurized containers, etc. for high temperature/high pressure steam, oil, petroleum gas, solvents, heating medium oil, etc. |
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| M591 | Spiral Wound Gaskets Made of Mica Filler (with Outer Ring) | This type adds an outer ring to No. M590. | It is used as a flange gasket for pipes, valve bonnets, pressurized containers, etc. for high temperature/high pressure steam, oil, petroleum gas, solvents, heating medium oil, etc. |
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| M591L | Spiral Wound Gaskets Made of Lined Mica Filler (with Outer Ring) | This type adds an outer ring to No. M590L. | It is used as a flange gasket for pipes, valve bonnets, pressurized containers, etc. for high temperature/high pressure steam, oil, petroleum gas, solvents, heating medium oil, etc. |
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| M592 | Spiral Wound Gaskets Made of Mica Filler (with Inner Ring) | This type adds an inner ring to No. M590. | It is used as a flange gasket for pipes, valve bonnets, pressurized containers, etc. for high temperature/high pressure steam, oil, petroleum gas, solvents, heating medium oil, etc. |
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| M592L | Spiral Wound Gaskets Made of Lined Mica Filler (with Inner Ring) | This type adds an inner ring to No. M590L. | It is used as a flange gasket for pipes, valve bonnets, pressurized containers, etc. for high temperature/high pressure steam, oil, petroleum gas, solvents, heating medium oil, etc. |
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| M596 | Spiral Wound Gaskets Made of Mica Filler (with Inner/Outer Ring) | This type adds an inner/outer ring to No. M590. | It is used as a flange gasket for pipes, valve bonnets, pressurized containers, etc. for high temperature/high pressure steam, oil, petroleum gas, solvents, heating medium oil, etc. |
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| M596L | Spiral Wound Gaskets Made of Lined Mica Filler (with Inner/Outer Ring) | This type adds an inner/outer ring to No. M590L. | It is used as a flange gasket for pipes, valve bonnets, pressurized containers, etc. for high temperature/high pressure steam, oil, petroleum gas, solvents, heating medium oil, etc. |
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| N510 | Non-Asbestos Metal Jacketed Gasket (Corrugated, All-covered) | － | It is used as a gasket for heat exchangers, valve bonnets, pressurized containers, towers, tanks, and pipe flanges. |
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| N520 | Non-Asbestos Metal Jacketed Gasket (Flat, All-covered) | － | It is used as a gasket for heat exchangers, valve bonnets, pressurized containers, towers, tanks, and pipe flanges. |
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| N520C | Non-Asbestos Metal Jacketed Gasket (Grommet Type) | Formed by covering a cut surface on the inner diameter side of a sheet gasket made of a non-asbestos joint sheet or the like with a thin metallic sheet (grommet-finished), this product contributes to permeation leakage prevention and erosion prevention. | It is used as a gasket for heat exchangers, valve bonnets, pressurized containers, towers, tanks, and pipe flanges (permeation leakage prevention and erosion prevention). |
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| N520F | Non-Asbestos Metal Jacketed Gasket (French Type) | No. N520-F is a flat gasket made of a non-asbestos board, non-asbestos joint sheet, or a combination of both, where the outer side of the core is covered with a thin metallic sheet with a sideways U-shaped cross section. | It is used as a gasket for internal-combustion engine and compressor cylinder head covers, exhaust pipes, polymerization tanks, sight glass, and valve bonnets. |
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| N530 | Non-Asbestos Metal Jacketed Gasket (Flat, Half-covered) | － | It is used as a gasket for boiler manholes/hand holes, steam traps, and sight glass. |
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| N570 | Non-Asbestos Metal Jacketed Gasket (Circle, All-covered) | － | It is used as a gasket for boiler manholes, steam traps, and sight glass. |
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| N580 | Non-Asbestos Metal Jacketed Gasket (Flat, Double-covered) | － | It is used as a gasket for heat exchangers, pressurized containers, towers, tanks, and pipe flanges. |
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| N6510 | Non-Asbestos VF Metal Jacketed Gasket | － | It is used as a gasket for heat exchangers, valve bonnets, pressurized containers, towers, tanks, and pipe flanges. |
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| N6520 | Non-Asbestos VF Metal Jacketed Gasket | － | It is used as a gasket for heat exchangers, valve bonnets, pressurized containers, towers, tanks, and pipe flanges. |
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| N6580 | Non-Asbestos VF Metal Jacketed Gasket | － | It is used as a gasket for heat exchangers, pressurized containers, towers, tanks, and pipe flanges. |
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