VALQUA, LTD.

Soft Gasket

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VALQUA No. Product Name Description Application Detail
2010 Synthetic Rubber Sheet Gasket No.2000 gasket processed into a specified flat shape Used for low-pressure, such as cold water, hot water, sea water, and air 詳細 PDFリンク
4010 Fluoro Rubber Sheet Gasket No.4000 gasket processed into a specified flat shape Used for pipe flange, joint or cover of equipment and machinery, handling inorganic acid, fuel oil, aromatic solvent, etc.

Temperature from : -15 to +200℃
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5010 Silicone Rubber Sheet Gasket No.5000 gasket processed into a specified flat shape Used at wide temperature range.

Temperature from : -60 to +200℃
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6500 Compressed Non-Asbestos Sheet Non-asbestos fiber mixed with heat/chemical resisting rubber binder, then rolled and vulcanized Used as pipe flange and gasket for equipment in various industries.

Temperature range : -50 to +183℃
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6500AC Compressed Non-Asbestos Sheet Anticorrosion Type Version of No.6500 with anticorrosion treatment and antistick treatment. Used as gasket for stainless steel pipe flange and as gasket for equipment joint, cover, etc. Stainless steel corrosion inhibition is expected.

Temperature range : -50 to +183℃
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6502 BLACK SUPER High heat and steam resistant Non-asbestos joint sheet that inhibits hardening caused by heat deterioration, by blending highly heat resistant, special rubber binder. Made of heat resistant, artificial inorganic and carbon fibers as well as the minimum amount of organic fibers required. It has excellent sealing characteristics due to its smooth sheet surface and highly dense structure. Ideal for use as a joint surface gasket for pipe flanges, valve bonnets and covers for various industrial units that require heat resistance in petroleum refining, chemical and shipbuilding industries.

Temperature range : -50 to +214℃
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6503 Compressed Non-Asbestos Sheet Since black components are removed in the Compressed Fiber Sheet, these are suitable gaskets to be used for applications where inclusion of black foreign substances into the fluid should be avoided. Used as gasket for Tap water, industrial water, hot water, steam, drain air, as well as general gases.

Temperature range : -50 to +214℃
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6503AC Compressed Non-Asbestos Sheet Anticorrosion Type Version of No.6503 with anticorrosion treatment and antistick treatment. Used as gasket for stainless steel pipe flange and as gasket for equipment joint, cover, etc. Stainless steel corrosion inhibition is expected.

Temperature range : -50 to +214℃
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7010 VALFLON Sheet Gasket PTFE sheet, processed into a specified flat shape Used for pipe flange, various equipment, etc. for strong corrosive acid, halogen, solvent, oil, gas, food, medicine, etc. for which fluid contamination should be avoided.

Temperature limit:
-50 to +100℃
(depending on design.)
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7010-EX NEW VALFLON Gasket Gasket made of "NEW VALFLON" that provides improved creep resistance while maintaining PTFE's excellent characteristics of heat resistance, chemical resistance and adhesion resistance. Excellent heat cycle life ensures a longer gasket life. Suitable for pipe flanges and units used in food and medicine processing that should avoid contamination with highly corrosive acid, halogen, solvent, oil gas and fluid.

Temperature limit:
-50 to +150℃
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7020 VALQUALON Sheet PTFE, mixed with inorganic filler, then processed into sheet. Used as gasket for pipe flange, equipment, etc. which require chemical resistance or heat resistance, or which handle extremely low temperature, such as LNG, liquid nitrogen, liquid oxygen, ethylene. Not suitable for concentrated alkali.

Temperature limit:
-200 to +200℃
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7026 Black VALQUALON Sheet PTFE, mixed with carbon filler, then processed into sheet. Optimum especially for fluoric acid, hydrochloric acid, and concentrated alkali. Not suitable for oxidizing acid, such as fuming sulfuric acid and fuming nitric acid.

Temperature limit :
-200 to +200℃
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7GP61 VALFLON Soft Sheet PTFE, modified to soft and tough sheet Used as gasket for piping and equipment, handling food and high-purity chemicals 詳細 PDFリンク
7GP61S VALFLON Soft Sheet This sheet is made from modified PTFE, for a soft but strong texture. It complies with the Food Sanitation Act, and standards and criteria for food and food additives, etc. It is used as a gasket for pipes, equipment, etc. that handle food and high purity chemicals. 詳細 PDFリンク
7GP66 VALFLON Soft Sheet Gasket 7GP61, processed into a specified flat shape Used as gasket for piping and equipment, handling food and high-purity chemicals 詳細 PDFリンク
7GP66S VALFLON Soft Sheet Gasket This product is formed by processing 7GP61 into a specified flat shape. It complies with the Food Sanitation Act, and standards and criteria for food and food additives, etc. It is used as a gasket for pipes, equipment, etc. that handle food and high purity chemicals. 詳細 PDFリンク
7GS62A Cord Seal [Tape type] Free-size PTFE material, modified to soft and tough cord-type seal Used for parts where PTFE corrosion resistance is required, where the flange accuracy is low, or where fastening strength is insufficient 詳細 PDFリンク
7GS64N Cord Seal [Rope type] Cord Seal is a marsh mallow shaped free-size sealing material, which has been modified to be flexible and rich in toughness, while maintaining the PTFE's excellent chemicals and heat resistance.
Rope shaped products with a round cross section [Rope type] without adhesive.These comply with the Food Sanitation Law.
Used for parts where PTFE corrosion resistance is required, where the flange accuracy is low, or where fastening strength is insufficient 詳細 PDFリンク
7GS66A Cord Seal [Oval type] Free-size PTFE material, modified to soft and tough cord-type seal Used for parts where PTFE corrosion resistance is required, where the flange accuracy is low, or where fastening strength is insufficient 詳細 PDFリンク
GF300 BLACK HYPER Highly heat and chemical resistant Non-asbestos sheet mainly composed of graphite and PTFE that excels in thermal and chemical resistance. Composed only of highly heat resistant materials and no rubber materials contained, it allows retightening since hardening deterioration and degradation with age are prevented. Suitable for industrial units and pipe flanges that are subject to high temperature and used for water, seawater, hot water, steam, air, acids (excluding oxidized acid such as hot, concentrated nitric and sulfuric acids), alkalis, saline water solution, oil, alcohol, aliphatic solvent and its vapor, various gases and liquefied gases.

Temperature range : -200 to +300℃
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MF300 BRIGHTHYPER This gasket offers the same high temperature, long-term stability of GF300, but is white and offers improved chemical resistance, allowing it to be used in a wider variety of applications. This product can be used on a variety of lines that are averse to black colors, from utility to process applications, easing the burden of choosing gaskets for each type of fluid. Suitable for high temperature use with water, sea water, hot water, steam, air, acid, strong alkali, aqueous salt solution, oil, alcohol, aliphatic solvent and vapors, gases of all types, etc. 詳細 PDFリンク
N214 VALQUATEX Gasket Rubber coated glass fiber fabric processed into a specified flat shape Used for combustion gas or exhaust gas duct, or warped flange.

Temperature limit : No.N214 : 400℃ Since these gaskets do not have enough air-tightness, use them where some leakage is allowed.
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N314 VALQUATEX Heat Resisting Gasket Rubber coated ceramic fabric with wire processed into a specified flat shape Used for combustion gas or exhaust gas duct, or warped flange.

Temperature limit : No.N214 : 400℃ No.N314 : 800℃ Since these gaskets do not have enough air-tightness, use them where some leakage is allowed.
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N7030(H) VALFLON Envelope Gasket [Core: H type] This gasket uses a core with felt sheets attached to both sides of an expanded graphite sheet that incorporates a thin stainless steel sheet, and allowing it to be used in higher temperature. It is used as a gasket for pipe flanges, towers, tanks, and devices of all types for highly corrosive fluids such as acid or halogen, food products that are averse to contamination, drugs, etc. 詳細
N7030(N) VALFLON Envelope Gasket [Core: N type] This product features a flexible core material (such as a non-asbestos compressed fiber sheet) coated with PTFE (V-shaped cross section). It is used as a gasket for pipe flanges, towers, tanks, and devices of all types for highly corrosive fluids such as acid or halogen, food products that are averse to contamination, drugs, etc. 詳細
N7030(S) VALFLON Envelope Gasket [Core: S type] This high temperature/high pressure envelope gasket uses a core with felt sheets attached to both sides of a joint sheet to curb PTFE jacket flow. It is used as a gasket for pipe flanges, towers, tanks, and devices of all types for highly corrosive fluids such as acid or halogen, food products that are averse to contamination, drugs, etc. 詳細
N7031(H) VALFLON Envelope Gasket [Core: H type] This gasket uses a core with felt sheets attached to both sides of an expanded graphite sheet that incorporates a thin stainless steel sheet, and allowing it to be used in higher temperature. The No. N7031 series uses a PTFE outer coating that is fused in a single location via overlapping joints. It is used as a gasket for pipe flanges, towers, tanks, and devices of all types for highly corrosive fluids such as acid or halogen, food products that are averse to contamination, drugs, etc. 詳細
N7031(N) VALFLON Envelope Gasket [Core: N type] This product features a flexible core material (such as a non-asbestos compressed fiber sheet) coated with PTFE (U-shaped cross section). The No. N7031 series uses a PTFE outer coating that is fused in a single location via overlapping joints. It is used as a gasket for pipe flanges, towers, tanks, and devices of all types for highly corrosive fluids such as acid or halogen, food products that are averse to contamination, drugs, etc. 詳細
N7031(S) VALFLON Envelope Gasket [Core: S type] This high temperature/high pressure envelope gasket uses a core with felt sheets attached to both sides of a joint sheet to curb PTFE jacket flow. The No. N7031 series uses a PTFE outer coating that is fused in a single location via overlapping joints. It is used as a gasket for pipe flanges, towers, tanks, and devices of all types for highly corrosive fluids such as acid or halogen, food products that are averse to contamination, drugs, etc. 詳細
N7035(H) VALFLON Envelope Gasket [Core: H type] This gasket uses a core with felt sheets attached to both sides of an expanded graphite sheet that incorporates a thin stainless steel sheet, and allowing it to be used in higher temperature. It is effective in preventing fluid from pooling when the gasket width is narrow. It is used as a gasket for pipe flanges, towers, tanks, and devices of all types for highly corrosive fluids such as acid or halogen, food products that are averse to contamination, drugs, etc. 詳細
N7035(N) VALFLON Envelope Gasket [Core: N type] This product features a flexible core material (such as a non-asbestos compressed fiber sheet) coated with PTFE (sideways U-shaped cross section). It is effective in preventing fluid from pooling when the gasket width is narrow. It is used as a gasket for pipe flanges, towers, tanks, and devices of all types for highly corrosive fluids such as acid or halogen, food products that are averse to contamination, drugs, etc. 詳細
N7035(S) VALFLON Envelope Gasket [Core: S type] It features a core with felt sheets attached to both sides of a joint sheet, and is coated with PTFE in a sideways U-shaped cross section. It is effective in preventing fluid from pooling when the gasket width is narrow. It is used as a gasket for pipe flanges, towers, tanks, and devices of all types for highly corrosive fluids such as acid or halogen, food products that are averse to contamination, drugs, etc. 詳細
SF300 WHITEHYPER Like GF300, this product offers excellent heat-resisting properties, chemical resistance, handling, and flexibility. This white sheet gasket contains no black material, so unlike traditional products it maintains its white color and performance, and is suited for locations where black substances should not enter liquids. It also curbs concerns over electrical corrosion of flange surfaces for products that include graphite. Suitable for high temperature use with water, sea water, hot water, steam, air, acid, weak alkali, aqueous salt solution, oil, alcohol, aliphatic solvent and vapors, gases of all types, etc. 詳細 PDFリンク
UF300 UNIVERSAL HYPER This product possesses high-temperature reliability equal to that of other high-performance sheet gaskets (GF300, for example), offering both chemical resistance and high-temperature characteristics. This high-performance sheet gasket can be used for the widest variety of fluids and enables integration of gaskets on chemical lines, as different applications are not required depending on acid or alkali fluids. It effectively promotes gasket integration at plants with both alkali and acid lines. Suitable for high temperature use in industrial equipment, pipe flanges, etc. used with water, sea water, hot water, steam, air, oil, general solvents, weak acid/weak alkali, strong acid/strong alkali, and gases of all types. 詳細 PDFリンク
VF-30 VALQUAFOIL Gasket expanded graphite sheet, processed into specified flat shape Used as gasket for pipe flange handling penetrative liquid, such as thermal oil, extremely low temperature such as, LNG and liquid nitrogen, or corrosive liquid, and also for level gauge, valve bonnet, and other various equipment. VF-30 for low pressure, VF-35E for high pressure.

Temperature range : -200 to +400℃
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VF-35E VALQUAFOIL Gasket with thin metallic sheet Stainless steel sheet, with expanded graphite applied to both sides, processed into a specified flat shape Used as gasket for pipe flange handling penetrative liquid, such as thermal oil, extremely low temperature such as, LNG and liquid nitrogen, or corrosive liquid, and also for level gauge, valve bonnet, and other various equipment. VF-30 for low pressure, VF-35E for high pressure.

Temperature range : -200 to +400℃
詳細 PDFリンク

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