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Piston Seals

(Total 52 Products)

  • Nitrile O Ring C2 Gasket Ring Hydraulic Seals

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    Brand:KVK Seals

    Model No:C2

    Transportation:Ocean,Land,Air,Express

    Packaging:Carton

    Supply Ability:1.3 Million Pieces/Month

    Place of Origin:China

    Productivity:15.6 Million Pieces/Year

    Type C2 piston seals meet the needs of hydraulic and pneumatic equipment manufacturers with the smallest possible groove seals, and despite the small cross-section and height of this Sealing Ring, the sealing performance is excellent. Extremely low...

  • High Quality Piston Seals Piston Seal FKM

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    Brand:KVK Seals

    Model No:C2

    Transportation:Ocean,Land,Air,Express

    Packaging:Carton

    Supply Ability:1.3 Million Pieces/Month

    Place of Origin:China

    Productivity:15.6 Million Pieces/Year

    Type C2 piston seals meet the needs of hydraulic and pneumatic equipment manufacturers with the smallest possible groove seals, and despite the small cross-section and height of this Sealing Ring, the sealing performance is excellent. Extremely low...

  • POM Seals KVK OK Hydraulic Pump Oil Seal

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    Brand:KVK Seals

    Model No:OK

    Transportation:Ocean,Land,Air,Express

    Packaging:Carton

    Supply Ability:1.3 Million Pieces/Month

    Place of Origin:China

    Productivity:15.6 Million Pieces/Year

    Type OK piston seals are mainly used in heavy hydraulic equipment, especially double-acting pistons. These seals are suitable for working pressures up to 800 bar and in some cases even higher. OK type Ring Seals are small in shape and resistant to...

  • Rubber Seal Ring CQ Rubber O Rings

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    Brand:KVK Seals

    Model No:CQ

    Transportation:Ocean,Land,Air,Express

    Packaging:Carton

    Supply Ability:1.3 Million Pieces/Month

    Place of Origin:China

    Productivity:15.6 Million Pieces/Year

    CQ is a double acting piston seal, which is applied to medium load and heavy load hydraulic occasions. Its unique design has a star ring on the PTFE slip ring to prevent internal leakage. PTFE slip ring is a stable rectangle with two O-rings. CQ is...

  • SPG Piston Seal is Made of PTFE

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    Brand:KVK Seals

    Model No:SPG

    Transportation:Ocean,Land,Air,Express

    Packaging:Carton

    Supply Ability:1.3 Million Pieces/Month

    Place of Origin:China

    Productivity:15.6 Million Pieces/Year

    SPG piston seal is composed of PTFE piston seal ring and rectangular ring, which is used for two-way sealing of hydraulic cylinder piston. Due to the use of specially modified PTFE materials, it can ensure excellent low friction, wear resistance,...

  • Piston Seal PG Wear Resistant High Temperature Resistant

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    Brand:KVK Seals

    Model No:PG

    Transportation:Ocean,Land,Air,Express

    Packaging:Carton

    Supply Ability:1.3 Million Pieces/Month

    Place of Origin:China

    Productivity:15.6 Million Pieces/Year

    PG type piston seal is composed of PTFE piston seal ring and O-ring, which is used for bidirectional seal of piston of hydraulic cylinder. Due to the use of specially modified PTFE material, it can ensure excellent low friction, wear resistance,...

  • ODU Piston Seals For Hydraulic Cylinders

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    Brand:KVK Seals

    Model No:ODU

    Transportation:Ocean,Land,Air,Express

    Packaging:Carton

    Supply Ability:1.3 Million Pieces/Month

    Place of Origin:China

    Productivity:15.6 Million Pieces/Year

    Polyurethane Seals ODU type is a special piston seal suitable for the Chinese machinery and equipment market. The groove design can adopt the Chinese standard JB/ZQ4264. Hydraulic Oil Seal ODU Applications: Working pressure: ≤32MPa (PU) Working...

  • Piston Seals For Hydraulic Cylinders KVK ODU

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    Brand:KVK Seals

    Model No:ODU

    Transportation:Ocean,Land,Air,Express

    Packaging:Carton

    Supply Ability:1.3 Million Pieces/Month

    Place of Origin:China

    Productivity:15.6 Million Pieces/Year

    Polyurethane Seals ODU type is a special piston seal suitable for the Chinese machinery and equipment market. The groove design can adopt the Chinese standard JB/ZQ4264. Hydraulic Oil Seal ODU Applications: Working pressure: ≤32MPa (PU) Working...

  • Hydraulic Cylinder O Rings ODU Piston Seal NBR

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    Brand:KVK Seals

    Model No:ODU

    Transportation:Ocean,Land,Air,Express

    Packaging:Carton

    Supply Ability:1.3 Million Pieces/Month

    Place of Origin:China

    Productivity:15.6 Million Pieces/Year

    O Rings Seals ODU type is a special piston seal suitable for the Chinese machinery and equipment market, and the groove design can adopt the Chinese standard JB/ZQ4264. Nitrile O Ring ODU application range: Working pressure: ≤32MPa (PU) Working...

  • FKM Material Seals ODU High Quality Piston Seal

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    Brand:KVK Seals

    Model No:ODU

    Transportation:Ocean,Land,Air,Express

    Packaging:Carton

    Supply Ability:1.3 Million Pieces/Month

    Place of Origin:China

    Productivity:15.6 Million Pieces/Year

    O Rings Seals ODU type is a special piston seal suitable for the Chinese machinery and equipment market, and the groove design can adopt the Chinese standard JB/ZQ4264. Nitrile O Ring ODU application range: Working pressure: ≤32MPa (PU) Working...

  • Hydraulic Piston Rings KVK UHP Industrial Seals

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    Brand:KVK Seals

    Model No:UHP

    Transportation:Ocean,Land,Air,Express

    Packaging:Carton

    Supply Ability:1.3 Million Pieces/Month

    Place of Origin:China

    Productivity:15.6 Million Pieces/Year

    Type UHP is a U-Ring with a larger cross-section for quick-compression grooved U Cup Piston Seals. Application range: Working pressure: ≤31.5MPa Working temperature: -20℃~+80℃ Reciprocating speed: ≤1m/s Media: General purpose petroleum based...

  • QYD Piston Seal FKM Hydraulic Cylinder Seals

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    Brand:KVK Seals

    Model No:QYD

    Transportation:Ocean,Land,Air,Express

    Packaging:Carton

    Supply Ability:1.3 Million Pieces/Month

    Place of Origin:China

    Productivity:15.6 Million Pieces/Year

    FKM O Rings QYD type is a special seal for cylinder and piston that conforms to Chinese standards. The groove design can adopt Chinese standard JB/T6656. O Ring QYD application range: Working pressure: ≤1.6MPa Working temperature: -20℃~+80℃...

  • Rotary Seals OEP High-Quality Seals Made PEFT

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    Brand:KVK Seals

    Model No:OEP

    Transportation:Ocean,Land,Air,Express

    Packaging:Carton

    Supply Ability:1.3 Million Pieces/Month

    Place of Origin:China

    Productivity:15.6 Million Pieces/Year

    OEP type bore rotary seals consist of wear-resistant, low-friction rings and O-rings, and are suitable for applications where pressure alternates from one side of the seal to the other. Application range: Working pressure: ≤30MPa Working...

  • Efficient Dustproof Seals to Improve Production Efficiency

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    Brand:KVK Seals

    Model No:OER

    Transportation:Ocean,Land,Air,Express

    Packaging:Carton

    Supply Ability:1.3 Million Pieces/Month

    Place of Origin:China

    Productivity:15.6 Million Pieces/Year

    OER type shaft rotary seal is composed of wear-resistant low friction ring and O-ring, which is suitable for the occasion where the pressure alternates from one side of the seal to the other. Such as rotating track spindle, rotary joint and machine...

  • Mechanical Seal Ring PTFE VAJ/KA3J

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    Brand:KVK Seals

    Model No:VAJ/KA3J

    Transportation:Ocean,Land,Air,Express

    Packaging:Carton

    Supply Ability:1.3 Million Pieces/Month

    Place of Origin:China

    Productivity:15.6 Million Pieces/Year

    Sealing of mixer, blower, food machinery, etc. Lip material is made of chemical resistant (polytetrafluoroethylene), VAJ/KA3J, and metal framework is made of SUS stainless steel, which is suitable for sealing with powder and liquid with strong...

  • Rotary Seal Ring VAJ/KA3J Mechanical Seal

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    Brand:KVK Seals

    Model No:VAJ/KA3J

    Transportation:Ocean,Land,Air,Express

    Packaging:Carton

    Supply Ability:1.3 Million Pieces/Month

    Place of Origin:China

    Productivity:15.6 Million Pieces/Year

    Sealing of mixer, blower, food machinery, etc. Lip material is made of chemical resistant (polytetrafluoroethylene), VAJ/KA3J, and metal framework is made of SUS stainless steel, which is suitable for sealing with powder and liquid with strong...

  • Direct Salde Low Price GSD Piston Seal

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    Brand:KVK Seals

    Model No:GSD

    Transportation:Ocean,Land,Air,Express

    Packaging:Carton

    Supply Ability:1.3 Million Pieces/Month

    Place of Origin:China

    Productivity:15.6 Million Pieces/Year

    The one-way sealing ring for piston is composed of an anti-wear PTFE ring filled with PTFE and an O-ring. The O-ring provides elastic force and can compensate the wear of PTFE wear ring. It only has one-way sealing effect. It is applicable to the...

  • CSP Hydraulic Cylinder Seals And O Rings

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    Brand:KVK Seals

    Model No:CSP

    Transportation:Ocean,Land,Air,Express

    Packaging:Carton

    Supply Ability:1.3 Million Pieces/Month

    Place of Origin:China

    Productivity:15.6 Million Pieces/Year

    Sealing Ring Type CSP is a small double-acting piston seal with better friction characteristics and unique section design than O-rings to avoid torsional damage. It is used in standard cylinders, small diameter cylinders and thin cylinders. PPD...

  • High Quality FKM O Rings Pneumatic Hydraulic Seals

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    Brand:KVK Seals

    Model No:E4

    Transportation:Ocean,Land,Air,Express

    Packaging:Carton

    Supply Ability:1.3 Million Pieces/Month

    Place of Origin:China

    Productivity:15.6 Million Pieces/Year

    Type E4 Piston Seals are a type of Lip Seals specifically designed for use in pneumatic equipment. Easy to install, good sealing performance, suitable for cylinders with buffering effect. E4 type is in line with ISO3320 and CETOPRP52P, RP43P, RP53P...

  • High Quality Piston Seal FKM Material ZT Seals

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    Brand:KVK Seals

    Model No:ZT

    Transportation:Ocean,Land,Air,Express

    Packaging:Carton

    Supply Ability:1.3 Million Pieces/Month

    Place of Origin:China

    Productivity:15.6 Million Pieces/Year

    ZT Style Piston Seal NBR Double-Acting Cylinder Seals feature a narrower groove design for more stable operation than O Rings and to avoid torsional damage. Application range: Working pressure: ≤1.0MPa Working temperature: -20℃~+80℃ Surface speed:...

  • Piston Seals Hydraulic Cylinders Seals Lip Seals

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    Brand:KVK Seals

    Model No:Z8

    Transportation:Ocean,Land,Air,Express

    Packaging:Carton

    Supply Ability:1.3 Million Pieces/Month

    Place of Origin:China

    Productivity:15.6 Million Pieces/Year

    Type Z8 Piston Sealing is a lip seal for cylinder pistons and valves. It requires small groove size, good sealing performance, and low dynamic and static friction. Easy to install and suitable for cushioning cylinders. Z8 type complies with IS03320...

  • O Ring Seal PPZ Piston Seal NBR

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    Brand:KVK Seals

    Model No:PPZ

    Transportation:Ocean,Land,Air,Express

    Packaging:Carton

    Supply Ability:1.3 Million Pieces/Month

    Place of Origin:China

    Productivity:15.6 Million Pieces/Year

    PPZ type cylinder seals are used for cylinders and valves. This double-acting seal has low friction and has two miniature seals with grease accumulated in the middle. PPZ Piston Seal NBR application range: Working pressure: ≤1.2MPa Working...

  • Piston Sealing E4 NBR O Rings Hydraulic Seals

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    Brand:KVK Seals

    Model No:E4

    Transportation:Ocean,Land,Air,Express

    Packaging:Carton

    Supply Ability:1.3 Million Pieces/Month

    Place of Origin:China

    Productivity:15.6 Million Pieces/Year

    Type E4 Piston Seals are a type of Lip Seals specifically designed for use in pneumatic equipment. Easy to install, good sealing performance, suitable for cylinders with buffering effect. E4 type is in line with ISO3320 and CETOPRP52P, RP43P, RP53P...

  • High Pressure Hydraulic Seals Z8 Industrial Seals

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    Brand:KVK Seals

    Model No:Z8

    Transportation:Ocean,Land,Air,Express

    Packaging:Carton

    Supply Ability:1.3 Million Pieces/Month

    Place of Origin:China

    Productivity:15.6 Million Pieces/Year

    Type Z8 cylinder seals are a type of Lip Seals for cylinder pistons and valves. It requires small groove size, good sealing performance, and low dynamic and static friction. Easy to install and suitable for cushioning cylinders. Z8 type complies...

Piston Seal is a kind of Seal used to seal between piston and cylinder, usually used in hydraulic system and Pressure system. The piston seal can prevent liquid and gas leakage, and also prevent external impurities from entering the system, thus maintaining the normal operation of the system.


Piston Seals can be classified based on their structure and material. According to different structures, piston seals can be divided into unidirectional seals and bidirectional seals. A unidirectional seal can only prevent the leakage of liquid or gas from one direction, while a bidirectional seal can prevent the leakage of liquid or gas from both directions. According to different materials, piston seals can be divided into rubber seals, polyurethane seals, polytetrafluoroethylene seals, etc.


In hydraulic systems, piston seals are typically used to seal hydraulic cylinders and pumps. The piston seals in hydraulic systems need to have characteristics such as high temperature resistance, corrosion resistance, and wear resistance to ensure long-term stable operation of the system. In Pressure system, piston seals are usually used to seal cylinders and pumps. The piston seals in the Pressure system need to be resistant to high pressure, low temperature, wear and other characteristics to ensure the normal operation of the system.


In addition to hydraulic system and Pressure system, piston seals can also be used in other industrial fields, such as automobile, aviation, machinery, etc. In the automotive industry, piston seals are commonly used in engines to ensure normal engine operation. In the aviation industry, piston seals are commonly used in the hydraulic system of aircraft to ensure normal takeoff, landing, and flight. In the field of machinery, piston seals are commonly used in hydraulic and press machines to ensure the normal operation of the machine.


In short, piston seals are a very important type of seal that is widely used in various industrial fields. With the continuous development of industrial technology, the materials, structure, and performance of piston seals are also constantly improving and upgrading to meet the needs of different fields.

FAQ

Important things you should know

Who are we?
We are a comprehensive manufacturer located in Dongguan, China, specializing in seal design, production, agency, warehousing and sales with more than 120 staffs. Our mission is to satisfy our customers and provide high quality and reasonable price of seal products with integrity management.
What materials are available to produce?
High quality NBR, PU, PTFE, EPDM, FKM, FFKM, Silicone, etc.
Why should you buy from us not from other suppliers?
One-stop shop basis; Standard Certificates; OEM/ODM available with high quality materials ; 100% inspected before shipment; Professional technicians with 20 years experience
What can we provide for you?
Oil seal, o-ring, hydraulic and pneumatic seals(rod seal, piston seal, wiper seal, rotary rings, buffer rings, guide rings, etc)Providing standardization of seals and catalog listing.
How can we guarantee the quality?
Always pre-production samples before shipping for all customers if needed; Accept third party inspection.
What is the normal lead time for product orders?
Generally it is 2-3 days if the goods are in stock. Or it is 5-10 days if the goods are not in stock.
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