Polyurethane / Urethane Hydraulic Seals and Pneumatic Seals
from FTL Technology
FTL Technology supplies hydraulic seal solutions for light, medium and heavy duty industrial applications. In the case of light and medium duty applications, the application parameters generally allow the use of single element rod, piston and wiper seals. What is a Hydraulic Seal?. A hydraulic seal... [See More]
- Material (ASTM Abbreviation): Fluoroelastomer (FKM); Nitrile (NBR); Polytetrafluoroethylene (PTFE); Polyurethane
- Action: Single Acting
- Orientation / Direction: Rod Seal; Piston Seal
from Hi-Tech Seals, Inc.
Hi-Tech Seals can supply both piston and rod buffer seals, however, the majority of our stock consists of rod seals. Buffer seals are usually used in combination with a U-cup style seal. Buffer seals in rod applications are designed to absorb pressure fluctuations when working under high-load... [See More]
- Material (ASTM Abbreviation): Nylon; Polyurethane
- Action: Single Acting
- Orientation / Direction: Rod Seal
- Seal Type: (Composite Seal)
from Hallite Seals International Ltd.
DesignThe result of many years testing and development, the Hallite 607 piston seal is truly a breakthrough in pneumatics sealing. The Hythane 181 material and the profile of the dynamic sealing lip combine to offer both ultra low friction - significantly less than that of rubber - and ultra long... [See More]
- Material (ASTM Abbreviation): Polyurethane; Hythane® 181
- Action: Single Acting; Double Acting
- Orientation / Direction: Piston Seal
- Design Units: English; Metric
from FTL Technology
Piston seals maintain dynamic sealing contact between the piston and the cylinder bore of a hydraulic or pneumatic system, sealing pressurised air. They are a critical element to ensure a reliable and efficient system. The pressure which acts on the piston seal is responsible for the increase in... [See More]
- Material (ASTM Abbreviation): Fluoroelastomer (FKM); Nitrile (NBR); Polytetrafluoroethylene (PTFE); Polyurethane
- Speed: 98.43 to 984
- Seal Type: Piston Ring
- Pressure: 5802
from Hi-Tech Seals, Inc.
Hi-Tech Seals can supply both piston and rod buffer seals, however, the majority of our stock consists of rod seals. Buffer seals are usually used in combination with a U-cup style seal. Buffer seals in rod applications are designed to absorb pressure fluctuations when working under high-load... [See More]
- Material (ASTM Abbreviation): Polyurethane
- Action: Single Acting
- Orientation / Direction: Rod Seal
- Seal Type: (Composite Seal)
from Hallite Seals International Ltd.
DesignThe result of many years testing and development, the Hallite 609 rod seal is truly a breakthrough in pneumatic sealing. The Hythane 181 material and the profile of the dynamic sealing lip combine to offer both ultra low friction - significantly less than that of rubber - and ultra long... [See More]
- Material (ASTM Abbreviation): Polyurethane; Hythane® 181
- Design Units: Metric
- Orientation / Direction: Rod Seal
- Shaft O.D. or Seal I.D.: 0.4724 to 1.26
from FTL Technology
Pneumatic Rod seals are typically used in pneumatic cylinders for sealing pressurised air. Rod Seals work together with wiper seals to protect a hydraulic system against external contaminants, including dirt, dust and outside weather conditions. Rod seals maintain a seal with the piston rod in... [See More]
- Material (ASTM Abbreviation): Fluoroelastomer (FKM); Nitrile (NBR); Polytetrafluoroethylene (PTFE); Polyurethane
- Speed: 98.43 to 984
- Orientation / Direction: Rod Seal
- Pressure: 5802
from Hi-Tech Seals, Inc.
U-cups are lip seals and are primarily intended for dynamic applications. Fluid or air pressure forces the sealing lips into contact with the surface to be sealed against. Polyseals are used on the piston cap on the lower end of MWD systems. The materials stocked by Hi-Tech Seals provide excellent... [See More]
- Material (ASTM Abbreviation): Polyurethane
- Seal Type: U-ring / Block Vee Ring; Cup Packing (Composite Seal)
- Orientation / Direction: Symmetric Seal
- Design Units: English
from Hallite Seals International Ltd.
The Hallite 610 is an asymmetric "solid" seal offering excellent dry rod sealing for light and medium duty applications.It is designed to be les sensitive to pressure fluctuations than Hallite 605 'U' ring design.Manufactured in Hallite's high performance polyurethane - Hythane ~ 181 - the type 610... [See More]
- Material (ASTM Abbreviation): Polyurethane; Hythane® 181
- Design Units: Metric
- Orientation / Direction: Rod Seal
- Shaft O.D. or Seal I.D.: 0.3150 to 5.28
from Hi-Tech Seals, Inc.
Piston cups are molded packing that have a single sidewall, complete with a sealing lip. The sealing is done by the outer lip, which is beveled and holds pressure unidirectionally. Piston cups can be used in hydraulic or pneumatic applications. Piston cups are used on the head of the piston with a... [See More]
- Material (ASTM Abbreviation): Polyurethane
- Action: Single Acting
- Orientation / Direction: Piston Seal
- Seal Type: Cup Packing
from Hallite Seals International Ltd.
The Hallite 617 Multilip seal is an asymmetric rod seal specifically developed to meet the requirements of ISO 6020-2 160 bar compact cylinders. The housing sizes confirm to those given for such cylinders in ISO 5597.Manufactured in black version of Hallites high performance polyurethane Hythane... [See More]
- Material (ASTM Abbreviation): Polyurethane; Hythane® 181
- Design Units: Metric
- Orientation / Direction: Rod Seal
- Shaft O.D. or Seal I.D.: 0.4724 to 5.51
from Hi-Tech Seals, Inc.
The urethane U-cup design provides an excellent heavy-duty seal for either piston or rod applications. Urethane U-cups work well in both static and dynamic applications. Symmetrical, rod and piston styles are available in a range of sizes. The non-symmetric styles provide the added benefits of:... [See More]
- Material (ASTM Abbreviation): Polyurethane
- Seal Type: U-ring / Block Vee Ring; Cup Packing
- Orientation / Direction: Piston Seal
- Design Units: English
from Hallite Seals International Ltd.
The Hallite 621 is a top of the range high pressure rod seal. The design of the seal incorporates a unique profiled NBR energiser to ensure complete lip actuation under all pressure conditions and to cushion the seal against shock loadings.The shell is moulded in Hallite's Hallite's high performance... [See More]
- Material (ASTM Abbreviation): Polyurethane; Hythane® 181
- Design Units: English; Metric
- Orientation / Direction: Rod Seal
- Shaft O.D. or Seal I.D.: 1.18 to 8.46
from Hi-Tech Seals, Inc.
The urethane U-cup design provides an excellent heavy-duty seal for either piston or rod applications. Urethane U-cups work well in both static and dynamic applications. Symmetrical, rod and piston styles are available in a range of sizes. The non-symmetric styles provide the added benefits of:... [See More]
- Material (ASTM Abbreviation): Polyurethane
- Seal Type: U-ring / Block Vee Ring; Cup Packing
- Orientation / Direction: Rod Seal
- Design Units: English
from Hallite Seals International Ltd.
The Hallite 622 is a top of the range medium pressure rod seal. The design of the seal incorporates a unique profiled NBR energiser to ensure complete lip actuation under all pressure conditions and to cushion the seal against shock loadings.The shell is moulded in Hallites high performance... [See More]
- Material (ASTM Abbreviation): Polyurethane; Hythane® 181
- Design Units: English
- Orientation / Direction: Rod Seal
- Shaft O.D. or Seal I.D.: 1.5 to 4.5
from Hi-Tech Seals, Inc.
The urethane U-cup design provides an excellent heavy-duty seal for either piston or rod applications. Urethane U-cups work well in both static and dynamic applications. Symmetrical, rod and piston styles are available in a range of sizes. The non-symmetric styles provide the added benefits of:... [See More]
- Material (ASTM Abbreviation): Polyurethane
- Seal Type: U-ring / Block Vee Ring; Cup Packing
- Orientation / Direction: Symmetric Seal
- Design Units: English
from Hallite Seals International Ltd.
The Hallite 657 has been designed especially to fit SAE J518 flanges.High pressure and pumping are common problems which prevent reliable sealing in applications where O rings are fitted. Hallites 657 overcomes these.Manufactured as standard in Hallites high quality Hythane 181, the material... [See More]
- Material (ASTM Abbreviation): Polyurethane; Hythane® 181
- Shaft O.D. or Seal I.D.: 1.04 to 1.43
- Design Units: English; Metric
- Housing I.D. or Seal O.D.: 1.32 to 1.77
from Hi-Tech Seals, Inc.
The urethane U-cup design provides an excellent heavy-duty seal for either piston or rod applications. Urethane U-cups work well in both static and dynamic applications. The non-symmetric styles (MPI and MRO) provide the added benefits of: reduced seal movement, added stability in static... [See More]
- Material (ASTM Abbreviation): Polyurethane
- Action: Single Acting
- Orientation / Direction: Piston Seal
- Seal Type: Cup Packing
from Hallite Seals International Ltd.
The Hallite 658 is an asymmetric seal designed specifically to replace an O ring and one back up sealing arrangement.Manufactured in Hallites high performance polyurethane - Hythane 181, the Hallte 658 is an extremely flexible seal making installation very easy.See Hallite 605 for more details. [See More]
- Material (ASTM Abbreviation): Polyurethane; Hythane® 181
- Design Units: English
- Orientation / Direction: Rod Seal
- Shaft O.D. or Seal I.D.: 0.7500 to 2.5
from Hi-Tech Seals, Inc.
The urethane U-cup design provides an excellent heavy-duty seal for either piston or rod applications. Urethane U-cups work well in both static and dynamic applications. The non-symmetric styles (MPI and MRO) provide the added benefits of: reduced seal movement, added stability in static... [See More]
- Material (ASTM Abbreviation): Polyurethane
- Action: Single Acting
- Orientation / Direction: Rod Seal; Piston Seal
- Seal Type: Cup Packing
from Hallite Seals International Ltd.
The Hallite 663 is an asymmetric seal offering superlative dry rod sealing for light and medium duty applications.The seal is a single lip modification of the well established Hallite 605 profile and is ideal for applications which require a double lip wiper such as the Hallite 839, Hallite 844 or... [See More]
- Material (ASTM Abbreviation): Polyurethane; Hythane® 181, HALLITE® 361
- Design Units: Metric
- Orientation / Direction: Rod Seal
- Shaft O.D. or Seal I.D.: 0.4724 to 3.94
from Hi-Tech Seals, Inc.
The urethane U-cup design provides an excellent heavy-duty seal for either piston or rod applications. Urethane U-cups work well in both static and dynamic applications. The non-symmetric styles (MPI and MRO) provide the added benefits of: reduced seal movement, added stability in static... [See More]
- Material (ASTM Abbreviation): Polyurethane
- Action: Single Acting
- Orientation / Direction: Symmetric Seal
- Seal Type: Cup Packing
from Hallite Seals International Ltd.
The Hallite 511 is a loaded U cup utilising a polyurethane or polyester shell energised by a high specification resilient O ring.At zero or low pressure, the O ring helps to increase the sealing force preventing any bypass. As pressure rises the sealing force increases and the O ring ensures... [See More]
- Material (ASTM Abbreviation): Polyurethane; Polyester
- Action: Single Acting; Double Acting
- Orientation / Direction: Rod Seal; Piston Seal
- Design Units: English