Polyurethane / Urethane Dynamic Seals
from Hi-Tech Seals, Inc.
Back-up rings are plastic or rubber rings used to prevent the O-ring from entering the clearance gap. When high pressures are exerted on the O-ring its soft rubber material can be forced into the clearance gap caused the O-ring to extrude. The hard back-up ring material will keep the O-ring material... [See More]
- Sealing Element or Lip Material (ASTM Abbreviation): Polyurethane
- Design Units: Metric
- Seal Type: Back-up Ring
- Operating Temperature: -65.2 to 221
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]
- Sealing Element or Lip Material (ASTM Abbreviation): Fluoroelastomer (FKM) Nitrile (NBR) Polytetrafluoroethylene (PTFE) Polyurethane
- Seal Orientation: Rod Seal; Piston Seal
- Seal Type: Hydraulic / Pneumatic Seal
from Real Seal Company
Premiere Polyurethane Products. Real Seal has developed a reputation for being one of the premiere urethane product suppliers in the market. Becoming the industry standrad for physical toughness, polyurethane sees active service in applications requiring resistance to abrasion, tear, and high... [See More]
- Sealing Element or Lip Material (ASTM Abbreviation): Polyurethane
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]
- Sealing Element or Lip Material (ASTM Abbreviation): Polyurethane; Hythane® 181
- Seal Orientation: Piston Seal
- Seal Type: Hydraulic / Pneumatic Seal
- Design Units: English; Metric
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]
- Sealing Element or Lip Material (ASTM Abbreviation): Nylon Polyurethane
- Seal Orientation: Rod Seal
- Seal Type: Hydraulic / Pneumatic Seal
- Design Units: English
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]
- Sealing Element or Lip Material (ASTM Abbreviation): Fluoroelastomer (FKM) Nitrile (NBR) Polytetrafluoroethylene (PTFE) Polyurethane
- Speed: 98.43 to 984
- Seal Type: Hydraulic / Pneumatic Seal; Piston Ring
- Pressure: 5802
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]
- Sealing Element or Lip Material (ASTM Abbreviation): Polyurethane; Hythane® 181
- Seal Orientation: Rod Seal
- Seal Type: Hydraulic / Pneumatic Seal
- Design Units: Metric
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]
- Sealing Element or Lip Material (ASTM Abbreviation): Polyurethane
- Seal Orientation: Rod Seal
- Seal Type: Hydraulic / Pneumatic Seal
- Design Units: English
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]
- Sealing Element or Lip Material (ASTM Abbreviation): Fluoroelastomer (FKM) Nitrile (NBR) Polytetrafluoroethylene (PTFE) Polyurethane
- Seal Orientation: Rod Seal
- Seal Type: Hydraulic / Pneumatic Seal
- Speed: 98.43 to 984
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]
- Sealing Element or Lip Material (ASTM Abbreviation): Polyurethane; Hythane® 181
- Seal Orientation: Rod Seal
- Seal Type: Hydraulic / Pneumatic Seal
- Design Units: Metric
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]
- Sealing Element or Lip Material (ASTM Abbreviation): Polyurethane
- Seal Orientation: Symmetric Seal
- Seal Type: Hydraulic / Pneumatic Seal
- Design Units: English
from FTL Technology
Wiper seals or scrapers are axial seals which maintain sealing contact with the piston rod, while allowing the reciprocating motion of the rod to pass through the inner bore of the seal. Installed in the sealing configurations of pneumatic cylinders to scrape dirt, foreign particles, chips or... [See More]
- Sealing Element or Lip Material (ASTM Abbreviation): Fluoroelastomer (FKM) Nitrile (NBR) Polytetrafluoroethylene (PTFE) Polyurethane
- Speed: 197
- Seal Type: Exclusion Seal
- Pressure: 14.5
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]
- Sealing Element or Lip Material (ASTM Abbreviation): Polyurethane; Hythane® 181
- Seal Orientation: Rod Seal
- Seal Type: Hydraulic / Pneumatic Seal
- Design Units: Metric
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]
- Sealing Element or Lip Material (ASTM Abbreviation): Polyurethane
- Seal Orientation: Piston Seal
- Seal Type: Hydraulic / Pneumatic 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]
- Sealing Element or Lip Material (ASTM Abbreviation): Polyurethane; Hythane® 181
- Seal Orientation: Rod Seal
- Seal Type: Hydraulic / Pneumatic Seal
- Design Units: English; Metric
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]
- Sealing Element or Lip Material (ASTM Abbreviation): Polyurethane
- Seal Orientation: Piston Seal
- Seal Type: Oil / Grease Seal; Hydraulic / Pneumatic 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]
- Sealing Element or Lip Material (ASTM Abbreviation): Polyurethane; Hythane® 181
- Seal Orientation: Rod Seal
- Seal Type: Hydraulic / Pneumatic Seal
- Design Units: English
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]
- Sealing Element or Lip Material (ASTM Abbreviation): Polyurethane
- Seal Orientation: Rod Seal
- Seal Type: Oil / Grease Seal; Hydraulic / Pneumatic 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]
- Sealing Element or Lip Material (ASTM Abbreviation): Polyurethane; Hythane® 181
- Design Units: English; Metric
- Seal Type: Hydraulic / Pneumatic Seal
- Shaft O.D. or Seal I.D.: 1.04 to 1.43
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]
- Sealing Element or Lip Material (ASTM Abbreviation): Polyurethane
- Seal Orientation: Symmetric Seal
- Seal Type: Oil / Grease Seal; Hydraulic / Pneumatic Seal
- Design Units: English
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]
- Sealing Element or Lip Material (ASTM Abbreviation): Polyurethane; Hythane® 181
- Seal Orientation: Rod Seal
- Seal Type: Hydraulic / Pneumatic Seal
- Design Units: English
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]
- Sealing Element or Lip Material (ASTM Abbreviation): Polyurethane
- Seal Orientation: Piston Seal
- Seal Type: Hydraulic / Pneumatic Seal
- Design Units: Metric
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]
- Sealing Element or Lip Material (ASTM Abbreviation): Polyurethane; Hythane® 181, HALLITE® 361
- Seal Orientation: Rod Seal
- Seal Type: Hydraulic / Pneumatic Seal
- Design Units: Metric
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]
- Sealing Element or Lip Material (ASTM Abbreviation): Polyurethane
- Seal Orientation: Rod Seal; Piston Seal
- Seal Type: Hydraulic / Pneumatic Seal
- Design Units: Metric
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]
- Sealing Element or Lip Material (ASTM Abbreviation): Polyurethane; Polyester
- Seal Orientation: Rod Seal; Piston Seal
- Seal Type: Hydraulic / Pneumatic Seal
- Design Units: English
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]
- Sealing Element or Lip Material (ASTM Abbreviation): Polyurethane
- Seal Orientation: Symmetric Seal
- Seal Type: Hydraulic / Pneumatic Seal
- Design Units: Metric
from Hallite Seals International Ltd.
The Hallite 601 is a high performance general purpose seal suitable for rod and piston use.Manufactured in Hythane 181 - Hallite's 601 is engineered to effect a good seal in most industrial cylinder applications.The sealing lips are accurately machined trimmed to ensure good low pressure sealing... [See More]
- Sealing Element or Lip Material (ASTM Abbreviation): Polyurethane; Hythane® 181
- Seal Orientation: Rod Seal; Piston Seal
- Seal Type: Hydraulic / Pneumatic Seal
- Design Units: English; Metric
from Hi-Tech Seals, Inc.
Wipers are primarily designed to stop contaminants from entering a cylinder on the rod, however, they can also act as a secondary seal. If contaminants were allowed to enter the cylinder it could lead to damage of your rod and/or the damage of other sealing components. A properly selected wiper... [See More]
- Sealing Element or Lip Material (ASTM Abbreviation): Polyurethane
- Seal Orientation: Piston Seal
- Seal Type: Exclusion Seal
- Design Units: Metric
from Hallite Seals International Ltd.
The Hallite 606 is an asymmetric piston seal designed to offer effective bore sealing in a wide variety of applications.The outer dynamic lip is shorter and more robust to provide improved sealing and compression set characteristics over conventional U rings.The seal can be used by itself as a... [See More]
- Sealing Element or Lip Material (ASTM Abbreviation): Polyurethane; Hythane® 181
- Seal Orientation: Piston Seal
- Seal Type: Hydraulic / Pneumatic Seal
- Design Units: Metric
from Hi-Tech Seals, Inc.
Wipers are primarily designed to stop contaminants from entering a cylinder on the rod; however, they can also act as a secondary rod seal. If contaminants were allowed to enter the cylinder it could lead to damage of your rod and/or the damage of other sealing components. A properly selected wiper... [See More]
- Sealing Element or Lip Material (ASTM Abbreviation): Polyurethane
- Seal Orientation: Piston Seal
- Seal Type: Exclusion Seal
- Design Units: Metric
from Hallite Seals International Ltd.
The Hallite 80 rotary pressure seal is a seal designed specifically for use in hydraulic swivel joints.The Hallite 80 is manufactured in Hallites high specification polyurethane, Hythane 181, to provide ease of installation and excellent sealing characteristics.Please call your local Hallite sales... [See More]
- Sealing Element or Lip Material (ASTM Abbreviation): Polyurethane
- Design Units: Metric
- Seal Type: Hydraulic / Pneumatic Seal
- Shaft O.D. or Seal I.D.: 3.15 to 4.92
from Hi-Tech Seals, Inc.
Wipers are primarily designed to stop contaminants from entering a cylinder on the rod; however, they can also act as a secondary rod seal. If contaminants were allowed to enter the cylinder it could lead to damage of your rod and/or the damage of other sealing components. A properly selected wiper... [See More]
- Sealing Element or Lip Material (ASTM Abbreviation): Polyurethane
- Seal Orientation: Piston Seal
- Seal Type: Exclusion Seal
- Design Units: Metric
from Hallite Seals International Ltd.
A patented seal designed specifically for hydraulic swivels. Manufactured in the high grade Hythane 181, Hallites Ro800 is engineered as a one piece seal. No relative motion between the seal and the energiser can effect the lifetime of this seal, which is often mainly the problem of two piece swivel... [See More]
- Sealing Element or Lip Material (ASTM Abbreviation): Polyurethane; Hythane® 181
- Seal Orientation: Piston Seal
- Seal Type: Hydraulic / Pneumatic Seal
- Design Units: Metric
from Hi-Tech Seals, Inc.
Wipers are primarily designed to stop contaminants from entering a cylinder on the rod; however, they can also act as a secondary rod seal. If contaminants were allowed to enter the cylinder it could lead to damage of your rod and/or the damage of other sealing components. A properly selected wiper... [See More]
- Sealing Element or Lip Material (ASTM Abbreviation): Polyurethane
- Seal Orientation: Piston Seal
- Seal Type: Exclusion Seal
- Design Units: Metric
from Hallite Seals International Ltd.
The Hallite 720 is a complete, self contained piston, bearing and seal in one assembly that can solve difficult assembly problems or be used as a cost effective alternative to the traditional piston assembly with a seperately fitted seal and bearing.The Hallite 720 provides improved stability and... [See More]
- Sealing Element or Lip Material (ASTM Abbreviation): Polyurethane
- Seal Orientation: Piston Seal
- Seal Type: Hydraulic / Pneumatic Seal
- Design Units: English; Metric
from Hi-Tech Seals, Inc.
Wipers are primarily designed to stop contaminants from entering a cylinder on the rod; however, they can also act as a secondary rod seal. If contaminants were allowed to enter the cylinder it could lead to damage of your rod and/or the damage of other sealing components. A properly selected wiper... [See More]
- Sealing Element or Lip Material (ASTM Abbreviation): Polyurethane
- Seal Orientation: Piston Seal
- Seal Type: Exclusion Seal
- Design Units: Metric
from Hallite Seals International Ltd.
The Hallite 520 snap-in rod wiper has been designed to fit "Universal" style housings. The proportions of the wiping lip ensure that contact is maintained with the surface of the rod to remove heavily deposited mud, ice, etc. The outside diameter contacts the housing diameter and has a sealing lip... [See More]
- Sealing Element or Lip Material (ASTM Abbreviation): Polyurethane; Polyester
- Design Units: English
- Seal Type: Exclusion Seal
- Shaft O.D. or Seal I.D.: 0.3750 to 15
from Hi-Tech Seals, Inc.
Wipers are primarily designed to stop contaminants from entering a cylinder on the rod; however, they can also act as a secondary rod seal. If contaminants were allowed to enter the cylinder it could lead to damage of your rod and/or the damage of other sealing components. A properly selected wiper... [See More]
- Sealing Element or Lip Material (ASTM Abbreviation): Polyurethane
- Seal Orientation: Piston Seal
- Seal Type: Exclusion Seal
- Design Units: Metric
from Hallite Seals International Ltd.
The Hallite 521 snap-in rod wiper has been designed for light to medium duty applications for typical AN housing sizes. The proportions of the wiping lip ensure that contact is maintained with the surface of the rod to remove contaminants.The moulded ribs on the internal diameter provides extra... [See More]
- Sealing Element or Lip Material (ASTM Abbreviation): Polyurethane
- Design Units: English
- Seal Type: Exclusion Seal
- Shaft O.D. or Seal I.D.: 0.5000 to 4
from Hallite Seals International Ltd.
Designed with the same look and feel as the popular T-842, the T-820 wiper is engineered to fit the same D groove as our T-520 wiper, common in many North American cylinders. However, this profile was developed specifically for harsher environments than the T520, where the wiper is subject to... [See More]
- Sealing Element or Lip Material (ASTM Abbreviation): Polyurethane
- Seal Orientation: Rod Seal
- Seal Type: Exclusion Seal
- Design Units: English
from Hallite Seals International Ltd.
The Hallite 831 wiper is designed to snap into a standard housing and provide reliable medium duty dirt exclusion. The proportions of the precision trimmed wiping lip ensure that it remains in contact with the rod surface to remove all deposits of mud and other forms of contamination except for... [See More]
- Sealing Element or Lip Material (ASTM Abbreviation): Polyurethane
- Seal Orientation: Rod Seal
- Seal Type: Exclusion Seal
- Design Units: Metric
from Hallite Seals International Ltd.
The Hallite 839 wiper is precision moulded in Hallite's high performance polyurethane - Hythane® 181 for maximum wear resistance, and is designed to exclude dirt and moisture from entering the cylinder and to collect traces of fluid passing the rod seal. [See More]
- Sealing Element or Lip Material (ASTM Abbreviation): Polyurethane
- Design Units: Metric
- Seal Type: Exclusion Seal
- Shaft O.D. or Seal I.D.: 0.5512 to 6.3
from Hallite Seals International Ltd.
The Hallite 842 rod wiper is designed to prevent the ingress of foreign particles and moisture into the cylinder. The profile has been specially developed for harsh environments, in particular the longall mining industry. The special feature is the flap on the wiping lip which covers the gland... [See More]
- Sealing Element or Lip Material (ASTM Abbreviation): Polyurethane
- Design Units: English; Metric
- Seal Type: Exclusion Seal
- Shaft O.D. or Seal I.D.: 1.75 to 8.75