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This U-cup style buffer ring offers an asymmetric sealing lip profile, chamfered sealing edges, and pressure relieving capabilities to prevent inner pressure entrapment when employed in a tandem sealing system. This rod buffer seal is designed to absorb impact pressure fluctuations under high-load conditions thus increasing the life of the primary seal.

Urethane Material | 2 1/2 in Nominal Inner Diameter | Buffer Seal

Style HRU u-seals are precision molded from 80 Durometer Buna-N rubber. Sizes include those found in Army-Navy spec. AN6226 and narrow cross-section sizes found in J.I.C. cylinders and the popularly termed “Huva Cup”.

80A Durometer | Buna-N Rubber Material | 2 13/16 in Nominal Inner Diameter | 7/32 in Cross Section | U-Seal

O-rings as elastic loops that seal static and dynamic applications. They are used to seal the space between cylinders, pistons, pipes and tubes and can be made from various materials.

70 Durometer | Buna-N Rubber Material | 1 1/8 in Nominal Inner Diameter | 3/32 in Cross Section | O-Ring

Features

• Pressure range varies according to diametral clearance
• Temperature range of -40 °F to -240 °F

Hytrel backup ring with a flat cross-section.

Molded of 55D Durometer Hytrel, these back-up rings provide excellent extrusion resistance and tolerance to fluids such as phosphate esters, hydraulic oil and water. Stretched for installation, they return quickly to their original size for easy installation.

55D Durometer | Hytrel Material | 4 1/2 in Nominal Inner Diameter | 0.11 in Cross Section | Backup Ring

Features

• Improved extrusion resistance compared to standard FKM or NBR backups
• Can be stretched over larger diameters and will return quickly to their original size
• High strength and abrasion resistance
• Wide temperature range
• Chemical resistance
• Low friction
• Easy installation

Wear rings provide a hard-wearing surface that protects the cylinder walls and the piston rod from scoring and abrasion. By maintaining alignment and reducing side loads, these rings facilitate smoother piston movement and lower friction levels.

Nylon Material | 2 1/2 in Nominal Inner Diameter | 1/8 in Cross Section | Wear Ring

Features

• Protection Against Wear
• Reduced Friction
• Extended Cylinder Life
• Operational Efficiency

WR-NYL, 3 1/2 X 3/8 Wear Ring

660-2000 has a 2 in rod diameter. The material is 660 Bronze Copper Alloy 932.

660 Bronze is known as “bearing bronze” because it is most commonly used in bushing and bearing applications. While it is easily machined, the bronze alloy is hard, strong, and resistant to wear. It is also less dependent on lubrication than other alloys and has reasonable corrosion resistance to seawater and brine.

660 Bronze is used for machining bearings, bushings, wear strips, and plates. This grade of bronze is used in pump, cylinder, and machine tool applications.

• Good anti-friction properties
• Ample strength and hardness
• Adeqaute ductility
• Excellent machinability

Full mill lengths will be cut to lengths between 12 ft and 19 ft long. Packages longer than 44 inches may have additional freight charges.

These seals are specifically designed with a second lip on their inside diameter and engineered to attain maximum, life and reliability in dynamic rod sealing. This feature results in reduced leakage, less friction, increased stability, and, prevents air and contaminants from entering the cylinder.

92A Durometer | Urethane Material | 2 in Nominal Inner Diameter | 1/4 in Cross Section | U-Seal

Features

• General purpose rod seal
• Robust design
• Excellent wear resistance
• Increase seal stability
• Performs well over wide temperature range and is extremely effective in low temperatures
• Primary lip protection
• Easy to install

Wear rings provide a hard-wearing surface that protects the cylinder walls and the piston rod from scoring and abrasion. By maintaining alignment and reducing side loads, these rings facilitate smoother piston movement and lower friction levels.

Nylon Material | 2 3/4 in Nominal Inner Diameter | 1/8 in Cross Section | Wear Ring

Features

• Scarf Cut wear ring
• Protection Against Wear
• Reduced Friction
• Extended Cylinder Life
• Operational Efficiency

ALUM-5000 has a 5 in diameter. The material is 6061 Aluminum T6

6061 Aluminum T6 is suitable for machining pistons and head glands.

The T6 refers to the temper or degree of hardness. T6 has been solution heat treated and artificially aged to provide the maximum yield strength for a 6061 aluminum alloy.

• Heat treated and aged for increased strength
• Easily formed
• Weldable
• Corrosion resistant

Full mill lengths will be cut to lengths between 12 ft and 19 ft long. Packages longer than 44 inches may have additional freight charges.