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US-90URE-2-1/2×2-7/8×3/16

Utilizing the same profiles as the Style 800 Polyurethane U-Seal line, these u-seals are molded from a fluorocarbon, compound. While being compatible with a broader range of fluids, these fluorocarbon seals will also operate, continuously at temperatures from -20° to +400 °F. NOTE: If you are not sure of fluid/seal compatibility, please refer, to the fluid compatibility chart in the appendix or contact our Engineering Department.

95A Durometer | Fluorocarbon Material | 2 3/4 in Nominal Inner Diameter | 1/4 in Cross Section | U-Seal

Molded in PTFE with a rubber energizer, this seal absorbs the shock of pressure spikes to protect the rod seal.

70A Durometer | Filled PTFE Buffer Material | 35 MM Nominal Inner Diameter | Buffer Seal

2 Rod Gland Kits

Kit includes:

1 Bronze Gland
1 Wiper
1 U-seal
1 O-ring

End clearance on piston rings depends on ring design, material andapplication. The following end clearances are provided as a standard for hydraulic cylinder applications. When using iron piston rings, it is crucial to use the correct groove design for proper performance of the cylinder. Please use the following guidelines when cutting an iron piston ring groove.

GROOVE WIDTH: To permit the ring to slide freely into the groove, the groove must be at least 0.001” wider than the maximum piston ring width with a tolerance of +0.003”/-0.000”.

GROOVE DEPTH: Grooves must be at least 0.015” deeper than the maximum radial wall thickness of the piston ring with a tolerance of +0.003”/-0.000”. This is to avoid any possibility of the ring bottoming in the groove when the ring is compressed to its working diameter.

RADIAL CLEARANCE: The radial clearance between the cylinder bore and piston should be less than 1/3 of the radial wall thickness of the piston ring to ensure sealing effectiveness.

Iron Material | 0.11 in Cross Section | Piston Seal

*
2.5 in Hot Finished 1018 Carbon Steel*
round bar. Material can be cut to any size.

Suitable for shafting and applications that do not require the greater strength of high carbon and alloy steels.

• Good case hardening properties
• Fair machinability
• Readily brazed and welded

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.

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.

90 Durometer | Buna-N Rubber Material | 9/16 in Nominal Inner Diameter | 1/16 in Cross Section | O-Ring

Features

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

Hydrogenated Nitrile Rubber (HNBR), also known as Highly Saturated Nitrile (HSN), is a compound with superior heat, ozone, chemical resistance, tensile strength and abrasion resistance over natural rubber. HNBR provides excellent service life in most sealing applications such as oilfield, automotive and refrigerants.

70 Durometer | Highly Saturated Nitrile Material | 1 3/16 in Nominal Inner Diameter | 1/16 in Cross Section | O-Ring

Features

• Chemical resistance
• Tensile strength
• Abrasion resistance
• Excellent service life in most sealing applications such as oilfield, automotive and refrigerants

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.

90 Durometer | Buna-N Rubber Material | 2 1/16 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

O-ring

O-Ring