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Parback® backup ring with a curved cross-section.

Parbaks are contoured on one face to minimize distortion of the o-ring when under pressure. Parbaks should be installed with the contoured face against the o-ring, but reversal does no harm.

90A Durometer | Buna-N Rubber Material | 6 3/4 in Nominal Inner Diameter | 1/4 in Cross Section | Backup Ring

Features

• Excellent extrusion resistance
• Easily stretched for installation
• Lubrication is enhanced by rubber which absorbs system fluid and does not plate out on rubbing surfaces

Style 580 Square O-rings are circular elastomeric rings that create a seal between two or more parts. They are made from a variety of materials, including BUNA-N rubber, and are used in a variety of industries, including automotive, aerospace, and manufacturing.

Buna-N Rubber Material | 2 in Nominal Inner Diameter | 1/8 in Cross Section | Square O-ring

Features

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

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 | 2 3/4 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

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 | Fluorocarbon Material | 2 3/4 in Nominal Inner Diameter | 1/8 in Cross Section | O-Ring

Features

• Pressure range varies according to diametral clearance
• Temperature range of -20 °F to -400 °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 | 2 9/16 in Nominal Inner Diameter | 3/32 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

Style AN-M2 scrapers conform to MS28776-M2 sizes and are manufactured in brass. The scrapers are suitable for extreme environments with aggressive contaminants. The unique spring-loaded construction and ductile material result in close rod contact even when coping with rod ovality and helix grinding patterns.

Brass Material | 3 1/2 in Nominal Inner Diameter

Features

• Scrapers are suitable for extreme environments with aggressive contaminants
• Unique spring-loaded construction
• Manufactured in brass

Parback® backup ring with a curved cross-section.

Parbaks are contoured on one face to minimize distortion of the o-ring when under pressure. Parbaks should be installed with the contoured face against the o-ring, but reversal does no harm.

90A Durometer | Buna-N Rubber Material | 1 1/2 in Nominal Inner Diameter | 3/16 in Cross Section | Backup Ring

Features

• Excellent extrusion resistance
• Easily stretched for installation
• Lubrication is enhanced by rubber which absorbs system fluid and does not plate out on rubbing surfaces

CPOD2000X1000 has a wall thickness of 0.5 in. The ID is 1 in and the OD is 2 in. The material is 1026 Carbon Steel with chrome plating on the Outside Surface.

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.

1.5 in induction hardened chrome shafting.

The base material is 4140 Alloy Steel with 0.0005 in (0.0127mm minimum)-thick chrome plating and a case depth of 0.05 in (1.27mm).

Induction Hardened Chrome is typically used in abrasive envrionments where the cylinder is exposed to rocks or heavy debris. Also used to machine clevis pins.

• Greater strength
• Better resistance to mechanical damage

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.

HT-4750X4250 has a wall thickness of 0.25 in. The ID is 4.25 in and the OD is 4.75 in. The material is DOM 1026 Carbon Steel and has been stress-relieved and annealed.

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.