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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 | 7 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

Solid Urethane backup ring with a flat cross-section.

95A Durometer | Urethane Material | 3 1/8 in Nominal Inner Diameter | 1/8 in Cross Section | Backup Ring

Features

• High strength and abrasion resistance
• Wide temperature range
• Chemical resistance
• Low friction
• Easy installation

Solid Teflon backup ring with a flat cross-section.

PTFE can withstand high temperatures and is compatible with nearly all fluids.

PTFE Material | 1 5/8 in Nominal Inner Diameter | 3/16 in Cross Section | Backup Ring

Features

• High strength and abrasion resistance
• Wide temperature range
• Chemical resistance
• Low friction
• Easy installation
• Deals very well with surface wear

Solid Teflon backup ring with a flat cross-section.

PTFE can withstand high temperatures and is compatible with nearly all fluids.

PTFE Material | 9 1/2 in Nominal Inner Diameter | 1/4 in Cross Section | Backup Ring

Features

• High strength and abrasion resistance
• Wide temperature range
• Chemical resistance
• Low friction
• Easy installation
• Deals very well with surface wear

WR-NYL- 10 X 1 Wear Ring

WR-NYL-3.750 X 1/2 X 1/8-C/S

GB-PHEN-1-1/2×1/8-C/S

660-4000X6000 has a 1 in thick wall. The ID is 4 in and the OD is 6 in. The material is 660 Bronze Copper Alloy 932.

• Long life span
• Machinability rating of 70
• Not subject to dezincification

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.

6.000 X 5.274 X 750 Capped T BFT

ALUM-5500 has a 5.5 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.