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Style ST-XL wipers are molded from premium urethane and are direct replacements for Style “ST” or “D” wipers. The outside diameter of the ring has a crush lip providing extra interference in the groove. A bead on the shoulder stops contaminates from entering through the groove. The inside diameter is ribbed to prevent pressure traps between the wiper and rod seal.

94A Durometer | Urethane Material | 4 1/4 in Nominal Inner Diameter

Features

• Crush lip to provide extra interference
• Bead on the shoulder to keep contaminants out
• Ribbed ID to prevent pressure traps

Solid Urethane backup ring with a flat cross-section.

95A Durometer | Urethane Material | 4 3/8 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

Solid Urethane backup ring with a flat cross-section.

95A Durometer | Urethane Material | 4 1/2 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

Utilizing a sturdy metal case, these wipers are molded from the same high performance urethane used in our Heavy Duty U-seals. Built for severe service, these wipers are capable of surviving hostile environments.

92A Durometer | Urethane Material | 4 in Nominal Inner Diameter

Features

• Used in Heavy Duty U-seals
• Capable of surviving hostile environments
• Molded from the high performance urethane

Utilizing a sturdy metal case, these wipers are molded from the same high performance urethane used in our Heavy Duty U-seals. Built for severe service, these wipers are capable of surviving hostile environments.

92A Durometer | Urethane Material | 4 1/4 in Nominal Inner Diameter

Features

• Used in Heavy Duty U-seals
• Capable of surviving hostile environments
• Molded from the high performance urethane

Suffix “V” designates fluorocarbon material,“N” designates nitrile material, and “HT” designates high temperature urethane.

90A Durometer | Urethane Material | 4 1/4 in Nominal Inner Diameter

Features

• Urethane Wiper Ring
• Min. Temperature Range of ‘-40 °F; N: -40°; V: -20 °F; HT: -40 °F
• Max. Temperature Range of 200 °F; N: 225 °F; V: 350 °F; HT: 225 °F

A wide range of ST wipers are now offered in the slotted heel design. The slots in the heel allow excess hydraulic fluid to bypass the wiper, preventing wiper blowout.

90A Durometer | Urethane Material | 4 1/4 in Nominal Inner Diameter

Features

• Slotted heel design
• Slots in the heel allow excess hydraulic fluid to bypass the wiper

These back-up rings, made from urethane or nylon, are commonly used as spacers for u-seals.

70 Shore D Durometer | Urethane Material | 4 in Nominal Inner Diameter | Modular Back-Ups

Features

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

These back-up rings, made from urethane or nylon, are commonly used as spacers for u-seals.

70 Shore D Durometer | Urethane Material | 3 7/8 in Nominal Inner Diameter | Modular Back-Ups

Features

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

Utilizing a sturdy metal case, these wipers are molded from the same high performance urethane used in our Heavy Duty U-seals. Built for severe service, these wipers are capable of surviving hostile environments.

92A Durometer | Urethane Material | 3 3/4 in Nominal Inner Diameter

Features

• Used in Heavy Duty U-seals
• Capable of surviving hostile environments
• Molded from the high performance urethane