Maintenanace Solutions

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Engineered Polymer Solutions for Hydraulic, Pneumatic, and Rotating Equipments

Chesterton'" positive rake wipers are designed to effectively clean and dislodge foreign matter from retracting rods or rams to prevent scoring and system contamination. The sharp, rugged, flared profile provides protection against abrasive particles which can con - taminate the system and lead to premature equipment failure. These wipers provide excellent performance on rods or rams in hydraulic and pneumatic applications. The 21 K design is manufactured using a machining process which allows the flexibility to create any size based on equipment dimensions. This design incorporates a built-in static seal on the flange to ensure contaminants do not migrate along the stationary side of the wiper during operation. The SK Super Wiper is made from a compression molding process that utilizes existing tooling. Additional custom designs were developed to meet specific application and equipment needs which include snap-in, stepped, and bi-directional wipers.

Hydraulic Seals and Pneumatic Seals
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• Single-acting, abrasion - resistant design for hydraulic and pneumatic applications
• Positive rake lip design effectively wipes contaminants away from surface
• Manufacturing process allows flexibility to create any size
• Sizes made to accommodate international standards including ISO and DIN

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Chesterton" 9K anti-extrusion rings, often referred to as back-up rings, are designed to prevent seals or O-rings from extruding into equipment clearances while under pres- sure. Each ring is individually manufactured and provides excellent performance, as a supporting element, to both piston, rod and face seals that are generally found in static or dynamic applications.

Chesterton" 9K anti-extrusion rings, utilize a machining process to create a final product which enables all sizes to be made to equipment dimensions. These anti-extrusion rings are available in various extrusion-resistant materials and are located on the back-side or low pressure side of the sealing element they are supporting. Anti-extrusion rings are available in many materials and custom profiles including rectangular, contoured, con-tinuous or split designs.

Ancillary Devices
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• Prevent extrusion of sealing element into equipment clearances, improve MTBR
• Static and dynamic applications, plant-wide usage
• Machining process, allows the flexibility to create any size
• Available in various profiles and materials
• Back up rings, prevent seal extrusion