**DISCONTINUED** Style 7857RH CHEVRON® Hydraulic Packing V-Rings
- Style/Model: Style 7857RH
- Brand: CHEVRON®
- Primary Dimensional Unit of Measure: Imperial
Garlock Chevron Seal Style 7857RH has been discontinued and the suggested replacement material is Style 8140. If you have any questions, please contact us regarding alternative options for your application.
Garlock’s hydraulic v-ring packing is constructed of custom-made rubber compounds and polymers shaped in our proprietary Chevron® design, to give you the best sealing and longest lasting products. Style 7857RH is our premium grade very hard Styrene-Butadiene (SBR) rubber reinforced with cotton fabric and a special heat treatment to create a RockHard product, making it ideal for high pressures, abrasives and misaligned equipment. Available in over 7,000 sizes, this product is made in 3 standard designs: male, female and v-ring, and is recommended for pressures from 1,500-4,500psi.
- Overview
Features and Benefits:
- Pressure activated center sealing rings flare open under pressure creating a tight seal and minimizing leakage.
- Center v-rings hold rod lubrication to extend the life of the packing.
- Long lasting sealing performance in tough applications, providing more uptime.
- A great option for abrasive applications creating long-lasting performance.
- Ideal for worn or misaligned equipment.
- Very good heat resistance; higher temperatures than standard nitrile.
Typical Applications:
- Extremely abrasive media, water and oil applications
- Pressures from 1,500-4,500psi
- Speeds up to 100FPM
- Worn equipment with an imperfect surface finish
Media Use:
- Water
- Hydraulic Oil
- Water Gylcol
- Water in Oil
- Hydrocarbons
- Alkalies
- Air
- Phosphate Esters
Industries Served:
- Chemical Processing
- Mining
- Nuclear
- Oil and Gas
- Power Generation
- Primary Metals
- Pulp and Paper
- Water and Wastewater