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General Purpose Rotary Shaft V Seal (A)
Parker’s “A” style rubber V seal is stretch fit on the rotating shaft and features a flexible lip which seals against the counter face.
Product Overview
Tech Specifications
Product Support
Rotary Seal Design Guide - EPS 5350
Rotary Shaft V Seals and Excluders from Parker
Rotary Shaft Seals From Parker--Landing Page
Installation of Shaft Seals
Basic Sealing Technology-Rotary Shaft Seals
Sealing Technology Glossary of Basic Terminology
Design Action Request--DAR
Frequently Asked Questions
EPS Division, Nacogdoches, ISO 9001 AS9100D AS9104/1
EPS Division, SLC, IATF 16949:2016
Seal Storage and Handling Guide - Rotary Shaft Seals
Shelf Life for Elastomeric Seals
How They Work - Rotary Shaft Seals
Rotary Seal Product Offering/Selector
Description
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Parker’s “A” style V seal, also called a V ring, is primarily used for the exclusion of dirt, dust or water as well as retention of grease or other viscous fluids. The V seal may also be used as a secondary seal to protect primary seals by excluding contamination in hostile environments.
How it works: The seal body has a stretch fit on the shaft and the flexible lip seals against the counter face. As the shaft rotates the seal also acts as a slinger. Centrifugal force produces a decrease in contact pressure of the elastomer lip as speeds increase – keeping frictional losses and heat to a minimum.
Standard Materials:
• NBR; Temp -40F / +225F
• FKM: -30F / +325F
Shaft Surface Speed: To 1600 fpm (8.1 m/s)
Shaft Size Range: 0.110 to 79.530 inches (2.8 to 2020 mm)
Maximum Shaft Dynamic Runout (TIR): Within limits of fitted width assembly dimension, B1, as illustrated in the Literature document in the Product Support tab, titled “Rotary Shaft V Seals and Excluders from Parker.”
Maximum (STBM) Misalignment: 1 to 4 degrees
Maximum Pressure: 0 psi
Typical Applications:
General purpose V seals (or V rings) are commonly used in a variety of applications including small motors, conveyors, appliances, agriculture and automotive equipment, work rolls, rolling mills, pumps and gear boxes.
Description
Performance Characteristics
Polymer Material Options
Nitrile Butadiene Rubber (NBR, XNBR)
Fluorocarbon Rubber (FKM, FPM)
Minimum Operating Temperature
-40 °F
Maximum Operating Temperature
325 °F
Maximum Shaft Runout
Per Limits Detailed in Literature Document
Maximum Shaft-to-Bore Misalignment
1 to 4°
Maximum Operating Pressure
0 psi
Maximum Surface Speed
1600 ft/min
8.1 m/sec
Seal Type
Homogenous Rubber Excluder
Shaft Seal Material
Rubber
FAILURE OR IMPROPER SELECTION OR IMPROPER USE OF THE PRODUCTS DESCRIBED HEREIN OR RELATED ITEMS CAN CAUSE DEATH, PERSONAL INJURY AND PROPERTY DAMAGE. This document and other information from Parker-Hannifin Corporation, its subsidiaries and authorized distributors provide product or system options for further investigation by users having technical expertise. The user, through its own analysis and testing, is solely responsible for making the final selection of the system and components and assuring that all performance, endurance, maintenance, safety and warning requirements of the application are met. The user must analyze all aspects of the application, follow applicable industry standards, and follow the information concerning the product in the current product catalog and in any other materials provided from Parker or its subsidiaries or authorized distributors. To the extent that Parker or its subsidiaries or authorized distributors provide component or system options based upon data or specifications provided by the user, the user is responsible for determining that such data and specifications are suitable and sufficient for all applications and reasonably foreseeable uses of the components or systems...
