Umbrella Valves | Parker NA

Umbrella Valves

Umbrella valves allow flow in one direction and prevent flow in the opposite direction. Umbrella valves typically open when the fluid pressure exceeds a specified range.

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Description

Umbrella valves allow flow in one direction and prevent flow in the opposite direction. Umbrella valves typically open when the fluid pressure exceeds a specified range. The valves are easy to assemble and have positive retention with a pull through design. The valve works by utilizing the material properties of the elastomer, the flow area, the seal preload, and the thickness of the elastomer in the umbrella section to control the pressure drop across the valve. Parker can manufacture most customer designed umbrella valves using one of our existing world class elastomer options.

Product Features
• Unidirectional valve that is normally closed
• Pull through installation on a flat surface with flow holes underneath

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Description

Performance Characteristics

Polymer Material Options

Nitrile Butadiene Rubber (NBR, XNBR)
Polychloroprene Rubber (CR, Neoprene)
Ethylene Acrylate Rubber (AEM)
Ethylene Propylene Rubber (EPM, EPR, EPDM)
Fluorocarbon Rubber (FKM, FPM)
Fluorosilicone Rubber (FVMQ)
Silicone Rubber (VMQ, PVMQ)

Thermal Application Type

Low and High Temperature (< -30°C, > 121°C)

For Fluid Type

Ultra Broad Range

Industry

General

Application

Various

Durometer

45 to 90 Shore A

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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...