WD – COMPACT PROFILE WASH DOWN DESIGN FOR FOOD AND BEVERAGE, MEETS IP69K | Parker NA
687567
687567

WD – COMPACT PROFILE WASH DOWN DESIGN FOR FOOD AND BEVERAGE, MEETS IP69K

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This non-contact, labyrinth design PTFE bearing isolator passes IP69K testing for protection in food and beverage service applications requiring exclusion of high pressure water spray, dust and other aggressive contaminants.

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Description
    AVAILABILITY: Due to the customized nature of this product, only a sampling of Parker's shaft and bore diameters are shown. We can manufacture virtually any size in standard shaft diameters ranging from 0.492” to 10” (12.5 mm to 254 mm).

    PERFORMANCE ADVANTAGES
    Machine downtime due to bearing failure is costly. By keeping lubrication in and contaminants out, Parker’s ProTech™ bearing isolators provide reliable protection of rotating equipment for extended bearing life – particularly in high pressure food and beverage wash down conditions. Labyrinth sealing technology applied to high performance materials allows Parker’s ProTech WD Profile bearing isolator to operate far beyond shaft speed limits of standard radial lip seals and avoid shaft wear.

    The non-contact design has virtually no torque consumption and therefore will not wear or groove shafts, and allows for non-lubricated dry runs. It also accommodates the greatest axial movement in the industry, reducing the major factor that causes labyrinth seal leakage.

    We can custom engineer solutions to meet exacting specifications for new or retrofit applications in most shaft and bore combinations. When used to replace seals during planned or unplanned rebuilds, the WD Profile lowers shaft cost due to liberal specifications. Costs can also be eliminated on tooling charges due to the fact that ProTech is a precision-machined seal.

    DESIGN
    An external O-ring on the outside diameter of the stator allows for easy seal installation, maintains a press fit in the seal housing, and provides a static seal against the bore for oil retention. The stator has a sophisticated series of grooves to retain oil splash, which has been tested by a major pump OEM and proved to be the most effective design for oil retention when compared to various competitor designs.

    The rotor uses an external O-ring to maintain a static press fit on the shaft. Since the rotor spins with the shaft, it will not wear, groove, or damage the shaft. This eliminates costs associated with having to recondition the sealing surface of the shaft.

    The rotor and stator are assembled at the Parker facility where they are permanently unitized, allowing for a one-piece installation. This unitized design also maintains the seal’s integrity by keeping high-pressure water spray, vibration or axial movement from separating or increasing the gap between the rotor and stator.

    Additional features include:
    • Delivers highest level of exclusion against high-pressure water spray and dust
    • Meets IP-56, IP-66, and IP69K testing for dust and water exclusion
    • Specifically designed to exclude high pressure water spray and dry contaminants in limited space applications.
    • Narrow flanged designs
    • Food grade and anti-microbial material available per ASTM JIS Z2801 testing
    • Not compatible with oil lubricated systems.

    Retains: Grease
    Excludes: Heavy water spray and dry contaminants from bearing cavity
    Equipment: Small disposable motors and equipment for the food processing industry; economical seal for 140 and 180 frame motors and other high volume OEM equipment requiring wash down protection where cost to upgrade the seal has been a deterrent.

    MATERIALS
    Stator & Rotor: ProTech uses proprietary PTFE compounds making it well suited for harsh environments, such as citric acids and strong caustics. This superior chemical resistance allows for the standardization of a single material within a plant, eliminating the need to stock duplicate sizes in expensive stainless steel or other exotic materials.

    Characteristics of the various PTFE materials offered:
    • Temperature range: -40 to 250 F (-40 to 121 C)
    • Higher temperature applications can be handled with alternate materials
    • Low wear, low coefficient of friction. Superior for dynamic applications
    • FDA compliant
    • Anti-microbial
    • USDA 3A sanitary standards for food and dairy product contact

    O-Rings: Come standard as FKM, but are also available in:
    • NBR
    • FDA silicone
    • Fluorosilicone
    • EPDM
    • Aflas®

    SHAFT MOUNTING POSITION: Compatible Lubrication types
    • Horizontal: Grease, Dry
    • Vertical Up: Grease, Dry
    • Vertical Down: Grease, Dry

    SIZE RANGE
    Parker manufactures the WD Profile in standard shaft diameters ranging from 0.492” to 10” (12.5 mm to 254 mm). Because this is a precision machined seal, we can manufacture virtually any configuration.

    HOW TO ORDER: To configure your part number, download the ProTech™ Part Numbering Guide from the Product Support tab. Contact Parker for requirements outside standards shown in the ProTech Bearing Isolators literature document in the Product Support tab. Click on “Where to Buy” to find a Distributor in your area, or contact Parker for assistance.
Description

Performance Characteristics

Operation Type

Non-Flooded

Maximum Surface Speed

up to 3000 ft/min
up to 15 m/sec

Pressure Rating

0 psi

Axial Movement

0.020 inch
0.51 mm

Eccentricity

0.020 inch
0.51 mm

Operating Temperature

-40 to 250 °F
-40 to 121 °C

Shaft Diameter

0.492 to 10.000 inch
12.5 to 254 mm

Bore Diameter

1.043 to 11.575 inch
26.5 to 294 mm

Seal Material

PTFE

O-Ring Material

FKM is standard; alternates available

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...

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