Low Friction FlexiSeal with Beveled Lips (FBC-V) | Parker NA
687567
687567

Low Friction FlexiSeal with Beveled Lips (FBC-V)

Low friction symmetrical spring-energized PTFE lip seal for rod and piston sealing applications. Beveled ID & OD style lips. Cantilever spring for maximum ID & OD sealing.

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Description
    **AVAILABILITY:  Due to the customized nature of this product, only a sampling of Parker's part numbers are shown.  If the materials and dimensions you need are not shown, assistance with part number configuration may be found in the literature document in the Product Support tab.  

    Parker’s FBC-V series FlexiSeal™ is a symmetrical spring-energized PTFE lip seal for rod and piston featuring beveled style lips, and cantilever spring for maximum ID & OD sealing.  FlexiSeal profiles utilize a variety of PTFE jacket profiles, spring types and materials.  PTFE and other machinable high performance materials of construction are used where elastomeric seals fail to meet an application's temperature range, chemical resistance or friction requirements and deliver advantages which include:

    • Low friction
    • Wide temperature range (-450F to +600F)
    • Ultra broad chemical compatibility
    • Dry running ability in dynamic sealing applications
    • Resistance to degradation, heat aging and physical property alteration during temperature cycling
    • High surface speed

    FBC-V series FlexiSeals are precision machined to fit inch/fractional or metric rod and piston glands.   

    Standard Materials (seal jacket or body):  
    • 0100, Virgin PTFE
    • 0102, Modified PTFE
    • 0120, Mineral Filled PTFE
    • 0127, Mineral Filled PTFE — FDA compliant for rotary applications
    • 0128, Mineral Filled PTFE — Antimicrobial
    • 0203, Fiberglass Filled PTFE
    • 0204, Fiberglass and MoS2 Filled PTFE
    • 0301, Graphite Filled PTFE
    • 0307, Carbon-Graphite Filled PTFE
    • 0405, Stainless Steel Filled PTFE
    • 0502, Carbon Fiber Filled PTFE
    • 0601, Aromatic Polyester Filled PTFE
    • 0615, Proprietary Low Wear PTFE
    • 0901, UHMW Polyethylene
    • 0913, Hytrel® Unlubricated Thermoplastic Elastomer

    Spring materials:  Medium load cantilever springs are available in corrosion-resistant metal alloys, including stainless steel and Elgiloy.

    Alternate Materials:  For applications that may require an alternate material, please contact your Parker EPS representative.

    Lip Style:  The beveled (or chamfered) ID and OD lip shape allows for ease of installation and permits lubrication to nest under the lip and feed through in reciprocating dynamic applications.  The result is a microscopic film of lubrication that increases seal and hardware service life.  The beveled lip creates a narrow contact footprint which concentrates sealing force on a single point, maximizing sealing ability and minimizing friction.

    Pressure Rating:  Standard FlexiSeal designs are rated to 3,000 psi when used in glands conforming to the dimensions supplied in Parker's PTFE Lip Seal Design Guide, Catalog EPS5340, using materials that meet the temperature requirements of the application.  Extended heel radial FlexiSeals are available which increase the pressure rating to 10,000 psi under the same conditions.  

    Features of the FBC-V series compared to alternate Parker FlexiSeal profiles:
    • Film Breaking Ability:  Very High
    • Low Pressure Sealing Ability:  Very Good
    • Friction:  Medium
    • Contamination Exclusion:  Low
    • Good in Abrasive Media:  No
    • Available in Mil-G-5514 Glands:  Yes
Description

Performance Characteristics

Maximum Operating Pressure

Vacuum to 10000 psi

Minimum Operating Temperature

-425 °F

Maximum Operating Temperature

600 °F

For Fluid Type

Ultra Broad Range
General/Other
Oil

Color

White
Turquoise
Gold
Gray
Black
Brown
Tan
Purple
Translucent
Natural

Durometer

55 to 72 Shore D

Thermal Application Type

Low Temperature (< -30°F)
Expanded Low and High Temperature (< -30°F, > 250°F)

Polymer Material Options

Polytetrafluoroethylene (PTFE, mPTFE, TFM, Polon®)
Ultra-High Molecular Weight Polyethylene (UHMW-PE)
Thermoplastic Copolyester Elastomer (TPC, TPE)

Industry Application

Difficult environments which may include: Harsh chemicals and solvents, Abrasive media, High temperatures to +600F, Cyrogenic temperatures down to -450F, Unlubricated applications, Low friction requirements, High pressures to 10000

Specifications Met

FDA/NSF Compliant

Media

Multiple

Maximum Surface Speed

0.5 m/sec

Seal Type

Symmetrical Spring-Energized U-cup with Beveled Lip Style for Maximum Sealing Ability on ID and OD

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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