Hollow O Profile Extruded Seals (B Series) | Parker NA
687519
687519

Hollow O Profile Extruded Seals (B Series)

Low closure force static sealing. Typical applications of hollow O products include enclosure applications and static applications that require environmental sealing.

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Product Overview
Description
    The hollow O profile is a low closure force, easy to install sealing solution for many static applications. Hollow O profile has a compressive force of a lower durometer material and physical property of a higher durometer material. Therefore, the seals with hollow O cross sections can reduce bolt loading and the stress exerted on the mating flanges. The compressive force can be easily adjusted by changing the wall thickness of the profile without lowering the material hardness.

    TechSeal designs and manufactures the hollow O profile in standard series and friction-fit series. Friction fit means that the groove is slighter undersized from the seal cross section; therefore, the friction-fit hollow O profile is easy to install and can retain itself inside the groove. The friction-fit series are engineered to achieve self-retention as well as to reduce the chance of gland overfill.

    The hollow O profile is available in cord stock, spooled footage, spliced hollow O-ring and spliced hollow O gasket. Typical applications of hollow O products include enclosure applications and static applications that require environmental sealing.

    Hollow O-rings are an economical alternative to molded products. TechSeal can produce extremely large O-rings that are too costly to be molded. Hollow O-rings' dimensions can also be easily customized at no tooling cost, giving engineers more design flexibility.

    Material Availability: Parker TechSeal Division hollow O products are available in a broad range of materials (silicone, nitrile, EPDM / EPR, HNBR, fluorosilicone, FKM and FFKM). Specialty approved materials include UL 94 V-0, UL 157, UL 497, NSF Standard 61, USP Class VI, FDA White List, and a variety of ASTM, MIL, and SAE certified materials.
Tech Specifications
Description

Performance Characteristics

Shape

Circular

Profile

Hollow

Application

Low Closure (approx. 20 lbs/in for 30% compression)

Color

Rust
Black
Custom

Maximum Operating Temperature

400 °F
250 °F
210 °F
Custom °F

Durometer

45 to 70 Shore A
Custom

Minimum Operating Temperature

-30 °F
-65 °F
-70 °F
Custom °F

Specifications Met

UL 157
ZZR-765
A-A-59588
AMS
UL-94 HB
FDA 21 CFR Approved
NSF 61 Approved
ASTM D2000 M4GE
ASTM D2000 M4AA, M3BA, M4CA, M3DA

Product Support

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