Helical Spring Seal PTFE

100 Series:

ADVANCED HELICAL SPRING SEALS (AHS)

The 100 Series helical spring design is intended for static applications due to the high unit load. It can be used in very slow or infrequent dynamic conditions when friction and wear are secondary concerns to positive sealing. The 100 Series seal design produces an evenly distributed load across each individual band. Polymer Concepts' manufacturing maintains minimal gaps between coils. This tight spacing provides continuous load, reducing potential leak paths. This tight spacing, combined with high unit load, makes this series well suited for vacuum and cryogenic applications.

GREAT FOR STATIC OR LOW SPEED APPLICATIONS

 

helical spring seal

ADVANCED HELICAL SPRING SEAL DESIGNS

Our Helical Spring Seals are designed to fit your hardware's orientation, diameter, geometry, and size. Each Helical Spring Seal is engineered to your design’s application requirements. All of our Helical Spring Seals share common characteristics among cross sections. Below is a sample of our most common designs.

Features:

  • Helical wound flat ribbon spring offers a moderate to high spring load for static and slow dynamic conditions.
  • Seal designs are available in standard heel, extended heel, and flanged heel.
  • Available in all sizes to fit Industrial, Aerospace, and Military glands.  Custom seal sizes range .125” to 48” diameters.
  • Springs are available in 17-7 PH, 304 SS, 316 SS, and Elgiloy materials
  • Contained seal designs are available for applications where the hardware disengages the seal under pressure
  • The 100 series seals can be offered with elastomeric O-Ring energizers in place of the metallic spring.

Benefits:

  • The moderate to high spring load provides positive sealing over a wide temperature and pressure range.
  • The helical spring with tight spacing and high unit load, makes it well suited for vacuum and cryogenic applications.
  • The skived lip with sharp edge provides a scraper/wiper action for sealing abrasive and/or viscous media.
  • The 100 series seals can be supplied with an extended heel selection for improved resistance to extrusion at high pressures and high temperatures.
  • The flanged heel design is recommended for cryogenic or rotary/oscillatory applications.  The flange is clamped in the housing to prevent the seal from shrinking or turning with the shaft.

Standard Heel:

Helical Spring Standard Seal

Standard

Helical Spring Skived Inner Diameter Seal

Skived I.D.

Helical Spring Skived Outer Diameter Seal

Skived O.D.

Helical Spring Outside Face Seal

Outside Face Seal

Inside Face Seal

Extended Heel:

Standard

Skived I.D.

Skived O.D.

Flanged Heel:

Standard

Skived I.D.

Skived O.D.

SEALING APPLICATIONS

High Pressure

Static Seals

Cryogenic

Vacuum

ADV. HELICAL SPRING SEALS OPERATING SPECS.

Gland Cross Sections

1/16" to 1/4"

Operating Pressure

Vacuum to 30,000 psi and above

Temperature Range

-450°F to 600°F

Motion/Speed
Static to Slow Dynamic (reciprocating or oscillatory)

Typical Applications:

  • High-Pressure Seal
  • Offers Leak-Tight Sealing At Low Pressure
  • Cryogenic Seal
  • Vacuum Seal
  • Reverse Pressure to 100 psi
  • Static and Slow Dynamic Sealing

HELICAL SPRING SEALS IN A VARIETY OF ENGINEERED DESIGNS

Helical Spring Seal Designs

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Polymer Concepts Technologies, Inc.

13522 Manhasset Rd Apple Valley, CA 92308 USA
Phone (760) 240-4999 | Fax (760) 240-4399
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