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Spring Material of HiPerSeal
Code | Material | V-type & U-type | C-type | H-type | F-type |
---|---|---|---|---|---|
1 | 301 Stainless Steel | Standard | ✓ | Standard | |
2 | Hastelloy® C276 | ✓ | ✓ | ✓ | |
3 | 17-7 PH Stainless Steel | Standard | |||
4 | lnconel® 718 | ✓ | |||
5 | Elgiloy® | ✓ | |||
6 | 302 Stainless Steel | Standard | |||
7 | 304 Stainless Steel | ✓ | |||
8 | 316 Stainless Steel | ✓ | ✓ | ✓ |
V-type HiPerSeal with Cantilever Spring

Features
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V-shape spring with moderate spring rate (ratio of load vs. Deflection) .
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Long beam leg design puts the spring load exact at leading edge of PTFE seal.
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Replace Standard Inch fractional and AS 568A O-ring without any modification.
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Standard spring is made of austenite series stainless steel.
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Other special corrosion resistant materials such as Hastelloy®, Elgiloy® are also available.
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Temperature range from -150°C to 260°C.
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Vacuum to 210kg/cm2 standard and 700kg/cm2 extended heel.
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Optional scraper lip design for abrasive medias or environment.
Recommended Applications
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Reciprocating rod and piston seal.
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Rotating shaft with speed 4 m/s max.
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Wide tolerance and misaligned glands (static).
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Face seal for external or internal pressure environment.
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Dynamic applications up to 260°C.
H-type HiPerSeal with Helical Wound Ribbon Spring

Features
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High spring rate for medium and heavy load application.
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Produces evenly distributed load across each individual band.
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Replace Standard Inch fractional and AS 568A O-ring without any modification.
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Standard spring is made of stainless steel, but NACE compliant Elgiloy® and Hastelloy® springs are also available.
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Temperature range from -150 to 300°C
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Vacuum to 210 kg/cm2 standard and 700kg/cm2 extended heel.
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Not suitable for wide gland tolerances, eccentricity or misalignment.
Recommended Applications
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Face seal for external or internal pressure environment
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Static rod and piston seal
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Very slow dynamic seals
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Vacuum and cryogenic sealing application
C-type HiPerSeal with Canted Coil Spring

Features
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C-shape spring with very flat spring rate (load vs.deflection curve).
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Available in several different spring loads.
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Standard 302 series stainless steel springs.
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Hastelloy springs also available upon request.
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Available face seal shapes for internal or external pressure application.
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Not the best choice for the abrasive medias due to the geometry.
Recommended Applications
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Reciprocating rod and piston seal.
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Rotaryshafts< 1.5 m/s.
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Friction sensitive applications.
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Diameter<1/2” and Cross sections < 3/32”.
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Wide tolerance and misaligned glands.