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Datasheet generated 2026-06-07
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Helicoflex HN200 Metal O-Ring

Technetics · Seals & Gaskets · O-Rings · USA · technetics.com
Part Number
HN200-150  ·  HS 4016.93
Helicoflex HN200 Metal O-Ring

Plastically-deformed Inconel 718 C-ring with silver jacket. Ultra-high-vacuum + cryogenic + high-temperature service where elastomers fail.

Technical Specifications

MaterialInconel 718 spring + silver jacket
SizeØ150mm face seal
Temperature-269 to +650°C
PartHN200-150

Properties

MaterialInconel 718 spring + silver jacket
Temperature range-269 to +650°C
Standard sizeØ150mm face seal
MOQ1

Compatibility

Vacuum flanges, cryogenic storage, nuclear. Requires compatible sealing flange with minimum 800 HV surface hardness.

Standards

Approvals