Low design tightening pressure Y 'Ultra High Vacuum Delta Seal' for the semiconductor field

Delta Seal (HNV HELICOFLEX(R) DELTA) achieves ultra-high vacuum! [Standardized for JIS V-groove flanges]

last updated Jun 21, 2024

"Delta Seal HNV" Spring-loaded C-ring for ultra-high vacuum metal seal

UHP/UHV, ultra-high purity, ultra-high vacuum, advanced metal sealing solutions for ultra-low temperature.

last updated Jun 21, 2024

[For the semiconductor industry] Replacement of rubber O-rings with spring-loaded C-rings HNRV

No need to change the size or number of existing bolts? A must-see for those struggling with "wanting to eliminate gas permeation and gas release from vacuum rubber O-rings" in semiconductor manufacturing equipment!

last updated Sep 03, 2025

Replace the rubber O-ring with a spring-energized metal C-ring! "Delta Beta HNRV"

"Replace rubber O-ring to metal seal, Eliminate gas permeation and gas release." This can be possible with Delta Beta HNRV.

last updated Aug 15, 2025

Metal seal adoption case: Chemical substance canister for semiconductor manufacturing

Good news for substances that cannot use resin or elastomer seal materials! By adopting metal seals, helium leak tightness has been achieved.

last updated Jun 21, 2024