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ASA HV Flanges – Rotatable Grooved
ASA HV Flanges

Made from 304L stainless steel, ASA flanges are available in four variations: fixed flat, rotatable flat, fixed grooved, and rotatable grooved.
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ASA HV Nipples

Fabricated from 304L stainless steel, our range of nipples includes full, half, and reducer types, all available with a variety of ASA flange options. These nipples provide reliable, durable connections for different system configurations.
ASA HV Radius 90° Elbows (Grooved Flanges)
ASA HV Elbows

Fabricated from 304L stainless steel with both radius and mitered 90° elbows with a variety of ASA flange options.
ASA HV Tees (Grooved & Flat Flanges)
ASA HV Tees

Fabricated from 304L stainless steel with a variety of ASA flange options.
ASA HV 4-Way Crosses (grooved flanges)
ASA HV Crosses

Fabricated from 304L stainless steel, we offer 4-way, 5-way and 6-way crosses with a variety of ASA flange options.
ISO-F HV Bolt Kits (tapped flanges)
ASA HV O-Rings & Hardware

Replacement o-rings and bolt sets for mating ASA flanges.

ASA HV Flanges & Components for High Vacuum Applications

ThinFilmMaterials provides a full line of ASA HV Flanges & Components engineered for high-vacuum (HV) systems operating down to 10⁻⁸ Torr. These robust flanges follow the American Standard ASA flange specification and are ideal for large-diameter vacuum connections where strength, alignment, and ease of assembly are critical.

Our ASA HV Flanges are machined from high-quality stainless steel, aluminum, or custom-requested alloys, and are compatible with both O-ring and metal gasket sealing depending on the application. Components include blank flanges, reducing flanges, bored flanges, and corresponding hardware sets—designed for flexibility in research, industrial, and vacuum furnace systems.

Key Features:

  • Standard: ASA-type bolt-circle flanges per ANSI/ASME B16.5

  • Materials: 304/304L stainless steel, aluminum, and other alloys available

  • Sizes: 1.5″ to 24″ outer diameter, including custom configurations

  • Sealing options: Elastomer O-rings or knife-edge groove for copper gasket sealing

  • Compatible with roughing lines, forelines, and large vacuum chambers

Applications:

ASA HV Flanges & Components are widely used in:

  • High-vacuum process systems and large vacuum chambers

  • Thermal processing and heat treatment equipment

  • Vacuum metallurgy and space simulation chambers

  • Thin film deposition systems and load-locks

  • Custom UHV/HV integration modules

ThinFilmMaterials supports both standard and custom ASA flange configurations, with optional surface finishes, bolt kits, centering rings, and vacuum-compatible cleaning. Our products ensure reliable vacuum sealing, high mechanical strength, and dimensional compatibility across major vacuum platforms.

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