UHP Metal Gasket Face Seal Fitting (sizes up to 1 inch) – VacuSeal™ | #4 BV-SS


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4 BV-SS

UHP Metal Gasket Face Seal Fitting (sizes up to 1 inch) – VacuSeal™ | #4 BV-SS

VacuSeal™ Face Seal Fittings are designed for ultra-high purity gas distribution systems. The fittings offer excellent reliability and leak integrity and are ideal for use in semiconductor manufacturing applications where cleanliness is critical.


Technical Specifications

  • Connection 3 Size (inch): NA
  • Connection 4 Size (inch): NA
  • Connection 2 Size (inch): NA
  • Connection 2 Size (mm): NA
  • Connection Size (inch): 1/4"
  • Connection Style: NA
  • Connection 2 Style: NA
  • Body Material: 316 SS
  • Product Type: Metal Nuts, Caps and Plugs
  • Overall Length: NA
  • Connection 3 Style: NA
  • Connection 4 Style: NA
  • Configuration: Female Nut
  • Options: NA
  • Product Type: Glands, Bodies, Welded Assembly, Welded Modules, Gaskets, Nuts, Caps, Plugs,
  • Body Material: Glands, Bodies, Nuts: 316, 316L, 316L VAR, 316L VIM/VAR Stainless Steel Gaskets: Nickel, Stainless Steel, Kel-F®, Teflon®
  • Connection Size: up to 1 in.; 6 to 18 mm
  • Connection Type: Tube Buttweld, Automatic Tube Buttweld, Socket Weld, NPT, A-lok, straight thread
  • Operating Temperature: up to 1000 (537°C) °F
  • Pressure Rating: up to 9,000 (620 bar) psi
Safety Warning

Item Information

VacuSeal™ Metal Gasket Face Seal Fittings provide extremely high leak integrity, making them suitable for use in critical applications where ultra-high purity conditions are required, such as semiconductor tool hook-ups, valve manifold boxes (VMBs), and gas distribution systems. The fittings feature a mating gasket and toroid design, creating a metal-to-metal seal and affording leak-free service from vacuum up to 9000 psig.

VacuSeal™ fittings range from 1/8 to 1 inch in size and come available in a variety of body and gland configurations. They are fabricated in a Class 100 cleanroom from Veriflo’s proprietary Vericlean™ low sulfur, 316L stainless steel. The standard 5 Ra, electropolished wetted surface finish reduces entrapment areas while offering exceptional corrosion resistance. Glands are available in high-purity nickel and Hastelloy C-22® to ensure performance and reliability in extremely corrosive applications.

VacuSeal™ fittings are designed to work with flat and Verfilo’s TorqTite™ self-aligning face seal gaskets, which require no tools for installation and eliminate component loosening due to thermocycling and vibration. TorqTite™ also ensures sealing, even on damaged toroids and allows for the application of extremely high torque without risk of damage to the sealing surface. This, coupled with the VacuSeal™ fittings’ ultra-high purity materials of construction, minimizes particle generation and ensures leak integrity in wafer manufacturing operations where cleanliness is of the utmost importance.

All VacuSeal™ fittings are Helium leak tested to ensure performance and reliability in demanding UHP applications.

Markets:
• Semiconductor
• Tool Fab
• Analytical Laboratory
• Pharmaceutical
• BioPharm
• Aerospace
• Industrial

Applications:
• Corrosive and specialty gases
• Semiconductor Fab Gas Distribution Systems
• Semiconductor Tools
• Tool Hook-ups
• Gas Cabinets
• Valve Manifold Boxes (VMB)

Features/Benefits:
• Two leak test ports for easy leak testing
• Leak rate: ≤1 x 10-9 STD scc/sec He
• 5 Ra internal electropolish surface finish
• Female nuts are silver-plated with an enhanced plating process for aggressive chemical processes used in cleaning, electropolishing and passivation
• Non-rotational female nut prevents transmission of torque during make-up and therefore minimizes twist of componentry, which causes stress concentration
• Anti-galling female nut ensures consistent makeup without plating or lubrication.
• Patented TorqTite™ gasket initially contacts on the inner taper, radially forcing out any entrapped contaminants
• Heat code on gland provides raw material traceability
• No axial clearance is needed to remove components from a system
• Smooth transition into the internal diameter minimizes entrapment areas


Hastelloy C-22® is a registered trademark of Haynes International, Inc.

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Where to Buy

Local Contact

South Africa Headoffice

Parker Hannifin (Africa) Pty LTD

Sales Company South Africa

10 Berne Avenue

Aeroport

Kempton Park

Gauteng

South Africa

1620

Phone

0027 11 961 0700

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