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CF Flanged Quartz (Fused Silica) Non-Magnetic Viewports

Features of CF Flanged Quartz (Fused Silica) Non-Magnetic Viewports:

  • Constructed using premium-grade materials adhering to Ultra-High Vacuum (UHV) standards.
  • Suitable for integration with vacuum systems capable of achieving UHV conditions.
  • Sealable with fully annealed copper gaskets to minimize stress-induced effects.
  • In case of material deposition during processes, we highly recommend utilizing a viewport shutter, as deposits can degrade and compromise the optical clarity of the lens.

Charts

Ordering Table

Drawing Flange / Mounting Window Material View Area Window Thickness Flange Material Thermal Range Flatness PartNumber
Tooltip DN16CF (1.33" OD) Corning HPFS 7980 Fused Silica 0.63 0.085 316LN SS -100C to 200C λ/4 @ 632nm Transmitted Wavefront VPZL-133DUNM
Tooltip DN16CF (1.33" OD) Corning HPFS 7980 Fused Silica 0.60 0.085 Titanium (Grade 5) -100C to 200C λ/4 @ 632nm Transmitted Wavefront VPZL-133DUTI
Tooltip DN16CF (1.33" OD) Corning HPFS 7980 Fused Silica Excimer Grade 193 0.63 0.085 316LN SS -100C to 200C λ/4 @ 632nm Transmitted Wavefront VPZL-133EUNM
Tooltip DN16CF (1.33" OD) Corning HPFS 7980 Fused Silica Excimer Grade 193 0.60 0.085 Titanium (Grade 5) -100C to 200C λ/4 @ 632nm Transmitted Wavefront VPZL-133EUTI
Tooltip DN16CF (1.33" OD) Corning HPFS 7980 Fused Silica 0.63 0.085 316LN SS -100C to 200C 10 Waves @ 632nm Transmitted Wavefront VPZL-133QNM
Tooltip DN16CF (1.33" OD) Corning HPFS 7980 Fused Silica 0.60 0.085 Titanium (Grade 5) -100C to 200C 10 Waves @ 632nm Transmitted Wavefront VPZL-133QTI
Tooltip DN35CF-DN40CF (2.75" OD) Corning HPFS 7980 Fused Silica 1.40 0.125 316LN SS -100C to 200C λ/4 @ 632nm Transmitted Wavefront VPZL-275DUNM
Tooltip DN35CF-DN40CF (2.75" OD) Corning HPFS 7980 Fused Silica 1.40 0.125 Titanium (Grade 5) -100C to 200C λ/4 @ 632nm Transmitted Wavefront VPZL-275DUTI
Tooltip DN35CF-DN40CF (2.75" OD) Corning HPFS 7980 Fused Silica Excimer Grade 193 1.40 0.125 316LN SS -100C to 200C λ/4 @ 632nm Transmitted Wavefront VPZL-275EUNM
Tooltip DN35CF-DN40CF (2.75" OD) Corning HPFS 7980 Fused Silica Excimer Grade 193 1.40 0.125 Titanium (Grade 5) -100C to 200C λ/4 @ 632nm Transmitted Wavefront VPZL-275EUTI
Tooltip DN35CF-DN40CF (2.75" OD) Corning HPFS 7980 Fused Silica 1.40 0.125 316LN SS -100C to 200C 10 Waves @ 632nm Transmitted Wavefront VPZL-275QNM
Tooltip DN35CF-DN40CF (2.75" OD) Corning HPFS 7980 Fused Silica 1.40 0.125 Titanium (Grade 5) -100C to 200C 10 Waves @ 632nm Transmitted Wavefront VPZL-275QTI
Tooltip DN63CF (4.50" OD) Corning HPFS 7980 Fused Silica 2.69 0.250 Titanium (Grade 5) -100C to 200C λ/4 @ 632nm Transmitted Wavefront VPZL-450DUTI
Tooltip DN63CF (4.50" OD) Corning HPFS 7980 Fused Silica 2.69 0.250 316LN SS -100C to 200C λ/4 @ 632nm Transmitted Wavefront VPZL-450DUNM
Tooltip DN63CF (4.50" OD) Corning HPFS 7980 Fused Silica Excimer Grade 193 2.69 0.250 316LN SS -100C to 200C λ/4 @ 632nm Transmitted Wavefront VPZL-450EUNM
Tooltip DN63CF (4.50" OD) Corning HPFS 7980 Fused Silica Excimer Grade 193 2.69 0.250 Titanium (Grade 5) -100C to 200C λ/4 @ 632nm Transmitted Wavefront VPZL-450EUTI
Tooltip DN63CF (4.50" OD) Corning HPFS 7980 Fused Silica 2.69 0.250 316LN SS -100C to 200C 10 Waves @ 632nm Transmitted Wavefront VPZL-450QNM
Tooltip DN63CF (4.50" OD) Corning HPFS 7980 Fused Silica 2.69 0.250 Titanium (Grade 5) -100C to 200C 10 Waves @ 632nm Transmitted Wavefront VPZL-450QTI
Tooltip DN100CF (6.00" OD) Corning HPFS 7980 Fused Silica 3.88 0.250 316LN SS -100C to 200C 10 Waves @ 632nm Transmitted Wavefront VPZL-600QNM
Tooltip DN100CF (6.00" OD) Corning HPFS 7980 Fused Silica 3.88 0.250 316LN SS -100C to 200C λ/4 @ 632nm Transmitted Wavefront VPZL-600DUNM
Tooltip DN100CF (6.00" OD) Corning HPFS 7980 Fused Silica Excimer Grade 193 3.88 0.250 316LN SS -100C to 200C λ/4 @ 632nm Transmitted Wavefront VPZL-600EUNM

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FAQ

Tube fittings are designed for tubes (measured by outside diameter and wall thickness) used in high-pressure and instrumentation applications, whereas pipe fittings are for pipes (identified by nominal pipe size) primarily used in fluid transport.

 

Common valve types include ball valves, gate valves, check valves, butterfly valves, and globe valves. Each serves a specific function—from quick shutoff (ball/gate valves) to flow regulation (globe valves).

 

  • For tubing, measure the outside diameter; for pipes, refer to the nominal pipe size (using conversion charts if needed). Always match the valve or fitting size to your pipe’s dimensions and flow requirements.

  • Frequently used thread types include NPT (National Pipe Tapered), BSP (British Standard Pipe), and UNC, along with slip-fit options that rely on compression or fusion rather than threads.

Interchangeability depends on manufacturer specifications and certification. Always verify compatibility via manufacturer guides or certified interchangeability charts.

 

  • A coupling is a short, straight fitting used to join two pipes or tubes. It provides a secure, leak-tight connection and can sometimes serve to extend or repair piping runs.

Consider valve type, pressure and temperature ratings, material compatibility with your fluid, actuation method (manual or automatic), and maintenance requirements.

 

  • Valves regulate flow by opening, closing, or partially obstructing the pathway. Their mechanisms (such as the rotation of a ball or the linear movement of a gate) determine the speed and precision of flow control.

  • A flange is a flat, circular component used to connect pipes, valves, or other equipment. Bolted together with gaskets, flanges provide a secure, leak-proof joint that facilitates both assembly and maintenance.

  • Manual valves require physical operation via handles or levers, whereas actuated valves use mechanisms—pneumatic, electric, or hydraulic—to open and close automatically or remotely.

  • Issues include leaks caused by improper installation, over-tightening, degraded seals, material incompatibility, and fatigue from repeated cycling. Regular inspection and proper installation practices help mitigate these problems.

Regular maintenance involves periodic inspections, cleaning or replacing worn seals, ensuring proper torque during installation, and adhering to manufacturer guidelines and local plumbing codes to preserve system integrity.

 

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