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KF Flanged Exotic Lens Viewports

Features of KF Flanged Exotic Lens Viewports

  • Constructed from top-quality materials that meet UHV standards.
  • Compatible with vacuum systems that can achieve high vacuum levels.

Charts

Ordering Table

Drawing Flange / Mounting Window Material Wavelength Optimization View Area Window Thickness Flange Material Thermal Range Coating Type PartNumber
Tooltip DN16CF (1.33" OD) Calcium Fluoride (CaF2) — 0.40 0.078 304L SS -100C to 200C — VPZL-133UC
Tooltip DN16CF (1.33" OD) Calcium Fluoride (CaF2) — 0.40 0.078 316LN SS -100C to 200C — VPZL-133UCNM
Tooltip DN16CF (1.33" OD) Magnesium Fluoride (MgF2) — 0.40 0.078 304L SS -100C to 200C — VPZL-133UM
Tooltip DN16CF (1.33" OD) Magnesium Fluoride (MgF2) — 0.40 0.078 316LN SS -100C to 200C — VPZL-133UMNM
Tooltip DN16CF (1.33" OD) Zinc Selenide (ZnSe) 8-12 microns 0.40 0.078 304L SS -100C to 200C Broadband Anti-Reflective (Both Sides) VPZL-133UZC
Tooltip DN16CF (1.33" OD) Zinc Selenide (ZnSe) 8-12 microns 0.40 0.078 316LN SS -100C to 200C Broadband Anti-Reflective (Both Sides) VPZL-133UZCNM
Tooltip DN16CF (1.33" OD) Zinc Selenide (ZnSe) — 0.40 0.078 304L SS -100C to 200C — VPZL-133UZ
Tooltip DN16CF (1.33" OD) Zinc Selenide (ZnSe) — 0.40 0.078 316LN SS -100C to 200C — VPZL-133UZNM
Tooltip DN35CF-DN40CF (2.75" OD) Germanium (Ge) — 0.90 0.098 304L SS -100C to 200C — VPZL-275GE
Tooltip DN35CF-DN40CF (2.75" OD) Calcium Fluoride (CaF2) — 0.90 0.098 304L SS -100C to 200C — VPZL-275UC
Tooltip DN35CF-DN40CF (2.75" OD) Calcium Fluoride (CaF2) Grade 157 — 0.90 0.098 304L SS -100C to 200C — VPZL-275UCEU
Tooltip DN35CF-DN40CF (2.75" OD) Crystal Quartz (SiO2) — 0.90 0.098 304L SS -100C to 200C — VPZL-275UCQ
Tooltip DN35CF-DN40CF (2.75" OD) Magnesium Fluoride (MgF2) — 0.90 0.098 304L SS -100C to 200C — VPZL-275UM
Tooltip DN35CF-DN40CF (2.75" OD) Magnesium Fluoride (MgF2) Grade 157 — 0.90 0.098 304L SS -100C to 200C — VPZL-275UMEU
Tooltip DN35CF-DN40CF (2.75" OD) Zinc Selenide (ZnSe) — 0.90 0.098 304L SS -100C to 200C — VPZL-275UZ
Tooltip DN35CF-DN40CF (2.75" OD) Zinc Selenide (ZnSe) 8-12 microns 0.90 0.098 304L SS -100C to 200C Broadband Anti-Reflective (Both Sides) VPZL-275UZC
Tooltip DN63CF (4.50" OD) Germanium (Ge) — 1.88 0.150 304L SS -100C to 200C — VPZL-450GE
Tooltip DN63CF (4.50" OD) Calcium Fluoride (CaF2) — 1.88 0.150 304L SS -100C to 200C — VPZL-450UC
Tooltip DN63CF (4.50" OD) Crystal Quartz (SiO2) — 1.88 0.150 304L SS -100C to 200C — VPZL-450UCQ
Tooltip DN63CF (4.50" OD) Magnesium Fluoride (MgF2) — 1.88 0.150 304L SS -100C to 200C — VPZL-450UM
Tooltip DN63CF (4.50" OD) Zinc Selenide (ZnSe) — 1.88 0.150 304L SS -100C to 200C — VPZL-450UZ
Tooltip DN63CF (4.50" OD) Zinc Selenide (ZnSe) 8-12 microns 1.88 0.150 304L SS -100C to 200C Broadband Anti-Reflective (Both Sides) VPZL-450UZC

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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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