Weldable Glass Viewport


  • Vacuum rating of 1×10-8 torr
  • Maximum temperature: 150°C
  • Body is manufactured from 304 stainless steel
  • Viewing window is borosilicate glass (Borofloat® 33)
  • FKM seal
  • Aluminum retaining flange
  • Avoid thermal changes in excess of 10°C/minute
  • Do not expose to pressure above 1 atmosphere

Options: Call for price and availability

  • Larger sizes
  • Custom lengths

*Dimensions are in inches unless otherwise specified

Part IDReference NumberA B C Description View Diameter 3D CADDrawingUnit PriceIn StockQty, Add To Cart
Part ID9118003Reference Number250-WVP-2.50A 4.47B 2.88C 2.5Description 2.5 in. Weldable Glass ViewportView Diameter 2.383D CADLoginDrawingLoginUnit Price$360.002
Part ID9118001Reference Number400-WVP-3.812A 5.97B 2.88C 4Description 4 in. Weldable Glass ViewportView Diameter 3.883D CADLoginDrawingLoginUnit Price$418.50Contact
Part ID9118002Reference Number600-WVP-6.00A 7.97B 2.88C 6Description 6 in. Weldable Glass ViewportView Diameter 5.883D CADLoginDrawingLoginUnit Price$499.50Contact