W11-FN

FEMALE NPT SIGHT WINDOW

DOCUMENTS

Benefits & Features

  • 150 PSIG Service
  • Provides direct visual observation of process in vessels
  • Designed to be threaded onto the end of pipe for viewing in any position
  • Sizes 1” to 6” FNPT

Standard Specifications

1” - 6” 150 PSI*
Wetted MaterialsNon-Wetted Materials
Vessel Flange TypeVessel FlangeGasketGlassCoverCushionsFastenersNon-Steam Pressure Ratings
Female NPT ThreadedCarbon SteelNeopreneTempered BorosilicateCarbon Steel (Painted)Klingersil® C-4401Plated Steel150 PSIG @ 250°F
316SS/316LSSPTFE150 PSIG @ 400°F

*Optional materials are available for cover, glass, gaskets and fasteners. See matrix below or consult factory.
 

Dimensions

Flange SizeDiameterViewing DiameterFlange to Flange Height
1”4.25”1.31"1.25"
1-1/4"4.63"1.38"1.38"
1-1/2”5.00”1.88"1.50"
2”6.00”2.00"1.63"
2-1/2"7.00"3.00"2.12"
3”7.50”3.12"2.38"
4”9.00”4.25"2.38"
5"10.00"5.00"2.38"
6”11.00”6.63"2.63"

Options

  • Dual Window available for added protection
  • See Matrix below for standard options

Application Notes:

  • Saturated Steam Service: Contact factory
  • Potable Water: Carbon Steel pads are not suitable for potable water, but 316LSS pads are suitable
  • Vacuum Service: Contact factory
  • Gaseous Service: Not acceptable
  • Compatibility: Before ordering, verify all materials are compatible with the service media(s), intermittently used cleaners, the environment, and cleaning processes in conjunction with the temperatures and pressures of the application(s) and future applications. Ernest Instruments does not make chemical compatibility recommendations. Compatibility is the responsibility of the user and/or specifying party.

Warning WARNING: This product can expose you to certain chemicals, which are known to the State of California to cause cancer or birth defects or other reproductive harm. For more information go to: www.P65Warnings.ca.gov
 
Replacement Parts

  • Please contact our Sales Dept. sales@ernstinstruments.com or call 888-943-5000

MATRIX NO. MATRIX

W11 FN Matrix Order