Series GL Double Cylinder Wall Tank Level Indicators -- GL050PP1
from Plast-O-Matic Valves, Inc.

Advantages of Series GL Level Indicators: Large 360 ° viewing area. Custom lengths and connections available. Wide choice of select plastic materials to assure maximum chemical compatibility. Little or no maintenance required. No special hardware required for installation (completely assembled... [See More]

  • Body / Housing: Natural Polypropylene
  • Connection Type: Threaded - NPT; BSP
  • Window Shape: Full View
  • Thread or Flange Size:: 0.5000
Clean-Sight Window
from Wyssmont Company, Inc.

The Wyssmont Clean-Sight Window is for continuous observation of sealed systems where cleaning the inside face of a sight glass is necessary during operation. In many sight glasses the inside face clouds up so it can no be longer be used by operating personnel. Wyssmont's Clean-Sight solves this... [See More]

  • Body / Housing: Aluminum; Steel - Stainless; Cast Iron
  • Connection Type: Flanged
  • Window Shape: Circular
  • Window Diameter, Length: 5.75
Window Units
from Bijur Delimon International

Application. Window units are virtually flush-mounted. One piece construction features a corrosion resistant chrome plated brass frame, holding a clear glass window, with an oil proof sealing gasket. There are three types: Standard Type: Used to indicate the level of non-corrosive liquid in... [See More]

  • Body / Housing: Copper Alloy (Brass / Bronze); Chrome plated
  • Connection Type: Flush Mount
  • Window Shape: Circular
  • Window Diameter, Length: 0.6250 to 1.75
Dome Shaped Level Indicator -- HCFE/C
from Elesa U.S.A. Corporation

Resistant to solvents oil, grease and other chemical agents [See More]

  • Body / Housing: Polyamide
  • Connection Type: Threaded Straight
  • Window Shape: Circular
  • Thread or Flange Size:: 0.5000 to 1
Threaded Connection Sight Window -- EFI S5100
from Ernst Flow Industries

This model is designed for threading onto male thread end of a pipe fitting [See More]

  • Body / Housing: Steel - Carbon (optional feature); Steel - Stainless (optional feature); Iron
  • Connection Type: Threaded - NPT
  • Window Shape: Circular
  • Thread or Flange Size:: 1 to 6
Medium Pressure-Fused Glass -- 322-1
from John C. Ernst & Co., Inc.

No glass retaining ring, glass fused to ID bore of the steel body [See More]

  • Body / Housing: Plated Steel
  • Connection Type: Threaded - NPT
  • Window Shape: Circular
  • Thread or Flange Size:: 1