Unit of Measure
Items
100A&B Series - Double Window Sight Flow Indicator - Rotator

Sight Flow Indicator

100A&B Series - Double Window Sight Flow Indicator - Flapper

Sight Flow Indicator

100A&B Series - Double Window Sight Flow Indicator - Drip Tube

Sight Flow Indicator

100A&B Series - Double Window Sight Flow Indicator - Plain

Sight Flow Indicator

100A&B Series - Double Window Sight Flow Indicator - Rotator

Sight Flow Indicator
NMFC Item Number N/A
Number of Handling Units N/A 1
Number of Packages N/A 1
Series N/A S12
Size N/A 1/2 in
End Connections N/A Female NPT
Body Material N/A Carbon Steel N/A Carbon Steel N/A Carbon Steel N/A Carbon Steel N/A 316 Stainless Steel
Gasket Material N/A Neoprene N/A Neoprene N/A Neoprene N/A Neoprene N/A PTFE 3504
Rotor Material N/A 316 Stainless Steel N/A N/A N/A N/A 316 Stainless Steel
Indicating Device N/A Rotor N/A Flapper N/A Drip Tube N/A Plain N/A Rotor
Type N/A Rotor N/A Flapper N/A Drip Tube N/A Plain N/A Rotor
Window N/A Double
Rotator/Flapper Pin N/A 316 Stainless Steel N/A 316 Stainless Steel N/A None N/A None N/A 316 Stainless Steel
Lens N/A Tempered Borosilicate
Glass Retaining Rings N/A Brass
Pressure Rating @ 100 ºF N/A 285 PSIG N/A 285 PSIG N/A 285 PSIG N/A 285 PSIG N/A 275 PSIG
Visible Diameter/Length N/A 1.19 in
Length N/A 3.75 in
Width N/A 3.13 in
Height N/A 2.50 in
Weight N/A 3.00 lbs
Packaging Material N/A Cardboard Box
Pressure Rating @ 250 ºF N/A 245 PSIG N/A 245 PSIG N/A 245 PSIG N/A 245 PSIG N/A
Pressure Rating @ 500 ºF N/A N/A N/A N/A N/A 170 PSIG
Flapper Material N/A N/A 316 Stainless Steel N/A N/A N/A
Drip Tube Material N/A N/A N/A 316 Stainless Steel N/A N/A
ASME Class N/A 150
Options N/A
  • Buna-N, Fluorocarbon (FKM), Ethylene Propylene (EPDM), PTFE 3504/3545, Graphite, Non-Asbestos C4401 and Neoprene Gaskets
  • Tempered Borosilicate, Annealed Borosilicate and Polycarbonate
  • Gaseous Indicators
  • Exotic Body Materials
  • Various Lens Materials
  • SS Glass Retaining Rings
  • Socket Weld Connections
  • Butt Weld Connections (need schedule and length)
  • Glass Shields for Steam and Caustic Applications
  • C of C, MTR, NACE Certifications when requested at time of quotation
Application Notes N/A
  • Saturated Steam Service: Upgraded gaskets and mica shields are recommended for saturated steam service. All ratings stated on our website and in our literature are non-steam ratings unless specified otherwise. Always contact our sales office for saturated steam ratings when needed.
  • Potable Water: This Bronze indicator is not acceptable for potable water
  • Vacuum Service: Acceptable except when using with hard gaskets
  • Gaseous Service: Not acceptable for lightweight gases
  • Corrosion: Before ordering, verify all materials of our sight flow indicators 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. John C. Ernst Co. does not make chemical compatibility recommendations. Compatibility is the responsibility of the user and/or specifying party.
Replacement Parts N/A Please contact our sales department