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Flapper
Carbon Steel
Unit of Measure

Specifications

Series

 N/A S12

Former JCE Model Number

 N/A 102

Size

 N/A 1 in

End Connections

 N/A Female NPT

Type

 N/A Flapper

Window

 N/A Double

Visible Diameter/Length

 N/A 1.44 in

Weight

 N/A 4.5 lbs

Packaging Material

 N/A Cardboard Box

Flapper Material

 N/A 316 Stainless Steel

ASME Class

 N/A 150

Standard Wetted Materials

Body Material

 N/A Carbon Steel

Gasket Material

 N/A Neoprene

Indicating Device

 N/A Flapper

Rotator/Flapper Pin

 N/A 316 Stainless Steel

Lens

 N/A Tempered Borosilicate

Standard Non-Wetted Materials

Glass Retaining Rings

 N/A Brass

Standard Ratings

Pressure Rating @ 100 ºF

 N/A 285 PSIG

Pressure Rating @ 250 ºF

 N/A 245 PSIG

Dimensions

Length

 N/A 4.25 in

Width

 N/A 3.66 in

Height

 N/A 2.88 in

Application Notes

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

Replacement Parts

 N/A Please contact our sales department