SERIES S19F FLANGED

SHIELDED CYLINDER SIGHT FLOW INDICATOR

(Was Models 217, 266)

Standard Features:

  • PTFE and Borosilicate Glass are the only wetted parts
  • Protective Metal Shield around most of the glass

Connection Sizes:

  • 1/2″ to 4″ Flanged

Standard Ratings:

Standard Ratings (PSIG)
Units1/2” to 1½”22-1/2”3"4"
Carbon Steel150 @ 300°F120 @ 300°F100 @ 300°F85 @ 300°F90 @ 300°F
316SS150 @ 300°F120 @ 300°F100 @ 300°F85 @ 300°F90 @ 300°F

Note: Ratings are limited by standard gasket types. For higher ratings refer to drawings or consult Sales Dept.
Standard Materials:

Standard Materials
WettedNon-Wetted
UnitsFlange InsertGasketsGlassFlange/Body
Carbon SteelPTFEFluorocarbonBorosilicateZinc Plated CS
316SS316SS

Standard Lengths:

Standard Lengths
SizeOverall Length ±1/8”Visible LengthVisible Width
1/2"6-1/8”4-3/4”5/8”
3/4”6-3/8”4-7/8”7/8”
1”6-3/8”4-7/8”1”
1-1/2”6-3/4”5”1-1/4”
2”7-5/8”5-3/4”1-1/4”
2-1/2”7-7/8”5-3/4”1-1/2”
3”8-1/8”5-7/8”1-3/4”
4”8-1/8”5-7/8”1-3/4”

Options:

  • Buna-N or Ethylene Propylene (EPDM) Seals
  • Custom Overall Lengths Up to 36″

Application Notes:

  • Steam Service: Not acceptable
  • Potable Water: The glass has not been tested and certified to be acceptable for potable water
  • Vacuum Service: Not acceptable
  • Gaseous Service: Not designed 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 LLC. does not make chemical compatibility recommendations. Compatibility is the responsibility of the user.

Replacement Parts:

  • Please contact our sales department

Alternate Equipment:

Model Number Matrix
Model Number Matrix