• Full Protective Polycarbonate Shield (UV stabilized)
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S18 Series Flanged Full View Shielded Stainless Steel Sight Flow Indicators

Sight Flow Indicator
S18 Series Flanged Full View Shielded Carbon Steel Sight Flow Indicators

Sight Flow Indicator
S18 Series Flanged Full View Shielded Stainless Steel Sight Flow Indicators

Sight Flow Indicator
S18 Series Flanged Full View Shielded Carbon Steel Sight Flow Indicators

Sight Flow Indicator
S18 Series Flanged Full View Shielded Carbon Steel Sight Flow Indicators

Sight Flow Indicator
Series N/A S18F
Indicating Device N/A None
Size N/A 3/4 in N/A 3/4 in N/A 1/2 in N/A 1/2 in N/A 1 in
End Connections N/A 150 lb Flange
Body Material N/A 316 Stainless Steel N/A Carbon Steel N/A 316 Stainless Steel N/A Carbon Steel N/A Carbon Steel
Gasket Material N/A PTFE N/A Neoprene N/A PTFE N/A Neoprene N/A Neoprene
Flange Material N/A 316 Stainless Steel N/A Carbon Steel N/A 316 Stainless Steel N/A Carbon Steel N/A Carbon Steel
Hardware N/A N/A Plated Steel N/A Plated Steel N/A Plated Steel N/A Plated Steel
Pressure Rating @ 400 ºF N/A 150 PSIG N/A N/A 150 PSIG N/A N/A
Pressure Rating @ 250 ºF N/A N/A 150 PSIG N/A N/A 150 PSIG N/A 140 PSIG
Shield N/A Polycarbonate
Cylinder Material N/A Borosilicate
Visible Diameter/Length N/A 2.75 in
Length N/A 3.88 in N/A 3.88 in N/A 3.88 in N/A 3.88 in N/A 4.00 in
Width N/A 4.25 in N/A 4.25 in N/A 3.50 in N/A 3.50 in N/A 4.25 in
Height N/A 4.25 in N/A 4.25 in N/A 3.5 in N/A 3.5 in N/A 4.25 in
Weight N/A 4 lbs N/A 4 lbs N/A 3.00 lbs N/A 3.00 lbs N/A 5 lbs
Packaging Material N/A Cardboard Box
Type N/A Plain
Options N/A
  • Up to 400ºF Rating
  • Lengths up to 18"
  • Buna-N, Fluorocarbon (EKM), Expanded PTFE, and Ethylene Propylene (EPDM) Gaskets
  • Polycarbonate Tube
  • SS Hardware
  • PTFE Lined Inserts
Application Notes N/A
  • Steam Service: Not acceptable
  • Potable Water: This unit has not been tested and certified to be 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.
Replacement Parts N/A Please contact our sales department