SERIES S18FL FLANGED

FULL VIEW SHIELDED SIGHT FLOW INDICATOR WITH PTFE INSERT

(Was Model 205, 255)

Standard Features:

  • Full Protective Polycarbonate Shield (UV stabilized)
  • No Wetted Metal Parts

Connection Sizes:

  • 1″ to 6″ 150Lb Flanges

Standard Ratings:

STANDARD LENGTHS
PRESSURE RATINGS (PSIG)
SizeOverall LengthVisible Length316SS@400°F
1”4-1/8”2-3/4”140 PSIG
1-1/2”4-1/8”2-1/2”105 PSIG
2”4-7/8”3”75 PSIG
2-1/2”5-1/2”3-1/2”60 PSIG
3”5-1/2”3-1/2”65 PSIG
4"7-5/8”5-9/16”45 PSIG
6”10-1/2”8-3/8”35 PSI
12-1/8” LENGTHS
PRESSURE RATINGS (PSIG)
SizeOverall LengthVisible Length316SS @250°F
1-1/2”12-1/8”10-1/2”105 PSIG
2”12-1/8”10-1/4”75 PSIG
2-1/2”12-1/8”10-1/8”60 PSIG
3”12-1/8”10-1/8”65 PSIG
4”12-1/8”10-1/16”45 PSIG
6”12-1/8”10”35 PSIG

Note: Ratings are limited by standard gasket types. Refer to drawings or consult Sales for additional options or ratings.

Standard Wetted Materials:

  • Insert :PTFE
  • Glass: Borosilicate Cylinder

Standard Non-Wetted Materials:

  • Hardware: Stainless Steel
  • Shield: Polycarbonate
  • Insert Cushion :Klingersil® C-4401

Options:

  • Up to 400°F Rating
  • Lengths up to 18″ (For Sizes 1½” to 4″)

Application Notes:

  • Steam Service: Not acceptable
  • Potable Water: This unit has not been tested and certified to be acceptable for potable water
  • Vacuum Service: No
  • 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 Co. 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