(Was Model 6260)

Standard Features:

  • Electro-polished Surface Finish (30 Ra Max)
  • Machine Finish 180 Grit
  • 2 – 5 View Ports (Depending on Size)

Connection Sizes:

  • 1/2″ to 4″ Tri-Clamp

Standard Ratings:

Buna-N150 PSIG100 PSIG
Ethylene Propylene (EPDM)150 PSIG100 PSIG
Fluorocarbon150 PSIG100 PSIG
Silicone150 PSIG100 PSIG

Note: Ratings are dependent on ratings of clamps and gaskets (not provided). For ratings of non-standard gaskets, please consult our Sales Dept.

Standard Wetted Materials:

  • Body: 316SS
  • Internal Gaskets: Buna-N, Ethylene Propylene (EPDM) or Fluorocarbon (FKM) Gaskets
  • Glass: Borosilicate Tube

Standard Non-Wetted Materials:

  • Not Applicable


  • Polysulfone Tube (Plastic)

Application Notes:

  • Pharmaceutical Applications: Not recommended (See Series 23B)
  • Steam Service: Not acceptable
  • 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