CSG Sight Gauge

Rubber Fab's Caged FEP Sight Gauge is constructed for high pressure applications. It is sturdy which makes it favorable for high stress applications and will not impart taste or odor. The CSG Sight Glass has a smooth, non-stick surface which cleans easily and promotes minimal pressure drop.

TEMPERATURE: -25°F to 300°F
END CONNECTIONS: 316L stainless steel sanitary Tri-Clamps®



ID Inch

OD Inch

Wall Thickness
Max. Working Pressure @70˚F
12RFCSG0.751.000.12150 psi
16RFCSG1.001.250.12250 psi
24RFCSG1.501.750.12200 psi
32RFCSG2.002.250.12100 psi
40RFCSG2.502.750.13100 psi
48RFCSG3.003.250.13100 psi
64RFCSG4.004.250.13100 psi
This product is factory fabricated. Consult factory for individual length limits.


  • High pressure
  • Liquid level indicators
  • Sturdy, favorable in high stress applications
  • High and low temperature rated
  • Smooth, non-stick surface cleans easily and promotes minimal pressure drop
  • Non-contaminating
  • Will not impart taste or odor
  • Shatterproof tube   
  • Will not discolor
  • Unaffected by ultraviolet or sunlight
  • 3-A Sanitary Standards 62-02
    3-A Logo
  • FDA 21 CFR 177.1550
  • USDA
  • USP Class VI