Product Description

Quest-Tec Solution’s Sight Flow Indicator is straightforward and dependable way to determine the flow of liquid in a process line for low pressure industrial, sterile, and hygienic applications. Horizontal installation provides direct views through a transparent sight tube for clear visibility.  Minimal wetted parts and construction elements make the Quest-Tec Sight Flow Indicator maintenance-free. Containing only an armored shield, sight tube, self-sealing Teflon® Max-Seal inserts, and Borosilicate sight tubing. Removal or disassembly of the Sight Flow is not required once installed, even for routine cleanings and inspections. Quest-Tec Solution’s Sight Flow Indicators are 100% welded to secure bolting and solidify seals in cases of heavy vibration to prevent leaks.

Product Features

  • Single Tube (Model QSF) & Double Tube (Model QDSF) options available in Armored and Full View Styles
  • Borosilicate Glass & PTFE Teflon® wetted parts for high temp corrosive processes applications
  • Mechanical Press Fit Seal on the outside diameter of the glass sight tube. Designed to  eliminate stresses caused by differential expansion between the housing and sight tube preventing leaks
  • Polycarbonate Protective Shield for Double Tube Sight Flow Indicators. Safeguards  borosilicate glass with an open 360° view
  • 100% testing. Each internal chamber hydrostatic pressure tested
  • Variation of sizing options available diameters of 1” – 10” in lengths up to 60”
  • Flanged or Sanitary Fittings available on all models

Product Specifications

Size½” – 4”
Length8” – 60”
StyleSingle Tube & Double Tube
Shield MaterialsCPVC, Carbon, 316 SST
RatingFV-275 PSI