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Verify flow of process media and CIP in pharmaceutical and biotech process systems, or anywhere sterile service is required. Sterile sight flow indicators mount via sanitary clamps to provide hygienic connections and allow for easy disassembly and cleaning. Choose from traditional opposed window design or tubular glass design.

MetaClamp® Sanitary Sight Flow Indicator
This in-line sight flow indicator incorporates a ferule fitted with two opposing MetaClamp® sight glass windows.
  • MetaClamp® fused sight glass windows.
  • Sterilizable and autoclavable.
  • Mounting: sanitary clamp (optional orbital weld or flange available).
  • Up to 536° F.
  • Up to 150 PSI.
  • Sizes 1/2 to 6 inches.
Full View Sanitary Sight Flow Indicator (360° View)
A borosilicate glass cylinder permits full 360° observation of process media. Use where close observation of fluid characteristics is desired.
  • Full view provides 360° view.
  • Sterilizable and autoclavable.
  • Mounting: sanitary clamp (orbital weld, Swagelok TS or flange also available).
  • Up to 500° F.
  • Up to 150 PSI (depending on size).
  • Sizes 1/2 to 6 inches.
Sterile View Thru Flow Indicator for Hygienic Applications
Borosilicate glass cylinder permits 360° observation of process media. Use where close observation of fluid characteristics is required.
  • Design provides rigidity against pipeline stress.
  • Low profile (footprint).
  • Sterilizable and autoclavable.
  • Mounting: sanitary clamp (orbital weld, Swagelok TS or flange also available)
  • Up to 500° F..
  • Up to 150 PSI (depending on size).
  • Sizes: 3/8 to 4 inches.
Clamp Type Sterile Visual Flow Indicator for Hygienic Applications
Innovative design delivers better hygienic control, lower maintenance costs, and faster, more consistent installation. CT-SVFI prevents o-ring compression issues that lead to contamination associated with conventional screwed or threaded designs.
    • Sanitary clamps secure sight glass assembly
    • Mechanical stop design provides controlled compression to o-rings to eliminate gasket warping, o-ring intrusion that can trap contaminants
    • Easy assembly/disassembly
    • Largest possible viewing area, up to 34% more than other units
    • Precision bore glass
LumiFlo® LED Light for Inline Sight Glasses
The LumiFlo®  LED light, an innovative hands-free solution for inline full view sight glasses
  • Attaches to the existing sight glass
  • FDA compliant silicone enclosure
  • Prevents microbial and mildew growth
  • LED light for perfect color temperature