Invalco CTF Series Flex Tube Displacer

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Invalco CTF Series Flex Tube Displacer

The CTF (Control, Throttling) Series Flex Tube® has been an industry standard for over five decades in fluid level control. Its simplicity, reliability, ease of maintenance, and rugged construction have made it popular where downtime for repairs could be critical to processes or where minimum maintenance is desirable.


Operating Mode Pneumatic Throttling Direct or Reverse (reverse action obtained by rotating control head 180°).
Process Connection Steel; MNPT, grooved, ANSI flange, ACME thread hammer union.
Working Pressure 0 to 1500 psi
Temperature Limits 250°F (with solid PVC displacers), 175°F (on sight glass models and acrylic displacers) high temperature aluminum displacers and Pyrex sight glasses are available. Consult factory.
Enclosures • General Purpose: Die cast aluminum, gasketed cover, screened vent.
• Weatherproof: molded fiberglass polyester, GE Lexan Margard® Window, quick release latches, knockout seal provision.
Supply Pressure 20 to 30 psi
Supply Pressure 1/4” FNPT
Output Connection 1/4” FNPT
Gas Consumption • 35 SCFH average at full bleed.
• Assuming 1 snap per minute.
Flexture Tube 304 S.S.
Displacers See download.

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