Instrument Associates, Inc - Sentry Heat Exchangers

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Tube-In-Tube Heat Exchangers
Plate Heat Exchanger
Spiral Tube Heat Exchanger

Sentry Dual Tube Coils (DTC) are spirally wound, full counter flow heat exchangers well suited for a variety of applications where low flow rate of high temperature and/or high pressure fluids need cooling or heating.

Rugged and Adaptable Design
The sturdy tube within a tube concept uses heavy duty terminal fittings to provide for a plain tube end interface for the inner tube and a compression connection for the outer tube. The plain end of the inner tube is easily adapted to a variety of connections including compression, threaded, socket weld, sanitary clamp. etc. The tube within a tube design also provides for high pressure/temperature capabilities on both sides of the heat exchanger, giving greater application flexibility.

Single Continuous Tube
The single continuous inner tube increases reliability and cleanliness and allows the unit to be completely drainable. In conjunction with appropriate end fittings and optional inner tube electropolishing, sanitary requirements can be met.

Wide Variety of Materials Available
Stock materials include Copper, 316 Stainless Steel and Inconel Hastelloy (various grades), Titanium, Zironium, PTFE and a variety of other nickel and stainless steel alloy are available.

Simple Installation
A two-hole mounting bracket permits the DTC to be easily mounted in a variety of locations & orientations.

Custom Configurations and Options
Standard sizes for 1/4", 3/8" and 1/2" inner tubes are available with a variety of materials, physical arrangements, coil lengths, and end connections. Custom inner tube sizes are available up to 1". Sanitary units are available in full sizes.

Instrument Associates, Inc.