PRODUCT QUALITY

Tube materials consist of copper, 90/10 cupronickel, stainless steel, carbon steel, or admiralty brass. Standard diameters range from 3/8”to 1” O.D.; using 0.018” to 0.065” wall.

Casings are constructed of galvanized, stainless, or carbon steel plate. 16 gauge plate is standard, but thickness up to 8 gauge is available.

Fast Turnaround is a commitment at DHT. Our years of experience in heat transfer products and large inventory of raw materials enable us to offer the
most efficient service and support in the industry.

Fins can be either plate or helical (l-footed or solder bonded). Materials consist of aluminum, copper, carbon
steel, or stainless steel. Fin spacing is avilable from 6 to 14 fins per inch.

Quality assurance is guaranteed at DHT. All coils are tested three times before leaving our facility. First, all material is examined to insure specified tolerances. Second, all coils are hydrostatically tested to 300 psi. Finally, our QA engineer verifies that each coil is built to specifications.