Untitled Document

Doyle & Roth is one of the old-timers in the heat-transfer industry, having been founded in 1932. Our principal business has been the engineering, design and fabrication of shell and tube heat transfer equipment.

In addition to our line of "standardized" equipment (about 25% of our sales volume), Doyle & Roth is a major producer of custom-fabricated shell and tube equipment (about 70% of our sales volume).

Through many years in business our engineers have designed units to meet a vaiety of services including:

1. Lethal Service

4. Cryogenic

2. Food Grade

5. Power Utility

3. Pharmaceutical

6. Feedwater Heaters

Doyle & Roth engineers also have the experience to design specialized units such as:

1. Falling film evaporators

4. Thermosyphon Reboilers

2. Freeze condensers

5. Knockback Condensers

3. Polished surface

6. High Pressure Design

Materials routinely used in fabrication by Doyle & Roth include steel and steel alloys; Stainless steels; Duplex; nickel alloys; copper and copper alloys.

Component materials are either carried in our stock or in the stock of our quality partner vendors. This arrangement allows us to offer fast delivery while allowing flexibility in customizing design.

DOYLE & ROTH'S CUSTOM CAPABILITIES

The Doyle & Roth plant occupies an area of 360,000 sq. ft. with 120,000 sq. ft. of enclosed plant facilities. Here we have every means of designing, developing and fabricating precision tubular products for the Chemical and Process Industries. Our modern plant facilities are varied and complete.

Partial Equipment Listing:

Assembly Bays..............................

70 x 230' with 28' under hook

70 x 190' with 12' under hook

40 x 110' with 45' under hook

Overhead Cranes............................

One 25-ton

Two 20-ton

Two 5-ton

Radial Drills...................................

Up to 5' Arm with 13" Column

CNC Gun Drill...............................

Handle 90" x 90" pieces in single set-up and can drill 20" within 0.002" runout.

Automatic Manipulators & Positioner

Vertical Boring Mills..........................

to 84" diameter

Lathes...........................................

to 24" Swing

All Welders, code qualified (ASME, Gas Tungsten, GMAW, Submerged Arc)..........

Experience in Carbon, Low and High Alloy Steels, Nickel, Nickel Alloys, Copper, Copper Alloys, Hastelloy™, Titanium, and Stainless Steel.

Hydraulic Brake and Shear..................

300 ton capacity, 1/2 x 12'0"

Plate Rolls.....................................

to 1 1/4" x 18'0"

Automatic Tube to Tubesheet Welding

"In-House" Capabilities to Mechanically and Electro-Polish