Reactors can be  built in accordance with Section VIII Division 1 or Division 2 of the ASME Code, and are stamped and registered with the National Board. As a policy, only the the most advanced welding procedures and methods are used.

Dimple Jackets are best  utilized for moderate heating and cooling utilizing steam or chilled water. RAS's innovative dimpled stayed jacket design, permits thinner vessel wall construction using lighter gauge materials.

Nickel Alloy Jackets are recommended when the heat transfer medium contains chlorides or other stress corrosion cracking elements. Jackets can be configured as either singe or multi-zoned

Half Pipe Coils are best suited for high temperature and pressure applications utilizing hot oil or other  high temperature media.Reactor Half Pipe RAS half pipe coil design is a full 180 half pipe configuration that minimizes pressure and increases fluid velocity.

Materials of construction:

Vessel wetted parts:Stainless Steel, Duplex Stainless, Nickel Alloys, Clad, Titanium.

Jackets: Stainless Steel, Nickel Alloys Titanium.

Dimple Jacketed Reactors

Non-wetted parts: such as supports, Carbon Steel with matched material, Back up pads.


Standard mill finishes inside and out.

Internal Polished  Finish: From a commercial grade no.3 to a pharmaceutical  grade no.7 (320grit 10 RA) and electro-polishing are available.

External Polished Finish: A commercial grade no.3 and no.4.

Options:Flush bottom ball valves, Plug valves, Sight glasses, Level gauges and Quick opening manways.

Custom sizes and configurations available.


RAS Process Equipment
324 Meadowbrook Road
Robbinsville, New Jersey 08691
Phone: 609-371-1000 Fax: 609-371-1200