3 off Stainless Steel Heater Housing. With a diameter of 14″ NB designed to PD5500 Category 2. designed and manufactured bespoke to order, they are suitable for 30 bar design pressure at 20°C to +180°C as a result, they have 300# RFWN Flanged connections. To comply with PD5500 category 2 they had NDT performed on them, 10% Radiography and 100% DPI. Finished with a pickle and passivation giving a clean bright finish.


A project for a Dual-stack heater housing for the Yaya Oil Refinery in Russia, along with project and design specifications the vessel was designed to comply with CU TR certification but certified by our customer as part of a package. The vessel was designed with full NDT: 100% Radiography, 100% DPI, 100% Ultrasonic Testing and 100% PMI and to meet the design conditions of 3.5 bar design pressure at 490°C to -53 °C with a 1.5 mm corrosion allowance. Finished with a pickle and passivated surface finish giving a high-quality finish.

20″ NB Stainless Steel 304H heater housing designed to 550°C – ASME U Stamp and NR-13

Pressure Vessels can be designed and manufactured from a wide range of materials to any international standard including PD5500, EN 13445 and ASME VIII and where necessary to the PED and ATEX Directives and built to a maximum:-

8 off 6″ and 8″ NB PD5500 Cat.1 Heater housing for National Grid PV3. Stainless Steel 316/L bespoke design and manufacturing.