DWI or  Water Regulations Advisory Scheme (WRAS) surge vessels

Weld procedures for pressure vessels

In the good old days We used weld procedures for welding carbon steel pressure vessels and air receivers to British standards BS 4871 and BS 4870 part one. These days a lot has changed and the process involves a number of stages. Nowadays we start with the welding...
DWI or  Water Regulations Advisory Scheme (WRAS) surge vessels

Dished End Weld Preparation

This stack of dished and flanged ends has been machined on a vertical borer. The preparation on the dish end will be used to produce a clean weld to the main pressure vessel shell plate. In accordance with our approved world procedures to meet the requirements of...
DWI or  Water Regulations Advisory Scheme (WRAS) surge vessels

Pressure vessel opening compensation ring

Openings in the shell of a pressure vessel naturally introduce a weakness at that point. The bigger the opening the greater the compensation required to make up for it. Different pressure vessel design codes use different methods to calculate the amount of...
DWI or  Water Regulations Advisory Scheme (WRAS) surge vessels

Preset Edges of pressure vessel shell

This, the first of two short videos shows the edges of boilerplate being pressed to prepare the edges so there is no flattening at the seam – ready to be used on our bronx pyramid roll set. The plate is 20 mm thick BS 1501 225 490B LT50 and is at the maximum...
DWI or  Water Regulations Advisory Scheme (WRAS) surge vessels

Pressure Vessel Dished Head Furnace

These dished and flanged pressure vessel heads are made from boiler quality plate and leave the furnace at around 1000° before being pressed into the dished head for use on a pressure vessel. Our in-house dished end manufacturing facility allows us to ensure all...