Birchley Products (Test Equipment) deals with the design, manufacture and supply of apparatus for the periodic testing of pressure cylinders and related equipment also cleaning (including O2 Cleaning) of cylinders. Products ::: Hydro Static Test Equipment, Jacket Method, Non Jacket Method, Proof Test Only. Internal Shot Blasting Machines. Drying Machines. O 2 Cleaning Machines. Thread Gauges. Pit Measuring Probe. Pneumatic Bench. Air Hoist for cylinders. Special [1] off machines.