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Pressure Equipment Directive 2014/68/EU

SI 2016/1105 The Pressure Equipment (Safety) Regulations 2016

Implemented in the UK by:

Statutory instrument 2016/1105,  The Pressure Equipment (Safety) Regulations 2016. Effective 8 December 2016.

It was previously, Directive 97/23/EC and SI 1999/2001 'The Pressure Equipment Regulations 1999'.

These regulations apply to pressure equipment such as vessels, piping (including heat exchangers), safety accessories (eg safety valves and bursting discs) and pressure accessories where the maximum allowable pressure is greater than 0.5 bar.

The regulations do not apply to our pumps and vent valves. Pumps are excluded and the volume of vent valves are too small.

Strainers, however could be treated as pressure equipment depending on the vapour pressure of the fluid, the fluid group (see below), the strainer volume and the maximum pressure. Although in practice this is unlikely to arise in most applications, it may occur if you will be using a strainer with Group 1 fluids or alternatively with Group 2 fluids but where the vapour pressure of the fluid at the maximum allowable temperature is greater than 1.5 bar absolute.

- Group 1 fluids are
Hazardous fluids, eg flammable liquids (category 1 & 2, & category 3, where the maximum allowable temperature is above the flashpoint), oxidising liquids (category 1, 2 & 3), explosives & toxic liquids. 
Where the maximum allowable temperature exceeds the flashpoint of the liquid.

- Group 2 fluids are fluids not in Group 1.