Protect System, System 1000 pressure vessels are manufactured by ASME IX coded welders and designed to ASME VIII Div.1 code.

The vessels are fully compliant with the European Pressure Equipment Directive (PED) 97/23/SE for use in all non hazardous and hazardous zone classified areas.

A full range of monitoring instruments are available to suit your exact requirements. Standard documentation, testing and NDE packs are offered.

Alternatively bespoke packages can be tailored to fit your exact requirements.

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General description

A range of pressure vessels manufactured in 316L stainless steel with a variety of instrumentation to fit your exact requirements

General description

Stainless steel vessel manufactured by coded welders with a range of instrumentation options

Design methodology

Advanced computer techniques including 3D modelling and FEA

Design standards

Pressure Equipment Directive 97/23/EC (SEP)
ATEX EC-Directive 94/9/EC

Design pressure rating

20 bar g @ 38°C

Operating pressure

Up to 16 bar g @ 38°C (Plan 11)
Vented to atmosphere (Plan 10)

Vessel volume

2.0 litres to 8.5 litres


ISO plan 10 (similar to API plan 52)
ISO plan 11 (similar to API plan 53A)

Gas fill connection

¼" BSP screwed

Instrument connection

1¼" BSP screwed (8.5 litre vessel only)

All other connections

½" BSP screwed
½" NPT screwed

Electrical protection

Non Hazardous
Explosion proof (zone 1 or zone 2)
Intrinsic safety (zone 0, zone 1 or zone 2)

Vessel configurations

Without cooling coil (standard)
Cooling coil fitted (optional on 8.5 litre vessel only)

Optional instrumentation

Level switch
Level transmitter
Pressure switch
Pressure indicator
Pressure transmitter
Relief valve
Temperature switch
Temperature indicator
Temperature transmitter
Circulation pump
Mounted top up pump


Mounting stand (optional)

Design life

20 years