Fact Sheet Potential Hazards created by Water Hammer in Steam Systems

Ref: FS1 (ISBN 1 901212 15 7)
Date of Publication: May 1997

Members Price £3.00
UK Price £3.00
Overseas Price £3.00
Incidents involving water hammer can cause serious or even fatal accidents. This Fact Sheet:
  • outlines the causes of water hammer
  • strongly recommends the replacement of cast iron stop valves on steam boilers
  • presents a 5-point Action Plan to minimise hazars.
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Pressure Systems: Guidelines on Periodicity of Examinations

Ref: PSG1 (ISBN 1 901212 10 6)
Date of Publication: May 1997

Members Price £Free
UK Price £25.00
Overseas Price £35.00
The information contained in these Guidelines is based on the collective experience of SAFed member companies and gives practical guidance on the recommended intervals between successive examinations of pressure systems. It also considers those areas which should be investigated when considering an extension of existing intervals.

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Guidelines for the Operation of Steam Boilers

Ref: PSG2
Date of Publication: March 2000

Members Price £Free
UK Price £25.00
Overseas Price £35.00
These Guidelines are intended to assist competent persons when considering the controls and limiters fitted to existing boiler installations.

The information contained within the Guidelines is not intended as a specification for boiler controls in new installations. These should be manufactured in accordance with the Pressure Equipment Directive and should comply with the requirements of relevant Harmonised European Standards supporting the directive, with levels of supervision and training to be appropriate to specific site requirements.

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Guidelines for the Operation of Hot Water Boilers

Ref: PSG3
Date of Publication: December 2001

Members Price £Free
UK Price £25.00
Overseas Price £35.00
These Guidelines supplement the information provided in PSG2. They are intended to assist competent persons when considering the controls and limiters that should be fitted to existing fully flooded hot water boiler systems in order to ensure safe operation.

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Guidelines for the Production of Written Schemes of Examination and the Examination of Pressure Vessels Incorporating Openings to Facilitate Ready Internal Access

Ref: PSG4
Publication Date: April 2003.


Members Price £Free
UK Price £25.00
Overseas Price £35.00
The purpose of these Guidelines is to provide guidance for the drawing up of Written Schemes of Examination (WSE) in accordance with the Pressure Systems Safety Regulations 2000 (PSSR 2000) and the associated examination of pressure vessels incorporating means for ready internal access. They are intended to assist competent persons when assessing the protective, safety and control devices fitted to such pressure vessels.

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Shell Boilers:

Guidelines for the Examination of Shell-to-Endplate and Furnace-to Endplate Welded Joints

Ref: SBG1 (ISBN 1 901212 05)
Date of Publication: April 1997

Members Price £9.00
UK Price £30.00
Overseas Price £40.00
This publication is written specifically for owners, users and competent persons performing duties under the Pressure Systems Safety Regulations 2000. It describes those procedures considered to be good practice, and incorporates advice in assessing defects in shell-to-endplate welds and furnace-to-endplate welds in shell boilers.

(Note: Supersedes AOTC Guidance Note GN4.)

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Shell Boilers:

Guidlines for the examination of longitudinal seams of shell boilers


Ref: SBG2 (ISBN 1 901212 30 0)
Publication Date: May 1998

Members Price £Free
UK Price £30.00
Overseas Price £40.00

This publication is aimed at owners, users and competent persons who have duties under the Pressure Systems Safety Regulations 2000. Based on methods of measurement developed by inspection organisations, it describes procedures which will reduce the risk of boiler cracking and subsequent explosions. These guidelines also provide detailed guidance on ultrasonic testing and report provision.

(Note: Supersedes AOTC guidance note GN3)

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