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#
Symbol used for pounds (lbs) especially with reference to flange rating e.g. 150# is understood to mean 150 lbs.

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17.4ph
A martensitic steel that hardens structurally during treatment which results in the achievement of considerable hardness.

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3.1B Certificates
Material Certificates as described in BS EN 10204 Metallic products. Types of inspection documents.

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316L
A low carbon grade of 316 stainless steel.

Further Reading
Stainless Steel Toolbox Page
 


EU Directive 94/9/EC
EU Directive 94/9/EC - known as ATEX - covers equipment and protective systems for use in potentially explosive atmospheres.

Further Reading

 


IEC 61508
International best practice standard concerning specification; design; installation; testing and maintenance of safety systems.

Further Reading
SIL Ratings Guide
 


IEC 61511
International standard detailing requirements for end users and integrators of safety instrumented systems.

Further Reading
SIL Ratings Guide
 


ISO 4406
ISO 4406 is a hydraulic cleanliness rating system based on the number of particles larger than 5 and 15 Ám in a 1-ml fluid sample.

Further Reading
Hydraulic Cleanliness Guide
 


ISO 9001
A quality assurance standard issued by the International Organization for Standards.
Standard is titled; Quality systems - Model for quality assurance in design/development, production, installation and servicing.
Further Reading

 

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