Specification for leathers for gas meter diaphragms Ingestion-build-260237 ISO/TS 21361 provides guidelines to

ISO/TS 21361 provides guidelines to quantify and identify air concentration (number of particles/cm3) of particles of carbon black and/or amorphous silica by size in air samples collected in a mixed dust industrial manufacturing environment

Note: BS EN 14702‑3 is also applicable to sludge and sludge suspensions of other origins

10 Examples of designation

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L7 tricycles and quadricycles (vehicle based)

Specification for leathers for gas meter diaphragms Ingestion-build-260237 ISO/TS 21361 provides guidelines toWhat is BS 2797 Specification for leathers for gas meter diaphragms about? BS 2797 specifies requirements for finished leathers for use in diaphragms of gas meters intended for use with natural gas. Two types of leather are specified. Type 1. E. I. sheepskin leather, manufactured as described in outline in Appendix A. Type 2. Split hide leather, manufactured as described in outline in Appendix B. Who is BS 2797 Specification for leathers for gas meter