This standard specifies the requirements, test methods, inspection rules and marking, packaging, transportation and storage of soft polyvinyl chloride-coated fabric biogas digesters. This standard applies to biogas fermentation tanks and gas storage tanks made of heat-sealed polyvinyl chloride-coated fabric membranes.
QB/T 4415-2012 Referenced Document
GB/T 4751-2002 Thc standard for check and acceptance of the quality for household anerobie digesters
NY/T 1699-2009 Technical specifications for household anaerobic digesters of fiberglass reinforced plastics
QB/T 4415-2012 history
2012QB/T 4415-2012 Flexible anerobic digesters of polyvinyl chloride coated fabrics