Applicable Standards Corrugated Metal Hoses: ISO 10380:2012 AGA Approved: AS 4631:2005 (upon request) Watermark Approved - WMTS 520:2016 (upon request) Welding Compliant to: AS 4041- Class 1 (upon request) Fire Protection Systems (upon request) Seismic Rated: AS 1170:2007 (upon request) Chlorine Institute Pamphlet 6. Appendix A