CERTIFICATIONS CRN – Supplying the widest range of hoses when CRN certification is required: CRN stands for Canadian Registration number. It is administered by TSSA. CRN certification is required on any hoses used in service over 15 psi pressure and attached to a registered piping system. TSSA states a hose assembly is considered a pressure vessel and must be treated as such. Most types of hose assemblies can be CRN registered. CRN hoses each have a unique ID number. Generally, most hoses over 15 psi conveying anything more hazardous than water requires a CRN B620-09 – We provide training, certification and testing so your company hoses comply with B620-09 CSA – Canadian Standards Association: CSA is certification on a hose assembly. CSA certification is required for hoses used to transport, propane, natural gas or anhydrous ammonia. CSA hose assemblies are issued a unique ID number and must display the CSA certification logo. There is no requirement for a yearly retest. CSA certifies hoses to the following speciation. CSA specification CR96-001 – For Stainless steel braided hoses CAN/CGA 8.1 –M86 – For Rubber and composite hoses TSSA – Technical Standards and Safety Authority Certificates of Authorization: Click Here for details ISO 9001:2015 – Specifies requirements for a quality management system (Stoney Creek & Kingston branches excluded) NAHAD CRN/CSA – Although not often required a single hose assembly can have both a CRN and CGA certification.