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Type 526ApprovalsApprovalsOrifice D E – TEuropeCoefficient of discharge K drDIN EN ISO 4126-1 Approval No. 07 202 1111Z0012/2/26S/G 0,455 0,801L 0,343 0,579GermanyCoefficient of discharge α wAD 2000-Merkblatt A2 Approval No. TÜV SV 1082United StatesS/G 0,455 0,801L 0,343 0,579Coefficient of discharge KASME Sec. VIII Approval No. M37246 M37224CanadaS/GRated slopeacc. to ASME VIII, Div. 1 UG-131 (d) (2)G: 1,99 SCFM/psia0,801S: 5,59 PPH/psiaApproval No. M37257 M37235LRated slopeacc. to ASME VIII, Div. 1 UG-131 (d) (2) 0,5793,11 GPM/√psidCoefficient of discharge KCanada: CRN Approval No. OG0873.9CChinaCSBQTSS/GLApproval No.Rated slopeacc. to ASME VIII, Div. 1 UG-131 (d) (2)G: 1,99 SCFM/psiaS: 5,59 PPH/psia0,801Rated slopeacc. to ASME VIII, Div. 1 UG-131 (d) (2) 0,5793,11 GPM/√psidCoefficient of discharge α wS/G 0,455 0,801L 0,343 0,579RussiaCoefficient of discharge α wGGTN/Approval No. PPC 00-18458GOSGOTECHNADZORS/G 0,455 0,801GOST RL 0,343 0,579Classification societies HomepageBureau Veritas BV www.bureauveritas.com The valid certification number is changed withDet Norske Veritas DNV www.dnv.comevery renewal.Germanischer Lloyd GL www.gl-group.comLloyd‘ s register EMEA LREMEA www.lr.orgRegistro Italiano Navale RINA www.rina.orgA sample certificate including the valid certificationnumber can be taken from the homepage of theclassification societies.Type 526LWN 480.01-E01/85