... to Europe,Africa,South America. 4.EPDM seat DIN3202 F4/F5 NRS Gate Valve Specification:1. Size: 1-1/2”-24 ... -DN600)2. Design Standard: BS5163, AWWA C509/C515, DIN3202 F4/F5, MSS SP-70.3. End Flange Connection: ANSI B 16 ... : +86-311-85520268/9, Fax: +86-311-85520266 DIN3202 F4/F5 NRS Gate Valve