brzone butterfly valve,cast iron butterfly valve,ductile iron butterfly valve,stainless steel butterfly valve,WCB butterfly valve,teflon lined butterfly valve Flange Connection:AS2129\"D\"\"E\" BS10\"D\"\"E\" JIS10K/16K ASME B16.1 125LB ASME B16.5 150LB BS4504 PN10/PN16 DIN2501 PN10/PN16 face to face：API609 DIN3202 K1 ISO5752 BS5155 Design Standard:API609 BS5155 EN593 MSS SP-67 Test Inspection: API598 EN12266-1 Suitable Medium:sea water brzone wafer butterfly valve:C95800 C95500 C95400 电话022-25878028 15222378180 传真：022-65358377