... ",DN50-600mm 2.Pressure:150-2500LB,PN6-25 Cast Steel Gate Valve With Prices 1.Size: NPS2"-24",DN50-600mm 2.Pressure ... the production quality effectively Standard compliance:1) Design and manufacture: BS5163, DIN 3352, JIS B2043, AWWA C5092) Test and inspection: BS6755 ... , DIN 3230, JIS B2003, API5983) Face to face dimensions: BS5163: 1986, DIN 3202 F4-F5, JIS B2002, ANSI B16.104 ...