Inquiry (采购产品): Farris model 1870 We have 8 farris model 1870's on our system and we are trying to find out what the ASME orifice area, Coeff (K) and NB Cert NO> **** Hidden Message ***** Gene Morgan 4700 Highway 56 KY 42301 USA Company: Southern Star Central Gas Pipeline Title: Sr. Engineer Phone: 270.314.1788 E-mail: gene.e.morgan@sscgp.com **** Hidden Message ***** gene.e.morgan@sscgp.com