... 6755. Type: Rising Stem and Wedge Single Disc, Solid or Flexible wedge. Stop Valve (global valve):Specification: 1). NPS ... ANSI B16.34 6). Inspection and test: API 598. Ball Valve Feature: 1. Nominal diameter: 1/4"--4" 2 ... 300lb,600lb,900lb,1500lb,2500lb Body: Stainless Steel Disc or Ball: Stainless Steel+HF Stem: Stainless Steel Seat: Stainless ... Vapor,Food,Pharmacy,Medicament,Oil,Acid,Alkali,Salt etc.