Size : nps 1/2" ~ 2" (dn 15mm to 50mm) Rating: 800#, 1500#, 2500#, 4500# End connection: socket weld end, butt weld end, screwed end, flanged end Bonnet design (ibr approved): bolted bonnet, welded bonnet. Manufacturing standard: bs 5352 Inspection and testing standard: api 598 / bs 5146 Pressure-temperature rating: asme b 16.34 Screwed end dimension: asme b 1.20.1 Socket weld dimension: asme b 16.11 Butt weld standard: asme b 16.25
