SMO254 screwed NPT Half coupling

forged stainless NPT screwed threaded hex nipple boss bull plug square hex round head plug bushing cap threaded reducing coupling full half coupling threaded union cross tee 90deg elbow 45deg elbow socket welding/weld union screwed reducing insert boss cap coupling union Weldolet, Sockolet, Threadolet, Nippolet flangeolet 3. Size: 1/8"-4" 4. Ratings: 3000, 6000, 9000 5. Standard: ASME B16.11, MSS SP-97, MSS SP-95, MSS SP-79, MSS SP-83 6. Fittings socket welding or NPT