伪造的铁球阀门

Forged Steel Obique Globe/Stop Valve Design & manufacture: ASME B 16.34 Inspection and test: API 598 Size range from 1/4" to 4" Pressure range from ASME Class150 to 4500 Temperature range from -100°F to 1200°F Connection end: Socket welding end ASME B 16.11 Butt weldingendASME B 16.25 Design features 1. Threaded bonnet, can be designed to be welded or removable structure. 2. Rotate-Rising stem 3. Low flow coefficient, Y type design possess optimizing Cv value. 4. Body and bonnet joint accurately machined. 5. Secondary throttling face design which reduces the erosion of sealing surface. 6. Inclined stem and optimal runner design make the medium flowingas linear pattern. 7.Highly-density and shaped flexible graphite gasket. 8. Stellite cobalt-base ironbound alloy disc. 9. Electric or pneumatic actuator is optional 10. Simplest and fastest method of in-line internal repairs. Choice of High-Temperature Alloy Steel Materials No.NamesMaterials1BodyF22+Stellite2DiscF22+Stellite3Seal gasket316 high flexible graphite4Stuffing boxF225BoltASTM B166BonnetA1057StemF228BoltASTM B169Stem nutASTM B124 C6190010Hand-wheelASTM A536 60-40-1811GlandA10512PackingFlexible graphite13Packing gasketASTMA276 410 Note: Other materials are available upon request. Choice of Carbon Steel Materials No.NamesMaterials1BodyA105+Stellite2DiscA105+Stellite3Seal gasket316 high flexible graphite4Stuffing boxA1055BoltASTM B76BonnetA1057StemASTM A276 4108BoltASTM B79Stem nutASTM B124 C6190010Hand-wheelASTM A536 60-40-1811GlandA10512PackingFlexible graphite13Packing gasketASTM A276 410Note: Other materials are available upon request.