DEMCO butterfly valve的简单介绍DW Wafer Butterfly Valves (Pinless) Suitable for ASME CLASS 125/150 flange Standard: API609,API598DEMCO butterfly valve的详细信息Features: Short neck , bi-direction sealing, integral flange seal, pinless disc,
one-piece notched body, blowout proof stem,10-position locking handle/ gear operated Body:Epoxy coated ductile Iron, carbon steel,
stainless steel ◆Oil and gas drilling and production ◆Water and waste water ◆Marine and government ◆Power ◆Agriculture ◆Mining and materials ◆Dry bulk handling |