Demco安全阀API

Demco styleMud valve, gate valve The DM Gate Valve, are solid gate, rising stem, gate valves with resilient seals. They are purpose made for mud, cement, fracturing and water service and are easy to operate and simple to maintain. The DM Gate Valve, with superior design features precision workmanship and a proven principle are engineered to meet the harsh drilling requirements in today's oilfield.SPECIFICATION Designed specifically for Abrasive and Erosive useAll Valves Have Stainless Steel StemsAPI 6A PSL 1, 2 and 3 available Gates can be supplied in Nickel-Plated Carbon Steel, Monel, Aluminum Bronze or Stainless Steel Stainless or Carbon Steel Inserts with Nitrile or HNBR Elastomer Factory Pressure Tested in Accordance with API. 6A Can be supplied with Flanged End Connections, Hammer Union Ends, Threaded Connections or Butt Weld EndsSour Service Models to NACE MR-01-75 Available with Pressure Ratings up to 5, 000 psi in 2`, 3`, 4`, 5` x 4` and 6` x 4` Valve Sizes Full Material Traceability Guaranteed Supplied with Full Certification at no extra charge APPLICATIONS Oil and Gas lines Wellheads Manifolds and Pipelines Crude Oil and Sour Gas Well Treating Chemicals Drilling ChemicalsWater Flood Lines Abrasive Drilling Mud PACKAGE plywood case or steel case Contact TEL 86-29-82213232-12 FAX 86-29-82217838