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Product name: electric wafer hard sealing butterfly valve Products: D973H Commercial products: Beijing sinopec valve Co., LTD Simple introduction: electric wafer hard sealing butterfly valve adopts precision of elastic sealing and three image J eccentric multi-layer metal hard seal structure, widely used in more than 400 degrees Celsius temperature of the medium of metallurgy, electricity, petroleum chemical industry, water supply and drainage and municipal construction and industrial piping, adjust flow and load flow body use. Electric wafer butterfly valve seal are introduced in detail. A,D973H, wafer hard sealing butterfly valve electric product description: We can introduce foreign advanced technology, the use of sophisticated J shape elastic sealing and triple eccentric multi-layer metal hard seal structure, widely used in more than 400 degrees Celsius temperature of the medium of metallurgy, electricity, petroleum chemical industry, water supply and drainage and municipal construction and industrial piping, adjust flow and load flow body use. This valve adopts triple eccentric structure, seat and disc sealing plate adopts different hardness and stainless steel, with good corrosion resistance and long service life, the valve is a bidirectional sealing function, the product conforms to the national GB/T13927-92 standard valve pressure test. Second, D973H electric wafer hard sealing butterfly valve features: This valve USES, triple eccentric butterfly valve seal structure, with almost no wear plate, with the view of the tight sealing function. 2, sealing ring is made of stainless steel, metal hard seal and elastic seal, whether in the dual advantages of low and high temperature, good seal performance, corrosion resistance and long service life etc. 3 and disc sealing plate by surfacing cobalt-based carbide sealing, wear resistance and long service life. 4, large size butterfly plate adopts sewing frame structure, high strength, large flow, the flow resistance. 5 and the valve with two-way seal function, installation of the flow direction of medium without limit, nor space position, can be installed in any direction. 6 and driving device can rotate multistage (90 °, 180 °) or installation for users. Third, D973H electric wafer hard sealing butterfly valve technology image: Four, D973H electric wafer hard sealing butterfly valve main technical parameters: The nominal given.it DN (mm) : 50 2000 The nominal pressure (MPa) PN: 0.6 1.0 1.6 2.5 Seal test (MPa) : 275 1.76 0.66 1.1 Strength test (MPa) : 0.9 1.5 2.4 m Applicable temperature: carbon: - 29 ° 425 ° c 40 stainless steel: - 650 degrees Celsius Applicable medium: air, water, gas, oil and weak corrosive fluids Leakage rate: GB/T13927-92 standard Driver: worm gear, electric, pneumatic, hydraulic Five, D973H electric wafer hard sealing butterfly valve parts of main materials: Parts name: materials Body: WCB, alloy steel, stainless steel, QT450-10 The butterfly plate: WCB, alloy steel, stainless steel, QT450-10 Shaft: 2Cr13 stainless steel, alloy steel Seal: stainless steel Packing: flexible graphite Six, D973H wafer hard sealing butterfly valve electric using standard: Manufacturing standard JB/T, 8527-97 Flange standards: GB9113-2000 Standard: GB12221 structure length - 89 Inspection standard GB/T 13927-92 Seven, wafer hard sealing butterfly valve D973H electric order: notice: 1 this hard sealing butterfly valve product model and name, 2 this hard sealing butterfly valve DN nominal diameter, 3 this hard sealing butterfly valve using pressure, 4 the wafer butterfly valve and hard sealing valve components materials, 5 this hard sealing butterfly valve use medium, 6 this hard sealing butterfly valve applicable temperature, 7. This hard sealing butterfly valve seal structure whether attached, 8. If you have special request, please indicate in the ordered products. 9 if selected by design unit model, please directly to our sales order models. 10 when the situation is very important to use or complicated environment, please try to provide design.