Butterfly Valve Two-way metal sealed butterfly valve has two-way sealing function and long service life. The main features of the valve are as follows: 1. It has a two-way sealing function, and the sealing performance in both positive and negative directions can meet the requirements of the national standard Class C or above, and the installation is not restricted by the flow direction of the medium. 2. Long service life. The sealing surface of this product is made of 1Cr18Ni9Ti stainless acid-resistant steel, which is corrosion-resistant; due to the double eccentric structure, the sealing pair of the valve does not touch during the opening and closing process, and there is no wear. 3. It has a wide range of applications and can be used in various working conditions and media. 4. High efficiency and energy saving. The valve shaft adopts a half-shaft structure, and the butterfly plate is a truss type. It has a large flow area and small flow resistance, saving energy. 5. There is a connecting seat between the flange and the driving part of the valve, and the bolts fixing the packing gland can be adjusted through the packing window on the connecting seat to ensure the sealing of the shaft system. 6. The telescopic part of the telescopic two-way metal-sealed butterfly valve can be freely telescopic or fixed, which can meet the requirements of different working conditions. It has the dual functions of butterfly valve and telescopic device. 7. The worm gear transmission is a fully enclosed design and can be used in long-term immersion in water. 8. The underground butterfly valve installed horizontally has a national leading synchronous display mechanism, and the opening and closing status of the valve can be observed from different operating directions. 聽 Product Specification Transmission MethodConnection TypeNominal Diameter Dn (mm)Pressure Range PN (MPa)Applicable MediumApplicable Temperature 鈩?/p> Material Worm gear drive, Manual, Pneumatic, Electric, HydraulicFlange Clamp Telescopic 聽100~40000.25-4.0Water, Oil, Gas, and Smoke, Weakly corrosive fluid-10~80 -10~200Ductile Iron, Carbon Steel Stainless steel StandardGB/T12238銆丟B/T12221銆丟B/T13927銆丟B/T9115.1銆丟B/T17241.6銆丟B/T9113.1 聽 Application Two-way metal sealed butterfly valve with a wide range of applications. It is widely used in various fields such as petrochemical industry, thermoelectricity, gas and light industry food etc. 聽 After-sales service We provide comprehensive and timely after-sales service, no matter in terms of transportation, product quality, installation, etc., we will answer customers' questions 24 hours a day and provide effective solutions until customers are satisfied. In order to better serve customers, the most important thing is to tap potential needs and develop new products or new service items that enterprise customers are willing to accept..Butterfly Valve website:http://www.sinomachflange.com/valve/butterfly-valve/
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