Electric flange buttefly valve
Electric fluorine-lined butterfly valve
Valve model: D971F46, D941F46, D971F4, D941F4
Diameter specification: DN50~ DN1200
Structural form: Centerline type (wafer type, flange type)
Valve body material: carbon steel WCB, stainless steel 304, 316, 316L, etc.
Nominal pressure: PN10, PN16
Applicable temperature: -20°C~ 180°C
Application scope: corrosive fluids and strong acid and alkali materials, etc.
Product features: good sealing performance, super corrosion resistance and wear resistance
Products Features
High pressure resistance
Thickened valve body, high hardness, strong toughness, high pressure resistance, strong pressure resistance and crack prevention ability
Turbine transmission, fast and labor-saving
General turbine head. The switch is more labor-saving, the valve body is thickened, the weight is heavier and safer
Butterfly valve flange types
Butterfly valve flange is called flange plate or flanged parts. It is a product that connects valves and pipes in pipelines. Butterfly valve special flanges are the same as ordinary flanges, but the inner holes are different. The special flange for butterfly valve has a small inner hole and an extra slot for pipe insertion.
Butterfly valve flanges can be individual or combined, such as flanges at both ends of the valve to facilitate the installation of bolts. The flange-to-flange connection between one end of the pipe and the other end, or the connection joint, refers to a foldable connection in which flanges, gaskets and bolts are connected to each other as a set of combined sealing structures. Pipe flanges refer to pipeline devices. The flange used for central piping refers to the flange of the valve. The flange has holes. Bolts tightly connect the two flanges, and the flanges are sealed with gaskets.
[Butterfly valve flange material] No. 20, A105, Q235A, 12Cr1MoV, 16MnR, 15CrMo, 18-8, 321, 304, 304L, 316, 316L.
[Sealing surface form] Flat surface (FF), raised surface (RF), convex surface (M), concave surface (F), concave and convex surface (MF), tenon surface (T), groove surface (G), tongue and groove surface (TG), ring connection surface ( RJ).
[According to petrochemical industry standards] Threaded flange (PT), butt welding flange (WN), flat welding flange (SO), socket welding flange (SW), loose flange (LJ), flange cover (not noted).
[According to machinery industry standards] Integral flange, butt welding flange, plate flat welding flange, butt welding ring plate loose flange, flat welding ring plate loose flange, flanged ring plate loose flange, flange cover.
[According to national standards] Integral flange, threaded flange, butt welding flange, neck flat welding flange, neck socket welding flange, butt welding ring neck loose sleeve flange, plate flat welding flange, butt welding ring plate loose sleeve Flange, flat welded ring plate loose sleeve flange, flanged ring plate loose sleeve flange, flange cover.
[According to chemical industry standards] Integral flange (IF), threaded flange (Th), plate flat welding flange (PL), diameter butt welding flange (WN), neck flat welding flange (SO), socket welding flange (SW ), butt welding ring loose sleeve flange (PJ/SE), flat welding ring loose sleeve flange (PJ/RJ), lined flange cover (BL (S)), flange cover (BL).a
Butterfly valve Images
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