FD-D Series Center Line-type Rubber Lined Butterfly Valve

  Overview and application  
 Center line-type rubber lined butterfly valve is widely applied for cutting off or controlling device on fluid, gas and semi-fluid pipes in the industries including electric power industry, metallurgical industry, chemical industry, food industry, municipal engineering and energy industry, such as wet desulphurization, water treatment, fire fighting and municipal pipelines. 

  Product features  
 
 	 
 ISO5211 standard top flange 
 
 	 
 Full rubber lined design for valve body 
 
 	 
 Through shaft without pin, arc-shaped valve plate 
 
 	 
 Bi-directional pressure bearing and bi-directional sealing 
 
 	 
 Triple seal of valve rod 
 
 	 
 Different materials applicable to different media 
 
 

 Technical parameters 
 
 	 
 Nominal diameter: DN50~DN3000 (2"~120") 
 
 	 
 Pressure rating: PN6~PN16 (class 150) 
 
 	 
 Working temperature: -20℃~200℃ 
 
 	 
 Connection: Wafer type, lug type, flange type 
 
 
 Materials 
 
 	 
 Valve body: ductile iron, carbon steel, stainless steel 
 
 	 
 Valve plate: Ductile iron, carbon steel, stainless steel, dual-phase steel, alloy steel 
 
 	 
 Valve seat: EPDM, NBR, VITON 
 
 

FLYGER
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