柔软的密封阀蝴蝶

Main technology parameterNominal diameterDN(mm)50 2000Nominal pressurePN(Mpa)0.61.01.6Ps(Mpa)Test pressureIntensity test0.91.52.4Seal test0.661.11.76Air test0.60.60.6Appropriate mediumAir, water, polluted waterm,steam,coal gas,oil products,etc.Drive modalityManual,worm gear,pneumatic,electricMaterial for main parts Parts name Material Body Various rubber, PTFE Disc Gray cast icon,ductile cast steel,cast steel,stainless steel and ad hoc material Seal ring Ductile cast icon,cast steel,alloy steel,stainless steel Stem 2Cr13, stainless steel Packing Flexible graphite Butterfly valve optional sealing materials and temperature Material Neoprene NBR EPDM PTFE Silicon rubber Viton Max temperature 82°C 93°C 150°C 232°C 250°C 204°C Min temperature -40°C -40°C -40°C -268°C -70°C -23°C Appropriate temperature ≤65°C ≤80°C ≤120°C ≤200°C ≤200°C ≤180°C