软密封阀门配件适用范围指南

软密封阀门配件适用范围指南,,,,,,,,,,,,,,

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阀门金属材质、非金属材质、耐腐蚀耐温推荐表,,,,,,,,,,,,,,

Valvemetalmaterials，non-metallicmaterials，corrosionresistanttemperaturerecommendedtable,,,,,,,,,,,,,,

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材料,,适用温度（℃）,介质及适用程度Mediaandtheapplicability,,,,,,,,,,,特征Feature

Material,,Suitable,,,,,,,,,,,,

,,temperature,淡水,海水,强碱,弱碱,强酸,弱酸,醇,空气,蒸汽,油,食物,

,,,Fresh,Sea,Alkali,Weak,Strong,Weak,Alcohol,Air,Steam,Oil,Food,

,,,water,water,,base,acid,acid,,,,,,

阀座seat,"NBR

丁腈橡胶",-23℃-93℃,A,A,B,A,D,B,A,A,D,A,B,抗油Resistantoil

,"EPDM

三元乙丙橡胶",-46℃-135℃,A,A,A,A,C,A,A,A,A,C,A,抗老化Anti-aging

,"NR

天然橡胶",-20℃-85℃,A,A,A,A,C,B,A,A,D,D,B,高弹性Highelasticity

,"CR

氯丁橡胶",-29℃-99℃,A,A,A,A,D,C,A,A,D,B,B,耐磨、抗老化

,,,,,,,,,,,,,,Wear-resistant、anti-aging

,"SI/VMQ

硅橡胶",-55℃-180℃,A,A,B,B,D,B,A,A,D,C,C,抗高温

,,,,,,,,,,,,,,Resistanttohightemperatures

,"FKM

氟橡胶",-23℃-200℃,A,A,B,A,A,A,B,A,B,A,A,防腐、抗高温Anti-corrosion，

,,,,,,,,,,,,,,anti-hightemperature

,"PTFE

聚四氟乙烯",-20℃-180℃,A,A,A,A,A,A,A,A,A,A,A,防腐所有化学介质

,,,,,,,,,,,,,,Anticorrosiveallchemicalmedia

,"PFA

可溶性聚四氟乙烯",-20℃-180℃,A,A,A,A,B,A,A,A,A,A,A,更好的加工性能

,"FEP

聚全氟乙丙烯",-20℃-180℃,A,A,A,A,B,A,A,A,A,A,A,防腐所有化学介质

蝶阀版Disc,电替球数,-30℃-350℃,B,C,D,C,D,C,A,B,B,A,C,抗热Thermal

,Plating,,,,,,,,,,,,,

,ductileiron,,,,,,,,,,,,,

,PA,-30℃-100℃,A,A,A,A,D,A,C,A,D,A,A,防腐、抗碱性

,,,,,,,,,,,,,,"Anti-corrosion,anti-alkaline"

,PCR,-30℃-140℃,A,A,A,A,A,A,A,A,C,A,A,防腐、抗酸

,,,,,,,,,,,,,,"Corrosion,acid-fast"

,PTFE,-20℃~180℃,A,A,A,A,A,A,A,A,A,A,A,防腐，所有化学介质

,,,,,,,,,,,,,,"Corrosion,allchemicals"

,PFA,-20℃-180℃,A,A,A,A,B,A,A,A,A,A,A,防腐、抗高温Anti-corrosion，

,,,,,,,,,,,,,,anti-hightemperature

,FEP,-20℃-180℃,A,A,A,A,B,A,A,A,A,A,A,

,,,,,,,,,,,,,,,

,不锈钢,-252℃-316℃,A,C,C,B,C,B,A,A,A,A,A,防腐、抗高温Anti-corrosion，

,Stainless,,,,,,,,,,,,,anti-hightemperature

,steel,,,,,,,,,,,,,

,铝青铜Aluminum,-212℃~232℃,A,C,C,C,D,C,A,A,A,A,C,抗热、抗通常温度Heatresistance，

,bronze,,,,,,,,,,,,,resistanceusualtemperature

,钛,-196℃-550℃,A,A,A,A,C,B,A,A,A,A,B,防腐、抗高温Anti-corrosion，

,Titanium,,,,,,,,,,,,,anti-hightemperature

阀体Valvebody,铸铁HT200,-15℃~250℃,A,D,C,D,C,A,A,A,A,A,C,耐变形

,Castiron,,,,,,,,,,,,,Deformationresistance

,,,,,,,,,,,,,,,

,球铁QT450,-30℃-350℃,A,C,C,D,C,B,A,A,A,A,C,耐腐蚀，耐变形Corrosion

,Ductileiron,,,,,,,,,,,,,"resistance,Deformationresistance"

,铸钢WCB,-29℃-425℃,A,D,D,D,D,D,A,A,A,A,C,耐压好

,Caststeel,,,,,,,,,,,,,Goodpressureresistance

,锻钢A105,-29℃-450℃,A,D,D,D,D,D,A,A,A,A,C,密度高、耐高压Highdensity

,Forgedsteel,,,,,,,,,,,,,andhighpressureresistance

,高温钢,-29℃-540℃,A,D,C,D,D,D,A,A,A,A,C,密度高、耐高压Highdensity

,WCB/WCQ,,,,,,,,,,,,,andhighpressureresistance

,耐腐高温钢,-29℃~570℃,A,B,B,B,B,B,A,A,A,A,B,密度高、耐高压Highdensity

,CSC12,,,,,,,,,,,,,andhighpressureresistance

,低温钢,-196℃-345℃,A,D,D,C,D,D,A,A,A,A,C,耐低温

,Cryogenicsteel,,,,,,,,,,,,,Lowtemperatureresistance

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注：A非常适用B适用C有限适用D不适用整体阀门各部件耐温以耐温低的为最高使用温度,,,,,,,,,,,,,,

"Note:A-isveryapplicable;B-applies;C