軟密封閥門配件適用范圍指南

軟密封閥門配件適用范圍指南,,,,,,,,,,,,,,

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閥門金屬材質(zhì)、非金屬材質(zhì)、耐腐蝕耐溫推薦表,,,,,,,,,,,,,,

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

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材料,,適用溫度（℃）,介質(zhì)及適用程度Mediaandtheapplicability,,,,,,,,,,,特征Feature

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

,,temperature,淡水,海水,強(qiáng)堿,弱堿,強(qiáng)酸,弱酸,醇,空氣,蒸汽,油,食物,

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

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

閥座seat,"NBR

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

,"EPDM

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

,"NR

天然橡膠",-20℃-85℃,A,A,A,A,C,B,A,A,D,D,B,高彈性Highelasticity

,"CR

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

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

,"SI/VMQ

硅橡膠",-55℃-180℃,A,A,B,B,D,B,A,A,D,C,C,抗高溫

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

,"FKM

氟橡膠",-23℃-200℃,A,A,B,A,A,A,B,A,B,A,A,防腐、抗高溫Anti-corrosion，

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

,"PTFE

聚四氟乙烯",-20℃-180℃,A,A,A,A,A,A,A,A,A,A,A,防腐所有化學(xué)介質(zhì)

,,,,,,,,,,,,,,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,防腐所有化學(xué)介質(zhì)

蝶閥版Disc,電替球數(shù),-30℃-350℃,B,C,D,C,D,C,A,B,B,A,C,抗熱Thermal

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

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

,PA,-30℃-100℃,A,A,A,A,D,A,C,A,D,A,A,防腐、抗堿性

,,,,,,,,,,,,,,"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，所有化學(xué)介質(zhì)

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

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

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

,FEP,-20℃-180℃,A,A,A,A,B,A,A,A,A,A,A,

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,不銹鋼,-252℃-316℃,A,C,C,B,C,B,A,A,A,A,A,防腐、抗高溫Anti-corrosion，

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

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

,鋁青銅Aluminum,-212℃~232℃,A,C,C,C,D,C,A,A,A,A,C,抗熱、抗通常溫度Heatresistance，

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

,鈦,-196℃-550℃,A,A,A,A,C,B,A,A,A,A,B,防腐、抗高溫Anti-corrosion，

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

閥體Valvebody,鑄鐵HT200,-15℃~250℃,A,D,C,D,C,A,A,A,A,A,C,耐變形

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

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,球鐵QT450,-30℃-350℃,A,C,C,D,C,B,A,A,A,A,C,耐腐蝕，耐變形Corrosion

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

,鑄鋼WCB,-29℃-425℃,A,D,D,D,D,D,A,A,A,A,C,耐壓好

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

,鍛鋼A105,-29℃-450℃,A,D,D,D,D,D,A,A,A,A,C,密度高、耐高壓Highdensity

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

,高溫鋼,-29℃-540℃,A,D,C,D,D,D,A,A,A,A,C,密度高、耐高壓Highdensity

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

,耐腐高溫鋼,-29℃~570℃,A,B,B,B,B,B,A,A,A,A,B,密度高、耐高壓Highdensity

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

,低溫鋼,-196℃-345℃,A,D,D,C,D,D,A,A,A,A,C,耐低溫

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

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注：A非常適用B適用C有限適用D不適用整體閥門各部件耐溫以耐溫低的為最高使用溫度,,,,,,,,,,,,,,

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