选泵参考二

 

二、根据泵输送介质的理化性能选择泵的材料组合                   查看螺杆泵
1
天然橡胶
NR
丁晴橡胶
NBR
食品橡胶
FOOD-ORTENTED RUBBER
乙丙橡胶
EPDM
氟橡胶
FPM
水(含污水)
Water (includng waste water)
动、植物油
Animal oil and vegetable oil
×
×
矿物油
Mineral oil
×
×
氨水
Ammonia water
×
×
×
脂肪族浓剂
Fatty solvernts
×
×
×
×
芳香族浓剂
Aromatic solvents
×
×
×
×
浓碱
Thick alkaline
浓硝酸
thick nitric acid
×
×
×
×
冰醋酸
glacial acetic acid
×
×
稀硫酸
thin sulfuric acid
×
×
×
浓硫酸
thick sulfuric acid
×
×
×
稀盐酸
thin hydrochioric acid
浓盐酸
thick hydrochioric acid
×
×
×
热水
Hot water
×
×
汽油
Gasoline
×
×
煤油
Kerosene
×
×
柴油
Diesel oil
×
×
氯化烃
Chiorated hydrocarbon
×
×
×
×
含酮类物料
Ketone containing materials
×
×
×
×
含醇类物料
Alcohol containing materials
含脂类物料
Fat containing materials
×
×
×
×
含醚类物料
Easter containing materials
×
×
×
×
泥浆
Slurry
耐最高温度
Max.temperrature resistance
70℃
90℃
90℃
180℃
130℃
耐磨性 Wear resistance
耐老化
Aging resistance
耐臭氧
Ozene resistance
×
×
×
耐辐射
Radiation resistance
×
耐燃性
Fire reasistance
×
×
抗蒸汽
Steam resistance
   注:a、食品橡胶不含对人体有害的添加剂
     NOte:a.the food-oriented rubber does not contain assitives detrimental to human health 
    b、◎优  ●良 ▲一般 ×不行

转子、过流部件材质
Aterials for rotor and overcurrent parts
性能用途
Performance and applications
45 HT200
防腐能力差,适用一般介质
With poor corrosion resistance, it is suitable for ordinary media.
1Cr18Ni9Ti ZG1Cr18Ni9Ti
耐一般腐钟介质
resist ordinary corrosive media
1Cr8Ni12Mo2Ti ZG1Cr18Ni12M02Ti
耐酸碱
resist acids and alkaline