Select the pump 2


2、According to the physical and chemical properties of media in pump selection material combination of pump                  

View screw pump

1

NR

NBR

FOOD-ORTENTED RUBBER

EPDM

FPM

Water (includng waste water)

Animal oil and vegetable oil

×

×

Mineral oil

×

×

Ammonia water

×

×

×

Fatty solvernts

×

×

×

×

Aromatic solvents

×

×

×

×

Thick alkaline

Thick nitric acid

×

×

×

×

Glacial acetic acid

×

×

Thin sulfuric acid

×

×

×

Thick sulfuric acid

×

×

×

Thin hydrochioric acid

Thick hydrochioric acid

×

×

×

Hot water

×

×

Gasoline

×

×

Kerosene

×

×

Diesel oil

×

×

Chiorated hydrocarbon

×

×

×

×

Ketone containing materials

×

×

×

×

Alcohol containing materials

Fat containing materials

×

×

×

×

Easter containing materials

×

×

×

×

Slurry

Max.temperrature resistance

70℃

90℃

90℃

180℃

130℃

Wear resistance

Aging resistance

Ozene resistance

×

×

×

Radiation resistance

×

Fire reasistance

×

×

Steam resistance

 NOte:a.the food-oriented rubber does not contain assitives detrimental to human health 

       b、◎Excellent  ●Good  ▲Moderate  ×Poor

Aterials for rotor and overcurrent parts

Performance and applications

45 HT200

With poor corrosion resistance, it is suitable for ordinary media.

1Cr18Ni9Ti ZG1Cr18Ni9Ti

Resist ordinary corrosive media

1Cr8Ni12Mo2Ti ZG1Cr18Ni12M02Ti

Resist acids and alkaline

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Dongyang River Industrial Zone, Dongyang City, Zhejiang Province


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