5 key points for choosing nozzle material


 

① Fluid and temperature of environment

 

◉ PVC:Less than or equal to 40°

◉ UPVC:Less than or equal to 50°

◉ PP:Less than or equal to 60°

◉ PVDF:Less than or equal to 70°

◉ PEEK :Less than or equal to 260°

◉ Stainless steel:Less than or equal to 400°

◉ Hastelloy Less than or equal to 400°

 

 

② Chemical resistance

 

◉ Stainless steel is not able to be resistant to chemicals.

◉ UPVC Chemical resistance chart

◉ PP Chemical resistance chart

◉ PVDF Chemical resistance chart

◉ PEEK Chemical resistance chart

◉ Hastelloy Chemical resistance chart

 

 

③ If there is lots of solid in fluid

 

Sequence of wear resistance

1. PVDF

2. Stainless steel

3. PEEK

4. UPE

 

 

④ High pressure

 

◉ Please use stainless steel or HSS in high pressure environment.

 

 

⑤ Cleansing

 

◉ If cleansing is a need, please choose nozzles without rubber seals.

 

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