Vanessa Valve Replacement in PTA Chemical Process

1.Project Background

The client operates a large-scale PTA (Purified Terephthalic Acid) production project involving corrosive media.

The system originally used a Vanessa valve in the acetic acid recovery tower.

2.Challenges

• Corrosive media

• High temperature chemical process

• Critical process reliability

  
  

3.Our Solution

Procetek provided a corrosion-resistant Penta-offset butterfly valve:

• Designed for chemical environments

• Improved sealing reliability

• Enhanced durability

4.Scope of Supply

• Corrosion-resistant Penta-offset butterfly valve

• Replacement for Vanessa valve

• Procetek Model: D645Y-16RL DN1400 

Equivalent / Reference Model Mapping

Original Model	Procetek Replacement
Vanessa DN1400 PTA valve	D645Y-16RL DN1400

5.Implementation

• System verification

• Customized design

• Installation and commissioning

6.Results

• Improved corrosion resistance

• Stable operation in chemical process

• Reduced maintenance risk

7.Why It Worked

• Material and sealing optimization

• Application-specific engineering

8.Conclusion

The project confirms reliable valve performance in demanding chemical environments.

9.Call to Action

Contact us for chemical process valve solutions.