Engineering Reliable Acid-Resistant Systems with Custom Nickel Perforated Filter Plates

In environments exposed to aggressive acids such as sulfuric, hydrochloric, or hydrofluoric acid, the reliability of your filtration components directly determines plant safety, system uptime, and operational cost. Nickel perforated filter plates stand at the intersection of chemical durability, structural integrity, and customizability. These plates offer OEMs and industrial designers a long-lasting solution to one of the harshest operational challenges in chemical and metallurgical sectors.

Core Properties That Define Nickel for Harsh Environments

Nickel is unique among engineering metals due to its exceptional resistance to non-oxidizing acids and base corrosion. Unlike stainless steel, which can pit or crevice corrode in chloride-rich conditions, nickel maintains passivity and integrity.

• High resistance to reducing acids like HCl, HF, H₂SO₄

• Melting point over 1450°C for extreme thermal scenarios

• Good mechanical strength at elevated temperatures

External spec: Nickel Institute – Corrosion Performance of Nickel Alloys

Designing the Ideal Filter Plate for Acid-Loaded Systems

When engineering a nickel perforated plate for use in acidic flow systems, critical design parameters include:

• Hole size: influences clogging risk and filtration rate

• Open area %: typically between 10–38% for aggressive systems

• Plate support: ribs or layered sandwich construction for pressure stability

• Flow orientation: cross-perforated or tapered slot patterns

Related internal article: Filter Plate Installation Guide

Case Study: Philippines Gold Refinery H₂SO₄ Scrubber

The refinery faced weekly shutdowns due to mesh deformation and acid attack on stainless plates. Upon switching to nickel perforated panels:

• Operating cycles increased by 3x

• Acid vapor penetration reduced by 87%

• Estimated savings: $42,000/year in downtime cost

The nickel panels used 2.0mm thickness, 6mm round holes, with cross stiffeners for compression resistance.

Customization Options for OEM Integration

Our facilities support precise OEM matching through:

• DXF/CAD import and reverse engineering

• Laser marking of batch trace codes or logo

• Surface options: electropolished, passivated, or PTFE-coated

Explore surface prep: ASTM D6492 – Coatings on Metal for Chemical Use

Comparison Chart: Nickel vs. Hastelloy vs. Titanium

Trusted by Global Clients

Clients in energy, mining, and chlor-alkali sectors choose us for:

• Design-to-delivery turnaround under 14 days

• In-house acid testing chambers

• ISO 9001 & 14001 certified production

Contact & Socials

Website: perforatedmetalpanel.com
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