Volm Screw Vacuum Systems Successfully Replace Top-Tier International Brands

1.Material Corrosion

• Carbon steel pump bodies developed localized rust perforations within 3 months when handling chlorine-ion media (pH 2~3). Annual corrosion rate reached 0.8mm.

2.Seal Leakage

• Seal failures occurred every 2,000 hours per pump. In 2018 alone, 47 lip-seal replacements led to material loss and 3 environmental penalties.

3.Offline Cleaning Disruptions

• Solid particle buildup required pump disassembly and cleaning every 72 hours. Each 4-hour shutdown caused 3,200-ton annual production loss (over ¥5 million direct cost).

4.Costly Transnational Repairs

• Parts shipment from Europe took 6~8 weeks on average. Single repair costs hit ¥82,000, with additional ¥230,000 for rental equipment during downtime.

1. Material Innovation

• Patented stainless steel (Mo≥3.5%, Cr≥22%) passed ASTM B117 salt spray testing with 8× higher corrosion resistance than carbon steel;

• Electro-polished internal surfaces (Ra≤0.4μm) minimized material adhesion.

2. Sealing System Upgrade

• Balanced mechanical seals with perfluoroelastomer O-rings;

• API 682 PLAN23 flushing system:

1. Forms oil film between friction surfaces to reduce temperature/wear;

2. Removes contaminants via continuous oil circulation;

3. External filtration and heat exchangers ensure oil cleanliness/cooling;

4. Design lifespan: 25,000 hours.

3. Online CIP Technology

• Integrated PLC-controlled cleaning ports enable:

1. Automated cycles (every 100+ hours);

2. Acid/alkaline/solvent cleaning without disassembly;

3. ≥98% production uptime.

4. Localized Service Network

• 24/7 technical support;

• 2-hour online response;

• 24-hour on-site resolution.

"Volm demonstrates three core strengths: precise process understanding, responsive service, and continuous innovation," emphasized Mr. Li during the supplier review. The company has designated Volm as a Tier-1 Strategic Supplier for ongoing mutually beneficial cooperation.