Kevlar Gland Packing: The Ultimate Heavy-Duty Sealing Solution
Industry-Proven Performance
When Chevron’s Richmond facility faced 300-gallon daily losses of 450°F hot oil, Hongwo’s Kevlar gland packing delivered immediate results:
Key Technical Specifications:
- 288°C continuous operation (399°C spike resistance)
- 0.05 in³/min leakage (API 622 Cat 2 certified)
- 3x lifespan in abrasive services
Documented Case Studies:✓ Corpus Christi: Resolved sour water leaks in 12 hours ✓ Boiler Feed Pumps: 5x lifespan vs graphite packing ✓ Shell Deer Park: Survived 6 emergency shutdowns
Hongwo’s Dragon Skin Technology
Our ISO 9001:2015 certified manufacturing process features:
- Pre-Saturated Yarns – Proprietary silicone infusion
- Triaxial Braiding – 360° uniform compression
- Quality Tracking – UV-reactive batch coding
Maintenance Indicator: Color change to espresso brown signals ~400 remaining hours
Performance Comparison Table
ParameterHongwoIndustry StandardTemp Range-73°C to 288°C0°C to 232°CCompression Recovery85% @5,000 psi72% @3,000 psiFugitive Emissions<100 ppmv300-600 ppmv
Expert Installation Protocol
- Pre-Treatment: 24hr compression for LNG applications
- Break-In Period: 30-35 thermal cycles required
- Clearance Specs: 0.003″ tighter than API 682
Field Validation
- BP Whiting: 11 months in 20% sulfuric acid
- Crude Charge Pumps: 22 months longer than premium German packing
- Microscopy Analysis: Self-sealing micro-fractures under stress
Why Global Operators Choose Hongwo:
- 34 facilities switched mid-contract
- 100% success in FCC slurry pumps
- Zero warranty claims since 2023
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