Engineered for Extreme Pressure & Frictionless Performance
Hongwo’s High Pressure Mechanical Seal Carbon Fiber Gland Packing With Graphite redefines reliability in critical rotating equipment. Combining aerospace-grade carbon fiber with high-purity graphite lubrication, this packing delivers zero-leak performance even at 50MPa (500 bar) while reducing friction losses by up to 40% versus conventional designs.
Mission-Critical Applications
• Hydraulic Fracturing Pumps – Survives 10,000+ PSI shale gas extraction
• Nuclear Coolant Systems – NSF-61 certified for primary loop safety
• High-Speed Compressors – Stable at 6,000 RPM with vibration damping
• Cryogenic LNG Valves – Maintains elasticity from -196°C to 288°C
Breakthrough Technology Highlights
▸ Graphite-Infused Matrix – Self-lubricating carbon strands reduce breakout torque by 55%
▸ Pressure-Responsive Design – Adaptive fiber braiding expands under load for automatic seal compensation
▸ Thermal Sync Coating – Proprietary surface treatment minimizes thermal cracking
▸ Smart Wear Indicators – Visual fiber discoloration signals replacement timing
The Hongwo Difference
“Precision Sealing Science for Zero-Downtime Operations”
- Military-Grade Testing – 1,000+ hour accelerated life cycles in simulated wellhead conditions
- Modular Engineering – Stackable packing rings for custom axial load distribution
- Global Compliance – API 682 Category 1 & ASME B31.3 compliant
Available with conductive/non-conductive variants for explosive atmospheres (ATEX/IECEx).

High Pressure Mechanical Seal Carbon Fiber Gland Packing
Place of origin:
Hebei, China
Material:
Carbon fiber yarn
Package:
PE Plastic Bags and carton box
Usage:
Valve Sealing Packing
Price
$7.97 / kg | $6.96/ kg | $6.92 / kg |
50-499 kg | 500-199 kg | ≥2000 kg |
Our product prices may vary by a small amount due to raw materials and the market. For the latest price, please click the link below or contact our sales staff. |
Get the latest preferential policies
Lead time: 15~20 Workdays
Payment: 30% deposite
Selling Units: Kilogram
Delivery: By sea or by air
Package Type: Packing Details:In poly bags, cartons,wooden crates or pallets standard exported package.
Picture Example:
Q: Are you factory, or only a trading company?
A: Factory, and our factory is located in Hengshui, Hebei.
Q: Could I get some samples, and how?
A: No problem, we provide free samples, and it is only needed for you to pay for the shipping charge, your courier account is also ok(such as DHL).
Q: Can you give me some discount?
A: Usually the discount depends on the quantity. However we can discuss it.
Q: What’s the payment terms?
A: Our normal practice: 30% deposit of total amount before production, and 70% balance payment before shippment. However this is open for discussion.
Q: How can I get the quotation?
A: We usually quote within 24hours after we get your inquiry. If you are very urgent to get the price please call us or tell us in your email so that we will regard your inquiry priority.
Q: What is your terms of delivery?
A: We accept EXW,FOB,CIF,ect. You can choose the one which is the most convenient or cost effective for you.
Q: Can you do further process?
A: Sure. We also can help our customers do the further such as printing and punching.
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