Phenolic fiber impregnated with PTFE braided gland packing for pump

Phenolic fiber braided gland packing impregnated with PTFE for low friction and chemical resistance. Suitable for pumps and valves handling corrosive fluids and mild chemicals. Reduces shaft wear and extends service life.

Parameter Specification
Material Phenolic fiber with PTFE impregnation
Temperature Range -50°C to +250°C
Pressure Range Up to 20 bar (rotary) / 50 bar (static)
pH Range 3 – 11
Shaft Speed Up to 10 m/s
Sizes 3 mm – 50 mm (custom)

The Fusion of Two Sealing Superpowers‌

Hongwo revolutionizes pump sealing with our ‌Phenolic Fiber PTFE Braided Gland Packing‌, where phenolic’s structural strength meets PTFE’s legendary slickness. This molecular-level engineered composite delivers 3X longer service life than conventional braided packings in aggressive pumping applications.

‌Mission-Critical Pumping Scenarios‌

■ ‌Sulfuric Acid Circulation Pumps‌ – Defies 93% concentration at 80°C
■ ‌LNG Cryogenic Pumps‌ – Maintains flexibility at -196°C
■ ‌Phosphate Slurry Transfer‌ – Abrasion-resistant with <0.3mm/1000hr wear rate
■ ‌Food Processing Pumps‌ – USDA and 3-A Dairy compliant versions available

Detailed Product Parameters for braided Packing

Common Dimensions for braided packing

Braided Packing Selection Guide

‌Triple-Layer Defense Technology‌

① ‌Core‌ – Phenolic fiber matrix for radial compression strength
② ‌Armor‌ – PTFE braid for chemical impermeability
③ ‌Skin‌ – Proprietary low-friction coating (0.06μ surface finish)

‌Proven Advantages Over Competitors:‌
✓ 68% lower breakout torque than standard PTFE packings
✓ Zero cold flow under sustained 2000 psi pressure
✓ 100% virgin PTFE content (no recycled material)

‌Hongwo’s Cutting-Edge Approach‌

“We Don’t Just Make Packing – We Engineer Sealing Systems”
• ‌Digital Twin Testing‌ – Every batch validated against virtual pump models
• ‌Smart Braiding Patterns‌ – 45° cross-weave for optimized shaft conformity
• ‌Global Case Library‌ – 2,700+ documented successful installations

‌Choose Your Performance Package:‌
🔹 ‌Basic‌ – Standard chemical resistance
🔹 ‌Pro‌ – Enhanced for extreme pH/temperature cycling
🔹 ‌Elite‌ – With integrated leak detection fibers


‌Technical Services Included:‌
• Free pump shaft condition assessment
• Custom die-formed packing rings available
• On-demand braiding density adjustment

Patent-pending PTFE/Phenolic bonding technology – Available exclusively from Hongwo.

Phenolic packing
Phenolic packing
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