DH-P-YG Acrylic Gland Packing is a high-performance sealing material specifically designed for rotating equipment in medium-to-low temperature and pressure conditions. Manufactured from premium acrylic fibers through specialized braiding processes, this product delivers exceptional sealing performance and extended service life.
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Performance | Value |
Maximum Temperature | 130 ℃ |
Maximum Linear Velocity | 12m/s |
PH | 2-12 |
Pump Pressure | 25kg/cm² |
Valve Pressure | 80kg/cm² |
DH-P-YG Acrylic Gland Packing is a cost-effective water-resistant seal (acrylic fibers + nitrile rubber). Square cross-section (4-strand weave) for easy installation. 50% better cost-performance than rubber, 30% than entry PTFE. Meets GB/T 19228.3-2011 and ISO 6162. Standard (3mm-10mm) and custom (up to 30mm) cross-sections, 10/20m spools.

Temperature Range: -30℃ to +180℃; elastic at -30℃, 10% elasticity loss (1000h at 180℃).
Water Resistance: Swell < 3% (80℃ water, ASTM D471-16), <5% (seawater); no strength loss after 1000h immersion.
Pressure Capacity: Up to 8MPa (static), 5MPa (dynamic) – exceeds rubber (3MPa/2MPa).
Compression Rebound: ≥ 55% (1000 cycles, 5MPa) – 12-month life vs. rubber’s 6 months.
Cost Efficiency: 30% cheaper than aramid/PTFE, 70% performance.
Water Treatment: Sewage pumps (10% solids), filter press cylinders (polyaluminum chloride-compatible).
HVAC: Chilled water pumps (5-15℃), hot water valves (80-100℃) – 5-8% lower energy use.
General Manufacturing: Metal forming press rams (5MPa), conveyor bearing seals.
Agriculture: Irrigation pumps, fertilizer sprayers (pH 4-10, USDA-compliant).
Yes (HT variant): 20% graphite powder increases temp to 200℃, 5% elasticity loss (1000h at 180℃), 30% longer life. Standard grade: ≤120℃. Both resist scale (clean with citric acid).
Cut 45° diagonal rings (opposing directions).
Install lantern ring 15mm above liquid level (lubrication).
Crisscross-tighten glands (15-20% compression); avoid over-tightening.
Run at 50% speed for 30min, adjust to <0.1 ml/min leakage.
80% less leakage, 40% longer life; use wear sleeves for worn shafts.
12 months (25℃, 2MPa, 1000 RPM, clean water) – same as aramid, 60% cost. Extend to 15 months (clean water <10ppm); reduce to 8-10 months (dirty water >50ppm). Inspect every 6 months; replace if compression set >20%.
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