Gland Packing or Compression Packing or Packing was created as a sealing device (blocking device), but because it has to drip, it is more accurately called a restrictional device. Gland Packing was born before Mechanical Seal. Usually made with a braid or woven system with a box-section shape. The constituent materials can be graphite, acrylic, PTFE, asbestos and so on. SPECIAL SHIPMENTS FOR PUMPS, VALVES, HOT AND COLD WATER SUPPLIERS, AND SEAWATER. This gland packing is processed with PTFE graphite fiber yarn and special aramid fiber yarn braided in combination. Highly heat resistant, chemical resistant and self-lubricating packaging. Suitable for corrosive liquids, organic solvents, steam, hot water, oil rotary engines, rotary pumps, agitators, etc. Max. Temperature : 260°C ( 500°F ) Max. Pressure : 20kg . f/cm2. pH : 2-14. Shaft Speed : V - 16m/s.