Packing is made of environmentally friendly thermostable chemical fiber, which has better resistance to oxidants than graphite and carbon threads have. It’s also more durable than PTFE fibers. Application: Oil refining and chemical industries. Paper and shipbuilding industries. All kinds of pumps and industrial fitting. Abrasive and aggressive environments Parameters of working environment: Temperature: -100/+250 оС рН: 1-13 Speed: 15 m/s Working pressure: Pumps: 8 MPa Piston: 20 MPa Valve: 25 MPa