... and valve application. Meet food grade. SonPack F4200 Material: Expanded PTFE.Structure: Lattice braid.Application Media: Chemical, solvents, corrosives, air ... : Rotating & Reciprocating equipment, valves. Industry Serviced: Chemical & Pharmaceutical, Oil & Gas, General Industry, Agriculture, and Marine. P[bar] v[m ... 200 ~ 260Pump 10 15 Reciprocating 50 0.5 Expanded PTFE Braided Packing - SONPACK 4200