API - Leser

Accessories and OptionsSoft seal selectionSoft seal selectionAbbrevationASTM 1418Trade name(Designation)Codeletter1)OptionCodeTminTmax[°C] [°F] [°C] [°F]Application 2)O-ringCR Neoprene ® K J21 -40 -40 100 212Parafin oil, silicone oil and grease, water andwaterbased solvents, refrigerants, ozoneNBRBuna-N ®(Nitrile-Butadiene)N J30 -25 -13 100 212 Hydraulic oil, vegetable and animal grease and oilEPDMBuna-EP ®(Ethylene-Propylene-Dine)D J22 -45 -49 150 302Hot water and superheated steam up to 150 °C,302 °F, some organic and inorganic acids,silicone oil and grease, FDA compliantFKMViton ®(Fluorocarbon)L J23 20 -4 180 356High temperature service (no superheated steam),mineral oil and grease, silicone oil and grease,vegetable and animal grease and oil, ozone, FDAcompliant compound available on requestFFKMSealing plateSPPCTFEPTFEKalrez ®(Perfluo)VESPEL SP-1 ®(Polyimide)KEL-F ®(Polychlorotrifluoroethylene)Teflon ®(Polytetrafluoroethylene)Other than listedC J20 0 32 250 482T J49 -270 -454 300 572G J48 -270 -454 204 400A J44 -184 -300 150 302 Nearly all chemicalsXFor other materials please contact yourlocal representative or sales@leser.comNearly all chemicals, standard compound isKalrez ® 6375 with steam resistance, FDA compliantcompound available on requestHigh temperature and high pressure applications(no steam), for chemical resistance refer tomanufacturers guideCryogenic and refrigeration applications, flammablemedia applications, (e.g. gaseous oxygen) up to50 bar, 725 psig at 60 °C, 140 °F1)The code letters will be stamped on the disc (Item 1).2)Pressure and temperature service must be considered in any case.Chemical resistance information is supplied by the O-ring manufacturer. LESER can not take any warranty.Options99/10 LWN 480.01-E