Centellen-HD WS 3822 | Chemistry | Materials

October 19, 2018 | Author: Anonymous | Category: Documents
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FA – MA1/-0) Technical characteristics This is a further development of our proventested Centellen® WS 3820. Centelle...

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SPECIAL QUALITY FOR HIGH PRESSURES WITH GOOD CREEP RESISTANCE AND GOOD GAS TIGHTNESS (DIN 28091 FA – MA1/-0) Technical characteristics This is a further development of our proventested Centellen® WS 3820. Centellen® HD-3822 was developed particularly for  applications that would mechanically overburden our  Centellen® WS 3820 quality. Due to the similar structures, the resistance data for Centellen® WS 3820 can be assumed for  Centellen® HD 3822 as well. The material basis of Centellen® HD 3822 consits of high quality aramide and anorganic fibers as well as mineral reinforcement materials bonded with NBR rubber. Due to this combination of raw materials, the following material characteristics are given: high compressive strength very low gas leakage very good oil resistance good tensile strength Centellen® HD 3822 is produced according to the calender  process and is given a thin anti-adhesive surface when produced. The chemical properties are not affected by this process.

TA-LUFT: regulations of VDI 2440, MPA Stuttgart certifies high value in the sense of TA-LUFT. Certificate date 11.November 2002 WRc: for drinking water up to 85°C, Great Britain dd. 11.03.2004, Testing report MA2879/W

 Applications depending on pressure and temperature

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 Applications Due to this material characteristics, seals made of Centellen® HD 3822 can be used wherever extreme conditions in the form of higher pressure and medium temperature strain exist. Typical applications are pipes in the general chemical industry, the systems, apparatures and machines building industry, in the sanitary industry and in the food and beverage industry. Chemical resistance

Resistant to hydrocarbons such as oil or solvents, alcohols, glycols, aqueous solutions, water and steam up to 200°C, weak alkaline solutions and organic acids Partially resistant to Ketones and esters Chlorinated solvents, Strong alkaline solutions and anorganic acids Not resistant to hydrofluoric acid and concentraded nitric acid -

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Releases DIN-DVGW: as seal for the gas supply industry, type DIN 3535 -FA, gasket material based on synthetic fibers, testing mark NG-5123BP5565, 08.02.2005 HTB-VP401 – 5bar: as seal for gascounters under higher  thermical conditions, for flanges according to DIN 2543, DIN 2633, DIN 3376-2, DIN EN 1092-1, DIN EN 1092-2, RegNo: DG-5126BM0231, dd 06.Jan.2005 BAM: for gaseous oxygen up to 90°C and 100 bar (TG-No. 6336/88; 4-2047I) KTW: for drinking water according to the KTW recommendations of the BGA, for D2 seals dd. 12.April 2005 26th. EDITION, 04/2006

standard version green-yellow, anti adhesive coating OBGY standard delivery formats 1000 x 1500 mm 1500 x 1500 mm 1500 x 3000 mm other formats on inquiry, thickness 0,3 up to 6 mm technical data density 1,8g/cm³ -> DIN 28090 Part 2 Cold heading value (KSW) 4,8% -> DIN 28090 Part 2 Cold resilience value (KRW) 2,0% -> DIN 28090 Part 2 Warm setting value (WSW) 16,9% -> DIN 28090 Part 2 Warm resilience value (WRW) 2,2% -> DIN 28090 Part 2 Spez. Leakage rate λ 0,04 mg/s*m -> DIN 28090 Part 2 Gas-tightness 0,50 cm³/min -> DIN 3754 0,6 cm³/min -> DIN 3535/6 compressive strength (16h/175°C, σdE/16) 35 N/mm² -> DIN 52913 compressive strength (16h/300°C) 25 N/mm² -> DIN 52913 tensile strength transverse 14 N/mm² -> DIN 52910 Min. surface pressure (gas) σmin 20 N/mm² -> DIN 28090 Min. surface pressure (fluids) (Flüss.) σmin 10 N/mm² -> DIN 28090 Max. surface pressure σBo(23°C) > 90 N/mm² -> DIN 28090 Max. surface pressure σBo(200°C) 60 N/mm² -> DIN 28090 Max. surface pressure σBo(250°C) 60 N/mm² -> DIN 28090 Min. Temperature -200°C Max. Temperature 250°C Max. Temperature (temporary) 400°C Max. pressure 150 bar  Constant maximum temperature and maximum pressure should not accur simultaneously !!

information in this brochure is not binding

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