Differences between black, yellow and green o-ring
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BLACK O-RING
The black O-Ring in EPDM is ideal for sanitary water, drinking water, fire prevention and heating applications. It is compliant with EN 681-1 standard.
It's also available with SECURFRABO patented security system.
- Colour: Black
- Tmin/Tmax: -10°/+110°C
- Product lines (O-Ring Securfrabo): FRABOPRESS H2O SECURFRABO FRABOPRESS 316 SECURFRABO, FRABOPRESS 316 SECURFRABO M, FRABOPRESS C-STEEL SECURFRABO, FRABOPRESS C-STEEL SECURFRABO M.
- Product lines (O-Ring without Securfrabo): FRABOPRESS BIG-SIZE, FRABOPRESS NEXT, FRABOPRESS 316 BIG-SIZE, FRABO TS PRESS, FRABOPRESS C-STEEL BIG-SIZE, FRABOPRESS MULTI-PLUS, FRABOPRESS MULTI-BRASS
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YELLOW O-RING
Yellow O-Ring in HNBR ideal for gas applications according to EN549.
It's also available a yellow O-Ring in HNBR for water and gas according to EN681-1 (water) and EN549 (gas) with SECURFRABO patented security system.
- Colour: yellow
- Tmin/Tmax: -20°/+95°C (O-Ring water/gas)
- Tmin/Tmax: -20°/+70°C (O-Ring only gas)
- Product lines (O-Ring water/gas): FRABOPRESS SECURFRABO
- Product lines (O-Ring only gas): FRABOPRESS GAS, FRABOPRESS 316 GAS, FRABOPRESS 316 GAS M
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green O-RING
Green O-ring made of FKM is studied to grant high temperature and intense working stress. It's ideal for solar systems.
- Colour: green
- Tmax: 160°C (peaks up to 200° for short periods)
- Product lines with green o-ring: SOLARPRESS