Sprinklers
Although they are not our main product range, the design and manufacture of sprinkler systems nevertheless forms part of FB Procédés' know-how.
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Supplied from above or below, stand-up or hang-up, with variable flow rates, FB Procédés Sprinklers, some of which are motorised, can be set up in a wide variety of situations.
The operating system remains simple. Water flows by gravity or is pumped into the fixed central column, also called the supply column. Then the outflow passes through holes into a rotating body forming a pressure chamber. It then flows into arms rigidly connected to the body, and escapes through distribution holes judiciously positioned to sprinkle the bacteria bed.
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In the case of two flow rates of distribution, a second pressure chamber, concentric with the first is added. Each chamber supplies a distinct group of arms.
The sprinkler is set in rotation, using the energy of the pressure of the water column in the pressure chamber. This pressure becomes a driving force when it is transmitted to the distribution holes (all on the same side of the arms).
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To ensure rotation, a conical bearing is located above the overflow, at the top of the supply column and is protected by a cover. It is generously sized to absorb all the axial and radial forces and also give better stability to the body.
Below the arms, between the supply column and the body, a ring of PEHD 1000 ensures watertightness and guides the lower part (This applies to small or medium-sized sprinklers; the device can differ on bigger ones). A leakage flow, negligible but necessary, lubricates the ring. The ring is very quick and easy to replace.
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The distribution arms are connected to the revolving body by clamps and braced by guy wires (stainless cable) when required by the span of the sprinkler. The end of each arm is fitted with either a PVC screw-in plug or a clamped gasket valve. This quick removal device allows
the arms to be cleaned without disassembly.
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Some of our references are given below:
- BAQA'A (Jordan), customer CECA, flow rate 910m³/h, motorised, 4 arms, span 25700mm.
- LA MÈDE (13), customer TOTAL FINA, flow rate 600m³/h, 4 arms, span 16700mm.
- CAMIERS (62), customer SADE, flow rate 65 & 232m³/h, 2 + 2 arms, span 11600mm.
- FLAINE (74), customer STÉREAU, flow rate 345m³/h, motorised, 4 arms, span 11700mm.
- MOOREA (987), customer TE VAIRUPE, flow rate 256m³/h, 2 arms, span 10250mm.
- SAINT-VULBAS (01), customer LYONNAISE DES EAUX, flow rate 30m³/h, 2 arms, span 4000mm.
- SAINT-NAUPHARY (82), customer EPUR NATURE, flow rate 7m³/h, 2 arms, span 3350mm.
- BOUHAJLA (Tunisia), customer EIA, flow rate 166m³/h, 4 arms, span 13700mm.
- SIGNES (83), customer VAROISE DE CONCENTRÉS, flow rate 80m³/h, 4 arms, span 6100mm.
- GROSSA (2A), customer SAUR, flow rate 50m³/h, 2 arms, span 6100mm.
- PAYZAC (24), customer SOGEDO, flow rate 15m³/h, 2 arms, span 4800mm.
- ALTENBERG (68), customer OLRY ARKEDIA, flow rate 6m³/h, 2 arms, span 8200mm.
- SAINT-AGATHON (22), customer ODIPURE, flow rate 40m³/h, 2 arms, span 5000mm.
- SAINT-COLOMBAN (73), customer LYONNAISE DES EAUX, flow rate 50m³/h, 2 arms, span 8300mm.
- BERNIS (30), customer SAINT-DIZIER Environnement, flow rate 25m³/h, 2 arms, span 2300mm.
- PETITION (Spain), customer IDAGUA, flow rate 75m³/h, 2 arms, span 5200mm.
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Quelque peu marginalisées dans notre gamme de produits, la conception et la réalisation de sprinklers restent un des savoir-faires de la société FB Procédés.
Alimentés par-dessous ou par-dessus, posés ou suspendus, à débits variables, ou motorisés pour certains d’entre eux, les sprinklers FB Procédés offre un large choix d’implantations.
Leur principe de fonctionnement reste simple. L’eau arrive gravitairement ou par pompage et emprunte une colonne centrale fixe, appelée aussi colonne d’alimentation. L’effluent est alors admis, via des lumières, dans un corps tournant formant une chambre de mise en charge. Il s’écoule ensuite dans des bras solidaires du corps, puis s’échappe par les trous de distribution, judicieusement repartis pour arroser l’intégralité du lit bactérien.
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