CONDAT HBW PDF

Back Home Products Tunnel range — sealant, foam, lubricant Intermediate station sealants. For long drives, the thrust is too great and risks either breaking the rings or halting the progress of the micro tunnel boring machine. Intermediate stations are therefore installed and used to pass on the thrust force applied at the start-up shaft. Tunnel range - sealant, foam, lubricant. Sealing of intermediate station on micro tunnel boring machines. Sealing of the intermediate station on micro tunnel boring machines to reduce the risk of breakage of the precast concrete rings.

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Back Home Products Tunnel range — sealant, foam, lubricant Main-bearing greases. The greases are available in several grades, with various thickeners and additives to reinforce the lubricant characteristics. For micro tunnel boring machines, the protection of the main bearing is ensured by flushing injection of a grease EP2. The grease is injected in the inter-seal chambers and leaks towards the chamber. Tunnel range - sealant, foam, lubricant.

Main-bearing greases. Greases intended for the lubrication of several elements of the tunnel boring machine including the main bearing. Application fields. EPB tunnel boring machines Slurry tunnel boring machines Rock tunnel boring machines Micro-tunnelling and pipe-jacking. Description Applications Product benefits Associated services Other products. Product benefits Excellent lubrication performance under heavy loads Strong resistance to wash-out Excellent mechanical stability Strong adherence to reduce consumption Very good temperature stability Compatible with HBW New Generation Available in biodegradable and fire-resistant versions.

Other products in the range. Tail seal greases. Main-bearing sealing paste. Fire-resistant fluids for tunnel boring. Foaming agents for EPB. Foaming agents for rock tunnel boring.

Ground treatment additives. Bentonites and additives. Grouting additives. Friction reducers. Intermediate station sealants.

AR 190-59 PDF

Sealing of intermediate station on micro tunnel boring machines

Condat started its lubricants activity for underground works in when it was awarded by international tender to supply the tail seal grease WR 89 for the Channel Tunnel. Since then, this product was used to bore more than 4. Now, a new generation of WR89 is available on the market since October It will also permit to be in accordance with the technological progress while meeting more and more severe technical requirements. Against the background of a large number of fires with a tragic outcome, legal regulations on safety in tunnels have been drastically tightened in Europe. Structural provisions are intended to ensure

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