Rat Blockers are designed to stop rats travelling through drains and are installed into pipes within inspection chambers (manholes). They are usually installed into the drain outlet, but these models can be easily configured to be fitted into a drain inlet. Rat Blockers allow rats to pass freely downstream, but protect property by preventing their movement upstream. By installing a Rat Blocker into the drain outlet, all upstream branches are protected. Rat Blockers are robust stainless steel devices and are held securely in place with a tight friction fit. Due to their design, these unique Rat Blockers cannot become dislodged into the drainage line. Both designs can be fitted from ground level, using a specially-designed installation pole. Source One Environmental supply two designs of rat blockers and both are available to buy online: Ratwall by Metex and TX11 by Nordisk.
Germany
Retaining valve with embossed directional arrow or printed in black. With conical nozzles. Various uses.
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nickel plated brass*non-return valve*female connexion to*water tap Ø outside
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The STRATE non-return valve RKS is particularly suitable in areas where the prevention of flap impacts is of particular importance. In this application case the extension of the standard butterfly valve RSK by the additional component STRATE spring load (RSK-FT or RSK-FTU) is required Product features (STRATE RSK) Wide flap to prevent piercing, especially at high pressure levels Type RSK-FT: Equipped with exterior spring load to more quickly close the flap and avoid flap impact Type RSK-UD: Bypass line with pressure shock damping valve to reduce/avoid pressure shocks Type FTUD: a combination of the above types to optimally protect the pumps in case of a power outage, etc.
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