8 1 2015 BRG PREMANT district heating pipe PRE Subject to technical changes 6 266 Installation guidelines Sheet 4 Changes of direction on longer pipe lengths For 40 50 a For angles a 40 an additional 90 bend must be installed outside see picture b For angles a 50 the additional 90 bend must be positioned inside see picture For 40 50 The second newly formed angle is always larger in both cases leading to weaker compensation L L L L 40 50 a 50 a 40 L L 45 L L FP

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