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Air Brake Line Couplings for Tractors, Trucks & Trailers. All of the below couplings are manufactured in Great Britain to BS AU 138a:1980 and BS AU 138b:2000. Air brake couplings are used to connect the air brake systems of a heavy goods vehicle's (HGV) or agricultural machines to trailers. All couplings have colour coded labels - yellow for the service line and red for the emergency line – and anodised aluminium outer sleeves of the female couplings to match.
Standards
BS AU 138a:1980
BS AU 138b:2000
Air Brake Couplings
BS AU 138a:1980
BS AU 138a:1980
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Standard: BS AU 138a: 1980
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Valve Type: Valveless
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Material: Carbon Steel
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Finishing: Zn-Fe (Cr III)
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Thread: 1/2" BSP
BS AU 138b:2000
BS AU 138b:2000
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