56 Diagrams for ordering rectangular components Index: Calculating pipe lengths 57 Calculating T-pieces 58 Ordering ducts [LKR] 59 Ordering sharp bends [LBR] 60 Ordering curved bends [LBXR] 61 Ordering rect. reducers [LDR] 62 Ordering rect.-to-round reducers [LORU] 64 Ordering S-offsets [LBSR] 66 Ordering straight offsets [LKS] 67 Ordering angled branches [LAR] 68 Ordering straight branches [LT] 69 Ordering branch on circular ducts [LPSR] 70 Ordering T-pieces [LTTR] 71
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