2 4 6 6 7 7 8 3 12 9 9 10 10 14 14 5 13 11 15 11 16 1 Australian Pipeline Valve - Installation, Operation and Maintenance Manual 17 EXPANDING SEAL PLUG VALVE DOUBLE BLOCK & BLEED API6D - TWIN SERIES 6 . 0 V A LV E D I S A S S E M B LY The following should only be performed by an APV approved reconditioner. Note, The below parts refer to the general drawing in Table 2. This is a general overview drawing only. Each size & class range does vary so refer to the actual as-built drawing. TABLE 2 - APV PLUG VALVE ASSEMBLY - TYPICAL NO. DESCRIPTION 1 Hex Head Bolt 2 Packing Gland 3 O-Ring 4 O-Ring 5 Packing 6 Hex Nut 7 Stud 8 Upper Bonnet 9 Bushing 10 O-Ring 11 Gasket 12 Plug 13 Slip 14 NPT Plug 15 Body 16 Lower Bonnet Sample only - refer to as built drawing as design varies according to size, class & model variation.