Page 1 Page 2 Page 3 Page 4 Page 5 Page 6 Page 7 Page 8 Page 9 Page 10 Page 11 Page 12 Page 13 Page 14 Page 15 Page 16 Page 17 Page 18 Page 19 Page 20Australian Pipeline Valve - Installation, Operation and Maintenance Manual 12 If a gasket seal is disturbed while removing a adjusting gasketed parts, APV recommends installing a new gasket while reassembling. A proper seal is required to ensure optimum operation. LINED BUTTERFLY VALVES - MODEL 2014 & 2016 SERIES FIGURE 11 This is a general drawing only, design will vary depending on size, class, trim, etc. Refer to as-built drawing. 6.1 SPARE PARTS All gear operators are lubricated for life at assembly and should not require service. In the event of a gear operator suffering damage or excessive wear, it is suggested that the complete gear operator be replaced. Only the handwheel, pin/cover, and some adaptor bushings are available for repair parts. If under 350 NB (14”) it is usually just as cheap to replace the whole valve as it is to repair it unless the valve is a special specification like stainless body. See the sample bill of material shown above. Replacement rubber liners and stem seal kits are available. MATERIALS 1. Body Cast iron, stainless ductile iron, aluminium, carbon steel, stainless steel, etc. 2. Disc 316SS, 304SS, AL- Bronze, hard epoxy coated, hard rubber coated, nickel plated, PTFE coated, 410SS, etc. 3. Stem 316SS, 304SS, PTFE coated, AL-Bronze cl 4. Seat* NBR (90º - 100ºC), EPDM (90ºC) teflon, food grade rubber, Buna-N, Viton, Hypalon, etc. 5. Retaining Pin/ Gland Ring 304SS/316SS/410SS 6. Bottom Bushing Bronze/Nylon 7. O-Rings NBR (nitrile)/EPDM 8. Upper Bush Delrin/Nylon/Bronze *Optional backing seal required on some solid and high pressure seats 4* 4* Check the packing box for pressurised process fluids even after the valve has been removed from the pipeline, particularly when removing packing hardware or packing rings, or removing packing box pipe plug. Do not attempt to change the stem seals while the valve is in-line, it is not possible or allowable.