Flowserve Trunnball DL Ball Valves IOM Manuel d'utilisateur

Experience In MotionUSER INSTRUCTIONSInstallationOperationMaintenanceNAF Trunnball DL Ball ValvesFCD NFENIM4168-01-A4 01/15

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NFENIM4168-01-A401/15flowserve.comTo find your local Flowserve representative or for more information about Flowserve Corporation, visit www.flowserve

2ContentsSAFETY 31 General 32 Lifting 43 Receiving Inspection 44 Installation 45 Commissioning 46 Bill of Materials and Recommended Spare Parts

3NAF Trunnball DL Ball Valves NFENIM4168-00-A4 01/15flowserve.comSAFETY• Assessallriskstoeliminatethepossibilityofpersonalinjuryandmaterial

42 LiftingAll lifting must be carried out on the valve itself and not on the actuator. The mounting connection between the valve and the actuator is d

5NAF Trunnball DL Ball Valves NFENIM4168-00-A4 01/15flowserve.comFigure 3 120217109811131276181924145231534162522216 Bill of Materials and Recommended

67 Ordering of Spare PartsWhen placing an order for spare parts, specify:• NAF-No:speciedontheidenticationplateofthevalve.• Recommendedsp

7NAF Trunnball DL Ball Valves NFENIM4168-00-A4 01/15flowserve.com4 Remove the ball (3), trunnion plates (21) and bearing washer (25), which is simple

8 8.4 Valves with hard chrome plated ball and seat rings in Alloy 61 Check the sealing surfaces of the seat rings (4). Minor damage totheseatscan

9NAF Trunnball DL Ball Valves NFENIM4168-00-A4 01/15flowserve.comFigure 7 – Stem packing for standard (left) and fire-safe version (right)8 Fit a new