Samson V2001 Series Mounting And Operating Instructions

Also see for 3535: Mounting and operating instructions

Contents

EB 8135/8136 EN 19Maintenance5.2.2 Diverting valveDisassembly1. In valves ≤DN 50, unscrew the lock nut(6.2) and stem connector nut (6.1) fromthe plug stem.2. Unscrew the coupling nut (5.1) from thebellows housing. Remove nuts (1.1) andlift off the flange (5.4).3. Pull out the bellows housing (5.2) andbellows seal as far as they will go. Placean open-end wrench SW 10 (≤DN 50)or SW 13 (≥DN 65) at the side on thehexagon (X) or at the flattened area ofthe plug stem to hold the stem stationary.Loosen the nut (12) and remove thewrench.4. Unscrew the nut (12). Remove the two re-taining washers (12.2) and washer(12.1).5. Pull the bellows seal (5) out of the bel-lows housing and remove the body gas-ket (1.2).6. Carefully clean all the parts and checkthem for damage. Renew defective parts.7. DN 15 to 25Unscrew the top seat (2.1). Remove theplug (3) from the valve body. Take outthe bottom seat (2.2).DN 32 to 50Remove the top plug (3.1) and the threesleeves (10.1, 10.2, 10.3) from the valvebody.DN 65/80Remove the top plug (3.1) and the foursleeves (11.1, 11.2, 11.3, 11.4) fromthe valve body.8. DN 32 to 80Unscrew the top and bottom seat (2.1,2.2) using a suitable seat wrench (seesection 5.3) from the valve body.Remove the bottom plug (3.2) from thevalve body.9. Carefully clean all the parts and checkthem. If necessary, renew or machinethem.AB AB12.21212.11.16.16.25.355.2X5.41.24.24.35.13.2Fig. 12: Valve bonnet with bellows seal