Val-matic Rubber-Seated Ball Valve Manual do Utilizador

Manual No. BV-OM1-3 Val-Matic® Rubber-Seated Ball Valve Operation, Maintenance and Installation Manual INTRODUCTION ...

10TROUBLESHOOTING Several problems and solutions are presented below to assist you in troubleshooting the valve assembly in an efficient manner. 

11REASSEMBLY All parts must be cleaned and gasket surfaces should be cleaned with a stiff wire brush in the direction of the serrations or machine ma

124. Apply a thin film of FDA silicone grease such as Dow Corning #7 to the exposed rubber surface and close the valve so that the ball is parallel

2CAUTION: Do not use valve for line testing at pressures higher than nameplate rating or leakage and damage to valve may occur. VAL-MATIC'S

3ITEM DESCRIPTION MATERIAL 1 Body Gray or Ductile Iron 2 Body Seat Stainless Steel 3 Ball Gray or Ductile

4INSTALLATION REQUIREMENTS Ball valves are a significant component of any water pumping system or wastewater system. Valve failure caused by faulty i

5prevent time lost searching for leaks, where feasible, it is recommended that excavations for buried valves not be backfilled until after pressure t

6 10. Buried valves installed with valve boxes shall be installed so that the valve box does not transmit shock or stress to

7INSTALLATION (Cont'd) GEAR OPERATED VALVES: Ball Valves are provided with traveling-nut actuators. A traveling nut actuator (Figure 6) has a

8VALVE SEAT ADJUSTMENT: If the valve is found to leak in service, the rubber seat can be adjusted. With the valve in the closed position, tighten th

9ITEM DESCRIPTION MATERIAL 21 Bevel Gear Hsg. Cast Iron 22 Mounting Bolts Steel 23 Cover Cast Iron 24 Cover Bol