Wafer butterfly valve installation – TWT Valves Teach You

TWT Valves As China wafer butterfly valve manufacturer and supplier, we may show you important information related to methods of wafer butterfly valve installation below:

  • Inspect the valve and pipeline flanges to ensure surfaces are clean and undamaged.
  • Place gaskets on both sides of the valve body. Ensure they are centered and evenly aligned.
  • Insert the valve between the two pipeline flanges, aligning the bolt holes.
  • Insert bolts through the aligned holes of the pipeline flanges and valve flanges/body.
  • Hand tighten nuts in a crisscross pattern to initially secure the valve in place evenly.
  • Use a calibrated torque wrench to tighten bolts to the specified torque value in multiple passes. Tighten in a star pattern.
  • Check gasket compression and bolt torque values around the valve to ensure an even tight seal.
  • Attach the valve actuator and test operation by rotating the disc fully open and closed.
  • Measure disc clearance in the valve seat when fully closed on both sides. Adjust as needed.
  • Insulate the valve as specified for the process conditions.
  • Slowly introduce process flow and check for leaks. Tighten flange bolts further if leaks occur.
  • Commission valve by performing several open/close cycles under process conditions.