How to solve the problem of water leakage or rust in the forged steel check valve

  1. Forging steel check valve storage environment should be noted, should be stored in a dry and ventilated room, and block both ends of the passage.
  2. The forged steel check valve should be inspected regularly, and the dirt on it should be removed, and the anti-rust oil should be applied on the surface.
  3. Forged steel check valves after installation should be regularly inspected to ensure their normal operation.
  4. Check the valve sealing surface for wear and repair or replace it according to the situation.
  5. Check the trapezoidal thread wear of the valve stem and stem nut of the forged steel stop valve, whether the packing is out of date, etc., and make necessary replacement.
  6. Test the sealing performance of the valve to ensure its performance.
  7. The valve in operation should be in good condition, the bolts on the flange and the bracket are complete, the thread is not damaged, and there is no looseness.
  8. If the handwheel is lost, it should be timely and not replaced by a spanner wrench.
  9. The packing gland is not allowed to be skewed or has no pre-tightening clearance.
  10. If the valve is used in a harsh environment and is susceptible to dirt such as rain, snow, dust, sand, etc., a protective cover should be installed for the valve stem.
  11. The scale on the forged steel stop valve should be complete, accurate and clear, and the valve seal and cap.
  12. The problem of depression and crack of the insulated forged steel stop valve.
  13. Forging steel check valve in operation, avoid knocking on it, or supporting heavy objects.
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