Resolving Common Issues of Forged Steel Gate Valves

 
Forged steel gate valves play a crucial role in industrial production. However, during prolonged usage and maintenance, some common yet easily overlooked issues may gradually emerge, affecting the equipment's performance and lifespan. Below, we provide detailed explanations of these common issues along with corresponding solutions to assist users in better maintaining and managing forged steel gate valves.
 
1. Greasing Quantity
 
Greasing quantity problems are common in the maintenance of forged steel gate valves. Insufficient greasing can lead to inadequate lubrication of sealing surfaces, accelerating wear and tear, while excessive greasing can result in resource wastage. The key to solving this issue lies in accurately calculating the sealing capacity and determining the appropriate greasing quantity based on different valve types and sizes. Additionally, it's essential to ensure that the selected lubricant suits the working environment.
 
2. Greasing Pressure
 
The variation in greasing pressure during greasing operations is often overlooked. Both excessively low and high pressures can lead to problems such as seal leakage and malfunctioning safety valves. Solutions to this problem include regular inspection and adjustment of greasing pressure to ensure it remains within the appropriate range. Additionally, appropriate pressure relief devices should be used as needed.
 
3. Switching Position
 
The switching position of valves is frequently neglected during maintenance. Particularly for forged steel gate valves, it's crucial to conduct maintenance in the closed position to prevent lubricants from directly entering the flow passage or valve cavity, thereby avoiding waste and contamination. After greasing, it's essential to promptly inspect and adjust the valve's switching position to ensure it is correct.
 
4. Drainage and Pressure Relief
 
Drainage and pressure relief are often overlooked details but are crucial for the safe operation of equipment. Before greasing operations, it's necessary to ensure that drainage and pressure relief devices are functioning correctly to facilitate smooth greasing operations and ensure the safe use of valves.
 
5. Alignment between Diameter and Sealing Seat
 
Misalignment between diameter and sealing seat can lead to inadequate valve closure, affecting the equipment's normal operation. The key to solving this issue lies in adjusting limiters to ensure the diameter is straight and sealing the greasing port after greasing to prevent the entry of impurities or oxidation of grease, which could compromise sealing.
 
6. Sequential Oil Delivery
 
Considering the differing properties of various oil products, maintenance plans should be tailored accordingly. For operations involving gasoline, timely greasing replenishment is essential to prevent wear, while regular cleaning of lubrication devices on valve stems ensures their proper functioning.
 
In summary, By effectively addressing these common issues, we can improve the reliability and efficiency of forged steel gate valves. This ensures safe equipment operation, prolongs equipment lifespan, and reduces maintenance costs. Ultimately, this contributes to the seamless progression of industrial production.