Globe Valve Procurement Guide: Tips for Selection & Maintenance

Selecting the right globe valve is crucial for efficient flow control in pipelines. Here are the main factors to consider:

A. Material Selection

• Body Material: Choose based on fluid type—common options include cast iron, carbon steel, stainless steel, and bronze.

• Trim Material: Ensure compatibility with the medium (e.g., stainless steel trim for corrosive fluids).

B. Pressure & Temperature Ratings

• Verify the valve’s maximum pressure (PN/Class rating) and temperature limits to match system requirements.

C. Valve Size & End Connections

• Select the correct size (DN/NPS) and connection type (flanged, threaded, or welded) for seamless integration.

D. Flow Regulation Needs

• Globe valves excel in throttling; ensure the design suits your flow control requirements.

E. Standards & Certifications

• Look for compliance with industry standards (API, ANSI, ASME, ISO) for reliability and safety.

2. Globe Valve Maintenance Best Practices

Proper maintenance extends valve lifespan and prevents failures. Follow these tips:

A. Regular Inspection

• Check for leaks, corrosion, and wear on the valve body, stem, and seat.

• Monitor packing gland tightness to prevent stem leakage.

B. Lubrication

• Apply suitable lubricants to the stem and moving parts to reduce friction.

C. Operational Care

• Avoid excessive force when operating—use handwheels or actuators correctly.

• For high-temperature applications, allow gradual heating/cooling to prevent thermal stress.

D. Cleaning & Repairs

• Flush the valve periodically to remove debris.

• Replace worn components (seats, discs, gaskets) promptly to maintain sealing efficiency.

E. Storage Recommendations

• Store valves in a dry, clean environment with protective caps on openings.

Conclusion

Choosing the right globe valve and maintaining it properly ensures optimal performance and longevity. For expert advice on valve selection, contact our team today!