Cooling Water service
Service Selection
Strainers for Cooling Water Service
Which strainers configuration suits Cooling Water, in which material, to which standard — from real service data, with the pitfalls flagged.
Which strainers for Cooling Water?
Y-strainer - Essential before heat exchangers, condensers, and control valves Typical service window: 1–16 bar, 10–50°C (open circuit); up to 90°C (closed loop).
Recommended Configurations
Y-strainer
Essential before heat exchangers, condensers, and control valves
Body Material for Cooling Water
Rated from real compatibility data - click any material for the full decision page.
Governing Standards for Cooling Water Service
What to Avoid in Cooling Water Service
- Unlined cast iron valves in biocide-treated or chlorinated cooling water
- Bronze/brass valves where zinc dezincification is a risk (low pH, high flow)
- PTFE-seated ball valves where biofouling on ball seat is a risk
Service Considerations
- Velocity below 1 m/s in carbon steel - deposits and under-deposit corrosion
- Y-strainer mesh sizing: 3mm mesh for cooling tower water, 1mm before instruments
- Biofouling: full-bore ball valves allow easier pigging/flushing
- Legionella risk in open cooling towers - no dead-legs in cooling water design
Other valve types for Cooling Water
Strainers for other services
Reviewed by Process Engineering, Vajra Industrial SolutionsDiscipline: Process & Fluid Service EngineeringLast reviewed: 20 June 2026
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