Hot Water (District Heating / Process Hot Water) service
Service Selection
Butterfly Valves for Hot Water (District Heating / Process Hot Water) Service
Which butterfly valves configuration suits Hot Water (District Heating / Process Hot Water) (H₂O (pressurised)), in which material, to which standard — from real service data, with the pitfalls flagged.
Which butterfly valves for Hot Water (District Heating / Process Hot Water)?
Butterfly Valve (ductile iron, EPDM seat) - Volume control in HVAC and district heating distribution - EPDM seat rated to 150°C Typical service window: 6–25 barg, 60–180°C.
Recommended Configurations
Butterfly Valve (ductile iron, EPDM seat)
Volume control in HVAC and district heating distribution - EPDM seat rated to 150°C
Body Material for Hot Water (District Heating / Process Hot Water)
Rated from real compatibility data - click any material for the full decision page.
Governing Standards for Hot Water (District Heating / Process Hot Water) Service
EN 14336 (district heating valves)ASME B16.34EN 1092-1 (European flanges)DIN 4747 (district heating)
What to Avoid in Hot Water (District Heating / Process Hot Water) Service
- Applies to this type: PTFE-seated butterfly valves for high-temperature hot water - use EPDM
- Bronze valves for high-pressure district heating above 25 barg
Service Considerations
- EPDM seats required for hot water above 90°C - PTFE seats suitable only for static sealing
- District heating: large-bore butterfly valves with electric actuators for remote operation
- Balancing valves (PICV) essential in large networks to maintain design flow in each circuit
- Thermal insulation of valve bodies required to minimise heat loss in district heating networks
Other valve types for Hot Water (District Heating / Process Hot Water)
Butterfly Valves for other services
Butterfly Valves for Sulphuric Acid (H₂SO₄)Butterfly Valves for Hydrochloric Acid (HCl)Butterfly Valves for SeawaterButterfly Valves for LNG / Cryogenic Natural GasButterfly Valves for Caustic Soda (NaOH)Butterfly Valves for Phosphoric Acid (H₃PO₄)Butterfly Valves for Nitric Acid (HNO₃)Butterfly Valves for Cooling Water
Reviewed by Process Engineering, Vajra Industrial SolutionsDiscipline: Process & Fluid Service EngineeringLast reviewed: 20 June 2026
Connected Engineering
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