What material should a globe valve for Hot Water (District Heating / Process Hot Water) be?

Carbon Steel (Excellent): Standard for district heating networks. SS 316L (Excellent): For pharmaceutical process hot water and where chemical compatibility is required. EPDM seals (Excellent): Best elastomer for hot water - stable up to 150°C. Ductile Iron (Good): Common for domestic/HVAC hot water circuits. Bronze/Brass (Good): For small-bore HVAC and domestic building services.

Hot Water (District Heating / Process Hot Water) service

Service Selection

Globe Valves for Hot Water (District Heating / Process Hot Water) Service

Which globe 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 globe valves for Hot Water (District Heating / Process Hot Water)?

Control Valve (globe type) - Differential pressure balancing and temperature control in heating circuits Typical service window: 6–25 barg, 60–180°C.

Recommended Configurations

Control Valve (globe type)

Differential pressure balancing and temperature control in heating circuits

Body Material for Hot Water (District Heating / Process Hot Water)

Rated from real compatibility data - click any material for the full decision page.

Carbon SteelStandard for district heating networks.Excellent SS 316LFor pharmaceutical process hot water and where chemical compatibility is required.Excellent EPDM sealsBest elastomer for hot water - stable up to 150°C.Excellent Ductile IronCommon for domestic/HVAC hot water circuits.Good Bronze/BrassFor small-bore HVAC and domestic building services.Good

Governing Standards for Hot Water (District Heating / Process Hot Water) Service

EN 14336 (district heating valves)ASME B16.34 EN 1092-1 (European flanges)DIN 4747 (district heating)

What to Avoid in Hot Water (District Heating / Process Hot Water) Service

Bronze valves for high-pressure district heating above 25 barg
PTFE-seated butterfly valves for high-temperature hot water - use EPDM

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)

Gate Valves for Hot Water (District Heating / Process Hot Water)Ball Valves for Hot Water (District Heating / Process Hot Water)Butterfly Valves for Hot Water (District Heating / Process Hot Water)Safety & Relief Valves for Hot Water (District Heating / Process Hot Water)

Globe Valves for other services

Globe Valves for Sulphuric Acid (H₂SO₄)Globe Valves for Chlorine (Cl₂)Globe Valves for Ammonia (NH₃)Globe Valves for High-Pressure Steam Globe Valves for Hydrogen (H₂)Globe Valves for Caustic Soda (NaOH)Globe Valves for Hydrofluoric Acid (HF)Globe Valves for Hot Oil (Thermal Heat Transfer Fluid)

Reviewed by Process Engineering, Vajra Industrial SolutionsDiscipline: Process & Fluid Service EngineeringLast reviewed: 20 June 2026

Connected Engineering

Standards

ASME B16.34

Products

Globe Valves Control Valves

Comparisons

Globe vs Gate Valve

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Relevant Products

Vajra Globe Valves

Engineering references

Hot Water (District Heating / Process Hot Water) service guideFull compatibility, standards & considerations Vajra Globe ValvesFull range, specs & standards Spec Check engineValidate this spec before the RFQ