"> ALLWEILER (CIRCOR/IDEX) NTT Serie (Hot Water/Thermal)
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ALLWEILER (CIRCOR/IDEX)

NTT Serie (Hot Water/Thermal)

ALLWEILER NTT for HT cooling water and thermal oil circulation on cargo heating systems and HT-cooling circuits. Used since 1985.

30-1500 m³/h
Capacity
Hot fresh water/thermal oil
Medium

Components & Design

Component data being added…

Technical Data

pump type High-temperature centrifugal pump
variant count approx 110
period start year 1985
drive type Electric
construction Cast iron with high-temp seals, max 350°C

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Common failures & inspection points

Mechanical seal leakage at high-temp cycling
Bearing wear from thermal expansion
Casing gasket leakage
Coupling element heat fatigue

Service & Maintenance

High-temperature service: seal replacement every 6000h. Alignment check after thermal cycling.

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Replacement Parts

High-temp seal cartridge, bearing set, high-temp gaskets. Lead time CIRCOR 6-10 weeks.
Equipment Model #37499 · ✓ still in production