OS
DESMI

NSLH (HT/LT)

DESMI NSLH — high-temperature variant of NSL for HT/LT engine cooling water circuits since 2005.

DESMI NSLH (HT/LT)
50-2000 m³/h
Capacity
Hot fresh water (HT/LT cooling)
Medium

🔧 Komponenten & Aufbau

Component data being added…

📊 Technische Daten

pump type Vertical in-line centrifugal pump (high-temp)
dn sizes mm [80, 100, 125, 150, 200, 250, 300]
flow range m3h [50, 2000]
head range m [15, 80]
variant count approx 120
period start year 2005
period end year None
drive type Electric
construction Cast iron, high-temp seals
successor series None

⚠️ Typische Ausfälle

  • Mechanical seal failure at HT cycling
  • Bearing wear
  • Cavitation under reduced NPSH
  • Casing thermal stress

🔍 Service & Wartung

HT service: seal every 6000h. Thermal cycling impact on alignment.

📦 Verschleißteile

Spare parts data being added…

High-temp seal cartridge, bearings, gaskets.
Equipment-Model #37502 · ✓ still in production