"> Allweiler (CIRCOR/IDEX) SNH Serie

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Allweiler (CIRCOR/IDEX)

SNH Serie

Allweiler (Germany, founded 1860 Radolfzell, now part of CIRCOR/IDEX) is alongside IMO the second major three-screw pump manufacturer worldwide. The SNH series is standard for HFO transfer, booster and fuel supply throughout the entire European and largely Asian newbuilding fleet since 1980. Known for robust design and easy maintenance.

5-400 m³/h

Capacity

HFO/MDO/Thermal Oil/Lube Oil

Medium

Components & Design

Component data being added…

Technical Data

pump type Three-screw pump

variant count approx 85

period start year 1980

drive type Electric

construction Cast iron, hardened nitrided screws, multiple seal options

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Common failures & inspection points

●Screw wear from contaminated HFO

●Mechanical seal leakage

●Relief valve sticking

●Bearing wear with low-viscosity fuels

Service & Maintenance

Major overhaul 25000h. Seal 8000h. Daily pressure log.

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Replacement Parts

Allweiler MarineCare network globally. Stock screw set, seal cartridge, bearings.

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Equipment Model #37562 · ✓ still in production