Small flow chemical process pump (OH2)

Parameter range

Caliber: DN 15~50mm

Flow rate: Q 0.3~15 m³/h

Head: H 4.5~ 160m

Temperature: T -80~+450℃

Design pressure: P ~5.0MPa

Scope of application

Petrochemical plant/oil refinery

Chemical industry/paper-making, textile

Organic chemical/light industry, food and pharmaceutical industry

Material standard

Casing: cast iron / spheroidal graphite cast iron / stainless steel / duplex stainless steel
Shaft: stainless steel / alloy steel
Impeller: cast iron / bronze / stainless steel / duplex stainless steel


It is a single-stage, horizontal, radially split pump;

The casing is of a centerline support type, and it has an annular passage inside and a top outlet in the middle. Diffuser, provided between the casing and the impeller, is fastened on the casing cover with bolts;

The impeller is a front semi-open impeller with pump-out vanes and balancing holes for the axial thrust; the impeller vanes are straight vanes, and the long and short vanes are staggered; the impeller and the shaft are connected by threads without impeller nuts. The sealing system can be provided with stuffing box seal, single-face, double-face, and tandem mechanical seal according to the requirements of operating conditions.

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