OH2 Low-Flow, High-Head Petrochemical Process Pumps
(VMH03X Series)
The VMH03X series pumps are single-stage overhung heavy-duty petrochemical process pumps featuring end suction, top discharge, radially split casing, and centerline support, classified as API 610 OH2 type.
Product Features
Customized for low-flow, medium/high-head, and low-NPSHa conditions
01
Expands the original API-OH2 range map to cover the low-flow range
02
Can replace some high-speed pumps, multistage pumps, and piston pumps with head <400m
03
Flow range: 1~28 m³/h
04
Available in single-stage or two-stage overhung configurations
05
Single-stage head up to 200m (3000rpm), two-stage head up to 400m (3000rpm)
06
Achieves NPSHr ≤1.5m (3000rpm) without an inducer
07
Open fan impellers with optimized flow path design ensures dynamic balance of axial forces for stable low-flow operation
08
Reasonable clearances between the impellers and casing suit particle-laden media; optional wear-resistant coatings enhance durability
09
Product Introduction
Performance Range
Standard
Performance Range
Flow Rate (Q)
1~28 m³/h
Head (H)
8~400 m
Rotational Speed (n)
1480, 2980 rpm
Design Pressure (P)
5.0, 11.0 MPa
Operating Temperature (T)
-80℃ to +427℃
Standard
Standard
API 610 12th Edition Centrifugal Pumps for Petroleum, Petrochemical, and Natural Gas Industries
Applications
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Petroleum Processing, Production, and Transportation
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Coal Chemical Processes
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Petrochemical and Chemical Processes
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Natural Gas Industry
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Metallurgy
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Power
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Offshore Industry
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Particle-Laden Conditions
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High-Temperature Applications
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General Industry
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