World-class quality, redefined in China
Precision manufacturing for global industrial fluid innovation
About VOLM
Vacuum Pump Series
Precision-engineered vacuum for demanding processes
2BV Series Liquid Ring Vacuum Pumps
Capable of suctioning high-humidity gases (including saturated steam), gases containing solid particles, as well as toxic, corrosive, flammable, explosive, and hazardous gases. Coaxial motor and pump design achieves 30% more compact size; light-load, high-speed operation delivers higher efficiency at the same flow rate.
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2BE1/2BE1S Series Liquid Ring Vacuum Pumps and Compressors
Single-stage 2BE1 operates efficiently within 15-30kPa (A); two-stage 2BE1S operates efficiently within 8~20kPa (A), and two-stage compression with optimized compression ratio allocation at each stage ensures high energy efficiency. Capable of suctioning high-humidity gases (including saturated steam), gases containing solid particles, as well as toxic, corrosive, flammable, explosive, and hazardous gases.
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2BE3 Series Liquid Ring Vacuum Pumps and Compressors
Low-speed, heavy-load design; with a cavitation protection device; stainless steel shaft sleeve enhances shaft service life. Internal inspection of the pump and replacement of the exhaust valve plate, shaft sleeve, and shaft seal can be performed through inspection ports without disassembly.
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Centrifugal Pump Series
Stable, efficient flow shaped by precision engineering
ANSI Standard Centrifugal Pumps (VMH01 Series)
The VMH01 series pumps are single-stage overhung petrochemical process pumps featuring end suction, top discharge, radially split casing, foot-mounted support, and a spiral volute pressure chamber.
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OH1 Petrochemical Process Pumps (VMH02Z Series)
The VMH02Z series pumps are single-stage overhung petrochemical process pumps featuring end suction, top discharge, radially split casing, foot-mounted support, and a spiral volute pressure chamber, classified as API 610 OH1 type.
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OH2 Heavy-Duty Petrochemical Process Pumps (VMH03 Series)
The VMH03 series pumps are single-stage overhung heavy-duty petrochemical process pumps featuring end suction, top discharge, radially split casing, centerline support, and a spiral volute pressure chamber, classified as API 610 OH2 type.
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About VOLM
VOLM develops and manufactures vacuum pumps, liquid-ring compressors and petrochemical process pumps to international standards.
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- 96YearsCompany history
- 107,000㎡Site area
- 200Employees
Continuous InnovationDelivering quality and efficiency
Improving total operating value
Continuous innovation
Efficient, durable pumps and custom solutions for demanding applications.
Stable product quality
Smart production and micron-level manufacturing built around recognized standards.
Lifecycle service
Consulting, delivery, support, upgrades and training across the equipment lifecycle.
Extensive project experience
Global project delivery across petrochemical, pharmaceutical and aerospace sectors.
