Stainless Steel Gear Pump For Vacuum Discharge

The pump features optimized sealing and NPSHr (Net Positive Suction Head Required) performance, enabling the smooth extraction of high-viscosity materials from negative-pressure vessels. It effectively resolves issues such as difficult discharge, insufficient suction, and flow interruption. Additionally, it can be equipped with a heating jacket to handle materials prone to solidification-such as resins, asphalt, and adhesives-ensuring stable transfer and precise metering.

Key Features
Vacuum/Negative Pressure Discharge Capability: Optimized internal pump structure and low NPSHr enable stable suction and discharge within vacuum reactor environments, preventing cavitation or flow interruption.
Stainless Steel Construction: Pump body made of 304/316L stainless steel offers corrosion resistance, making it suitable for chemical, fine chemical, and pharmaceutical applications.
Optional Thermal Jacket: Available with a heating jacket for circulating thermal oil or hot water, preventing high-viscosity materials from cooling and solidifying.
High Metering Precision: Features a precision gear set; flow rate is controlled via rotational speed, ensuring stable output suitable for quantitative discharge processes.
Versatile Sealing Options: Available with single mechanical seals, double mechanical seals, or leak-free magnetic drives; suitable for handling toxic or volatile media and minimizing air leakage on the vacuum side.
Flexible Drive Options: Compatible with servo motors and variable-frequency drive (VFD) motors for precise flow control.

Typical Applications
Discharging vacuum reactors and negative-pressure vessels; processing resins, polymers, adhesives, asphalt, pharmaceutical intermediates, and fine chemicals; extraction and quantitative discharge of high-viscosity materials under negative pressure.

Technical Highlights
Application: Vacuum discharge from reaction vessels
Pump Body Material: 304 / 316L stainless steel
Cavitation: Optimized NPSHr for improved vacuum suction performance
Optional Configurations: Thermal insulation jacket; magnetic drive (sealless/leak-free)
Maximum Operating Pressure: Up to 280 bar
Compatible Media: Resins, adhesives, asphalt, polymers, and various high-viscosity chemical materials

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