Stainless Steel Gear Pump For Negative Pressure Discharge

It solves the transportation difficulties of high-viscosity resin, essential oil, polymer and additives under vacuum environment with strong self-priming performance.

Jacketed heating structure is optional for hot oil or hot water circulation, avoiding material solidification at low temperature.

Precision gear pair ensures stable flow and high metering accuracy. Multiple sealing options including magnetic seal, mechanical seal and packing seal are available to meet leak-free production requirements.

Application:

Molecular distillation equipment, epoxy resin production, pharmaceutical intermediates, flavors & fragrances, grease and various high-viscosity organic materials vacuum conveying.

Advantages

✅ Stable operation under vacuum negative pressure, anti-cavitation for reactor bottom feeding

✅ SS304/SS316 construction, resistant to weak acid and alkali corrosion

✅ Optional heating jacket for easily solidified medium

✅ Continuous steady flow, variable frequency control for quantitative transfer

✅ Multiple sealing types, magnetic drive version achieves zero leakage

FAQ:

Q1: What negative pressure conditions is this pump suitable for?

A: It is suitable for various negative pressure working conditions such as short-path molecular distillation, reactor bottom discharge, vacuum rectification, and vacuum defoaming. It can stably convey media in a vacuum environment and solve the problems of easy cavitation and poor conveying of conventional pumps in negative pressure environments.

Q2: What materials are available for the pump body, and how is its corrosion resistance?

A: The standard material is 304 stainless steel, and 316 stainless steel is optional. It has good corrosion resistance to weak acids and weak alkalis, suitable for conveying corrosive media in chemical, pharmaceutical, food and other industries, with longer service life.

Q3: Is jacketed heating supported, and what are the heating methods?

A: An optional jacketed heating structure is supported, which can be heated by circulating hot oil or hot water. It effectively prevents easily solidified media such as high-viscosity resins and essential oils from solidifying due to temperature drop during transportation, ensuring continuous conveying.

Q4: What sealing types are available, and can it achieve leak-free conveying?

A: Multiple sealing types are optional, including magnetic seal, mechanical seal and packing seal. Among them, the magnetic seal can achieve zero-leakage conveying, meeting the strict requirements of the chemical industry for leak-free production.

Q5: Can it convey high-viscosity materials, and is the flow rate stable?

A: It can convey high-viscosity materials such as resins, polymers and adhesives. The precision gear pair design ensures continuous and stable flow rate, and variable frequency speed regulation is supported to meet quantitative conveying requirements.

Q6: Is it easy to install and maintain?

A: Flange connection design enables easy installation; optimized structure is easy to disassemble, with simple daily maintenance. Wearing parts can be replaced quickly, reducing maintenance costs and downtime.

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