Glass Vacuum Filter – Stainless Steel Laboratory Vacuum Filtration System

The Stainless Steel Vacuum Filter is a heavy-duty, corrosion-resistant filtration unit built for precision liquid-solid separation in modern laboratories. Engineered with a stainless steel funnel, support frame, and sealed vacuum assembly paired with a high-clarity GG17 glass collection flask, this unit delivers stable performance, long service life, and excellent chemical compatibility. It is widely applied in pharmaceutical research, chemical processing, environmental testing, food sample preparation, and solvent purification.

This stainless steel vacuum filtration system creates negative pressure through an external vacuum pump, pulling liquid through a filter membrane or filter cloth. Solid particles are trapped on the filter surface while clear liquid flows into the sealed glass collection flask. The stainless steel funnel ensures uniform liquid distribution, while the anti-suckback structure protects samples and equipment from contamination. The transparent glass receiver allows full visibility of the filtration process for real-time observation and control.

• All-in-one stainless steel frame and funnel for enhanced durability and stability
• High vacuum level up to 0.098MPa for fast and efficient filtration
• Double anti-suckback safety system prevents liquid backflow and contamination
• GG17 high borosilicate glass collection flask with excellent heat and corrosion resistance
• Standard φ80 flange design for quick assembly and strong sealing
• Built-in vacuum gauge and control valve for easy pressure adjustment
• Tool-free disassembly for fast cleaning, filter replacement, and maintenance
• Wide compatibility with filter membranes, filter papers, and filter cloths

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1. Stainless steel filtration funnel with standardized flange
2. Reinforced stainless steel support bracket
3. GG17 spherical glass collection bottle
4. Sealed vacuum pipeline and connectors
5. Anti-suckback safety assembly
6. Vacuum gauge and regulating valve
7. Standard exhaust and discharge valves

This stainless steel vacuum filter supports a wide range of laboratory and industrial filtration tasks:

• High-speed liquid-solid separation for chemical and pharmaceutical experiments
• Sterile filtration and sample preparation in medical and biotech labs
• Clarification and purification of solvents, reagents, and mobile phases
• Food and beverage sample filtration and impurity removal
• Environmental water quality analysis and fluid testing
• Cosmetic raw material filtration and refinement

We provide full customization to meet specific application requirements:

• Capacity customization from 10L up to 100L
• Upgrade to 316L stainless steel for strong corrosion resistance
• Custom flange sizes, filter fittings, and vacuum connections
• Complete turnkey system with vacuum pump and accessories
• Special design for high-viscosity and corrosive materials

Q: What is a stainless steel vacuum filter used for?
A: It is used for efficient liquid-solid separation, sample clarification, solvent purification, and sterile filtration in labs and industrial applications.

Q: Does this system include anti-suckback protection?
A: Yes, it features a dual anti-suckback design to prevent backflow and sample contamination.

Q: What vacuum pressure does it support?
A: It operates stably at a vacuum level up to 0.098MPa for fast filtration performance.

Q: Can I use different filter media?
A: Yes, it supports filter membranes, filter papers, and filter cloths for various precision levels.

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