Products Description
Struggling with material oxidation, moisture caking, or contamination in your sensitive powder/liquid storage? Guanjiang’s Stainless Steel Vacuum Tank is a sealed, multi-functional process vessel that maintains a precise negative pressure environment. It does more than store — it prevents oxidative degradation, blocks moisture absorption, and enables dust-free vacuum conveying. Engineered with 316L stainless steel, electropolished surfaces, and optional CIP/SIP systems, it’s the ideal choice for APIs, probiotics, high-purity chemicals, and valuable food ingredients.
Key Advantages of Our Stainless Steel Vacuum Tank
Superior Material Protection
Removes oxygen and moisture — prevents oxidation, caking, and hydrolysis. Extends shelf life of vitamins, essential oils, milk powder, and pharmaceutical APIs.
Hygienic & Sterilizable
304/316L with electropolished surfaces (low Ra). Fully sealed system supports CIP (Clean-in-Place) and SIP (Steam-in-Place) — compliant with GMP, FDA, 3A standards.
Multi-Functional & Safe
Integrates storage, mixing, reaction, and conveying. Customizable with jackets, agitation, spray balls. Reinforced structure withstands external pressure.
Automated & Efficient
PLC-controlled vacuum pumping, pressure holding, and feeding cycles. Reduces manual intervention, ensures batch consistency, and accelerates reaction processes.
Technical Specifications & Core Features
| Parameter | Specification / Options |
|---|---|
| Material Grade | Stainless Steel SUS304 / 316L (thickness customized per vacuum rating) |
| Vacuum Level | -0.05 MPa to -0.098 MPa (customizable based on process requirements) |
| Volume Capacity | 50L, 100L, 200L, 300L, 500L, 800L, 1000L, 2000L, 5000L (custom up to 30,000L) |
| Surface Finish | Mechanical polishing / Electropolishing; Inner surface Ra≤0.4μm (mirror finish optional) |
| Working Pressure | Negative pressure (vacuum) / Full vacuum rating available |
| Cleaning System | Optional CIP spray balls, SIP (steam-in-place) connections |
| Optional Accessories | Heating/cooling jacket, agitation system, level sensor, pressure gauge, vacuum breaker |
Core Working Principle:
A vacuum pump extracts air from the tank to achieve and maintain a set vacuum level. This process removes oxygen (prevents degradation), removes moisture (prevents caking), creates a sterile environment (inhibits aerobes), and provides conveying power (enables dust-free suction of materials).
Key Considerations for Vacuum Tank Selection
Q: What is the difference between a standard storage tank and a vacuum tank?
A: A standard atmospheric tank is not designed to withstand external pressure. A vacuum tank has a reinforced, precisely calculated structure to resist implosion under negative pressure. It also includes vacuum-rated seals, gauges, and valves — making it far more robust and suitable for oxygen/moisture-sensitive materials.
Q: Can your vacuum tank be used as a vacuum receiver for conveying systems?
A: Absolutely. Our vacuum tank can serve as the receiving vessel in a vacuum conveying system. The internal negative pressure automatically "sucks" materials from a pickup point (e.g., bag dump station, IBC bin) into the tank — enabling dust-free, enclosed charging. This is a key advantage over standard tanks.
Q: How do you clean and sterilize the vacuum tank between batches?
A: We offer CIP (Clean-in-Place) spray balls that rotate 360° to cover all internal surfaces. For sterile applications, we can add SIP (Steam-in-Place) connections to inject live steam into the vessel. Both can be automated via PLC for reproducible cleaning cycles, fully compliant with pharma and food GMP requirements.
Q: What industries and materials are best suited for a vacuum tank?
A: Pharmaceuticals (APIs, sterile formulations, vaccines), Food & Beverage (probiotics, milk powder, natural colors, essential oils), Chemicals (high-purity reagents, lithium battery electrolytes), and Cosmetics (active ingredients). Any material that oxidizes, absorbs moisture, or requires a sterile environment is ideal.
Need a custom vacuum tank for your sensitive material handling?
Request a Quote → Download Vacuum Tank Datasheet (PDF)* Please specify your required vacuum level, volume, material (powder/liquid), and whether CIP/SIP is needed for an accurate quotation.


