Description

Stainless Steel Steam Vessels | Steam Jacketed  Kettle

Product Overview

What is a steam jacketed  kettle AKA an industrial steam vessel?

A steam-jacketed kettle is a specialized cooking and processing vessel featuring a double-walled construction (a “jacket”) that circulates pressurized steam around an inner bowl to heat and cook contents evenly.

How It Works

The vessel uses indirect heat transfer:

1. Double-Wall Design: An inner bowl sits inside an outer shell, leaving a hollow space or jacket where steam flows.
2. Steam Inlet: Dry saturated steam from your boiler enters the outer jacket under controlled pressure.
3. Indirect Heating: Steam enters the jacket and transfers heat via conduction through the inner walls of the kettle.
4. Heat Transfer: Thermal energy transfers uniformly across the inner stainless steel wall into the liquid product.
5. Even Distribution: Unlike a traditional pot on a burner that only heats the bottom, a steam-jacketed kettle provides uniform heat across both the bottom and the sides. This eliminates hot spots and prevents scorching or burning of sensitive foods.
6. Condensate Removal: Condensate drains out through an integrated steam trap assembly at the base, maintaining peak steam quality.
7. Agitation & Discharge: An optional agitator keeps viscous liquids moving for uniform temperature distribution until the batch is ready for discharge.

Who This Product Is For | Common Applications

This vessel is engineered for commercial food processing plants, dairy cooperatives, pharmaceutical manufacturers, and chemical formulators seeking reliable, locally supported processing equipment. As premier steam jacketed mixing tank manufacturers in Kenya, we build each unit to integrate into your existing factory utilities.

• Commercial Kitchens & Food Processing: Used to rapidly cook bulk quantities of soups, stews, sauces, gravies, jams, ketchups, and fruit pulps—often cutting cooking time by up to one-third compared to standard stockpots.
• Dairy Industry: Ideal for batch milk heating, yogurt mix preparation, and cheese curd processing.
• Beverage & Brewing: Used for wort boiling, syrup mixing, and liquid sugar dissolving.
• Chemical & Cosmetics: Applied in formulating creams, lotions, shampoos, and liquid detergents.
• Pharmaceutical & Industrial Processing: Used for evaporating solvents, concentrating aqueous liquid extracts, or preparing thermostable mixtures under sanitary conditions.

Industrial Stainless Steel Steam Vessels & Steam Jacketed Kettles by Raydan Stainless Steel Fabricators

At Raydan Stainless Steel Fabricators, we manufacture high-quality long-lasting stainless-steel steam vessels for sale in Kenya designed to withstand the extreme pressures and temperatures required for cooking, sterilization, and energy storage. Our vessels are engineered with precision to ensure uniform heat distribution, reducing processing times and energy consumption for your facility.

From jacketed kettles to high-pressure accumulators, every vessel is fabricated to meet rigorous safety standards. A failure in a pressure vessel can be catastrophic; therefore, we prioritize structural integrity and material quality in every build. If you are seeking expert industrial steam vessel manufacturers in Nairobi, Raydan provides the technical excellence and custom fabrication capabilities required to power your industrial thermal processes.

As an established industrial stainless steel boiler fabricator in Nairobi, Raydan designs double-wall and dimple-jacketed vessels that allow high-pressure dry steam to heat process liquids indirect of direct contact. This indirect heating prevents localized scorching, preserves product flavor and nutrient integrity, and ensures batch-to-batch consistency.

If your facility operates stainless steel industrial steam boilers, our steam vessels connect directly to your steam lines to deliver maximum heat transfer efficiency. Custom-built to match your factory footprint and production capacity, each unit balances mechanical strength with sanitary safety.

Key Features and Practical Benefits of our Industrial Stainless Steel Steam Vessels & Steam Jacketed Kettles

• Dimple, Half-Pipe, or Full-Jacket Heating: The vessel jacket evenly transfers thermal energy across the bottom and side walls. This shortens heating cycles and eliminates hot spots.
• Integrated Safety Instrumentation: Every vessel comes standard with calibrated pressure gauges, spring-loaded safety relief valves, and vacuum breaker valves. This protects operators and prevents vessel collapse during rapid cooling cycles.
• Ergonomic Tilting & Bottom Discharge: Choose manual or motorized tilting mechanisms for high-viscosity products, or a sloped bottom with a sanitary tri-clamp drain valve for complete fluid recovery.
• Hygienic Internal Surface Finish: Internal welds are ground smooth to Rₐ ≤ 0.4 µm, eliminating crevices where bacteria can harbor and making CIP (Clean-in-Place) sanitation effortless.
• Insulated Outer Cladding: Outer jackets wrapped in high-density insulation keep external touch temperatures safe, protecting factory personnel and reducing ambient room temperatures.
• Durable Construction: Built from certified, corrosion-resistant stainless steel (AISI 304 or 316L) for maximum longevity and optimal heat transfer.
• Vents and Traps: Equipped with air vents and condensate steam traps to maintain regulated pressure and prevent waterlogging in the jacket.

Need a specific capacity or mounting style? You can call us to give us your specs and our technicians will custom design one for you today.

Raydan Stainless Steel Fabricators Industrial Stainless Steel Steam Vessels & Steam Jacketed Kettles
Technical Specifications:

Operational Suitability Note: If your facility does not currently have a central steam boiler, this unit requires a dedicated steam generator or electric heating setup. For high-volume continuous liquid pasteurization, our Line Pasteurizers offer greater throughput than batch steam vessels. Contact our team to evaluate which processing system fits your plant’s goals.

Important Buying Considerations

1. Steam Supply & Pressure Rating: Match the vessel jacket pressure rating to your boiler output. Ensure adequate steam mass flow rate (kg/hr) to hit your required heating times.
2. Viscosity & Agitation Requirements: Water-like liquids require minimal agitation. Viscous pastes, syrups, or dairies require anchor agitators with PTFE wall scrapers to prevent burning on the heating wall.
3. Drainage Clearance: Measure floor-to-valve clearance to ensure compatible positioning over discharge pumps, trolleys, or receiving hoppers.

Installation & Maintenance Guidance

• Installation: Must be anchored on a level, reinforced concrete floor. Connect steam supply through a pressure reducing valve (PRV), strainer, and safety relief valve. Install a dedicated steam trap assembly on the condensate outlet line.
• Maintenance: Regularly inspect and test safety relief valves and pressure gauges. Replace PTFE scraper blades and sanitary valve gaskets as part of routine preventative care. Inspect steam traps monthly to prevent condensate waterlogging in the jacket.

Frequently Asked Questions

• Q: What is a steam jacketed kettle used for? A: A steam jacketed kettle is used in commercial food processing, dairy, chemical, and pharmaceutical manufacturing to rapidly heat, cook, boil, pasteurize, or concentrate bulk liquids and viscous mixtures without scorching or hot spots.
• Q: What is the main difference between direct heating and a steam jacketed kettle? A: Direct heating applies a direct burner flame or heating element to the bottom of a pot, creating localized hot spots and risk of scorching. A steam jacketed kettle circulates steam inside a double-walled chamber, transferring heat evenly across the sides and bottom.
• Q: What is the advantage of using a dimple jacket on a Steam Jacketed Kettle in Kenya? A: Dimple jackets handle higher steam operating pressures using efficient metal wall thicknesses, lowering overall equipment weight and cost while increasing steam turbulence for faster heating.
• Q: Can I use one steam vessel for both heating and cooling? A: Yes. Dual-circuit or baffled jackets allow steam heating followed immediately by chilled water circulation to cool product rapidly in the same vessel.
• Q: What material grade should I choose: AISI 304 or AISI 316L? A: AISI 304 is suitable for standard food and beverage applications. AISI 316L contains molybdenum, providing essential corrosion resistance for acidic, salty, or pharmaceutical formulations.
• Q: How do you prevent food from burning in a steam jacketed kettle? A: Burning is prevented by indirect steam heating and by integrating a top-mounted agitator equipped with PTFE wall scraper blades that continuously wipe viscous product off the heated internal surface.
• Q: What steam pressure is required to operate an industrial steam vessel? A: Standard industrial steam jacketed kettles operate between 2.0 Bar and 6.0 Bar working steam pressure, with heavy-duty pressure vessel designs rated up to 10.0 Bar depending on processing temperatures.

Why Buy From Us?

1. KEBS Quality & Engineering Standards: Every steam vessel is fabricated in Nairobi in strict compliance with KEBS hygiene and structural standards and ASME Section VIII pressure vessel alignment.
2. Custom Fabrication Capabilities: We do not offer one-size-fits-all solutions. We engineer every vessel to match your exact volumetric capacity, factory layout, jacket style, and product viscosity requirements.
3. Certified Food-Grade Materials: We build using genuine AISI 304 and acid-resistant AISI 316L stainless steel with smooth Rₐ ≤ 0.4 µm sanitary finishes to ensure 100% hygiene and long operational life.
4. Local Spares & Complete Technical Support: Being locally based in Nairobi’s Industrial Area means immediate technical support, fast delivery, on-site commissioning, and ready availability of spare parts and replacement gaskets.
5. Expert Engineering: Our team calculates wall thickness and dish end profiles based on precise mathematical pressure models: P = (2SEt) / (D + 1.2Et)
6. Comprehensive Support: We provide on-site installation, steam-trap integration, and operator safety training.
7. Local After-Sales Support: We provide on-site maintenance and recalibration of safety valves in our Nairobi workshop.
8. Safety Audits: We assist clients in preparing their vessels for annual statutory inspections.
9. Quality Guarantee: Every steam vessel comes with a 1-Year Warranty and a lifetime service commitment.

Empower Your Production with Raydan’s Steam Vessel Engineering

Raydan Stainless Steel Fabricators’ steam vessels are an investment in the safety, speed, and quality of your industrial processing. By choosing Raydan, you’re gaining a partner committed to technical precision and the long-term reliability of your thermal infrastructure.

Our Guarantee:

• Unmatched Functionality: Precision-engineered for rapid thermal transfer and stable pressure maintenance.
• Unwavering Reliability: Fabricated from heavy-gauge stainless steel to withstand constant thermal cycling.
• Superior Value: Durable vessels that enhance boiler efficiency and reduce batch processing times.
• Peace of Mind Support: Full technical backing, including professional pressure testing and safety documentation.

Request a Quotation for Your Custom Steam Vessel

Are you looking for a custom-built steam vessel designed and built to the highest KEBS quality standards? Our team can help bring your vision to reality. Get in touch with us today to inquire or place your order. We will customize your quotation per your specs.

Get in touch through any of the means below:

• WhatsApp/Call us: +254 798 70 30 77
• Location: BBG Business Park, Enterprise Road, Nairobi Industrial Area (Opposite Kens Metal, Between Homabay Road and Isiolo Road)
• Working Hours: Mon–Friday: 9:00 AM – 5:00 PM | Saturdays: 9:00 AM – 2:00 PM
• Email: customercare@raydanstainlesssteelfabricators.co.ke