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Fiberglass horizontal storage tanks are made of glass fiber reinforced plastic and installed with their main axis parallel to the ground. They are typically manufactured as a single unit in the factory and then transported to the site for installation and use. The main manufacturing process involves fixed-length winding combined with hand lay-up to produce end caps and installation accessories.
Products Description
Our horizontal FRP vessels are designed to provide superior performance in liquid storage for various industries. As a trusted horizontal FRP tank manufacturer and fiberglass horizontal tank supplier, we specialize in providing customized, durable, and corrosion-resistant fiberglass storage solutions. These tanks are ideal for chemical, water treatment, food, and industrial applications, offering unmatched strength, low maintenance, and a long service life.
A horizontal FRP vessel is a fiberglass reinforced plastic (FRP) storage tank designed for storing a wide range of liquids, including chemicals, wastewater, and industrial fluids. Unlike traditional steel tanks, horizontal FRP tanks provide enhanced corrosion resistance, require less maintenance, and have a significantly longer lifespan. Manufactured using advanced filament winding technology, these vessels offer exceptional strength and reliability for industrial storage needs.
| Tank Diameter | DN600 mm – DN15000 mm |
| Capacity | 5 m³ – 2000 m³ |
| Tank Length | Custom design available |
| Material | FRP / GRP (Fiberglass Reinforced Plastic) |
| Resin Options | Vinyl ester, Epoxy, Polyester |
| Manufacturing Method | Filament winding / On-site erection |
| Temperature Range | -40°C to 120°C |
| Design Standards | ASTM D3299, ASME RTP-1, BS4994 |
| Service Life | 20+ years |
Excellent corrosion resistance for chemicals, acids, and wastewater
Large capacity for industrial and municipal applications
Lightweight construction for easier transportation and installation
Low maintenance costs, no coating required
Long service life – over 20 years
Customizable design to meet project requirements
Cost-effective alternative to steel and stainless steel tanks
For tanks with large diameters or capacities, we provide field erected horizontal FRP tanks. Our team can construct these tanks directly on-site using advanced filament winding techniques, allowing for tanks with diameters up to 15 meters and custom lengths to meet specific project needs.
No transportation size limitation
Reduced installation time and costs
On-site fabrication ensures structural integrity
Ideal for large industrial applications
Our fiberglass horizontal tanks are used in a wide variety of industries, including:
Chemical storage and processing
Acid and alkali storage
Wastewater treatment tanks
Desalination and purified water storage
Food and beverage liquid storage
Power plant water storage
Mining and industrial process tanks
As a professional horizontal FRP vessel manufacturer, we offer full customization for your specific needs:
Customizable tank diameter and length
Capacity designed up to 2000 m³
Choice of resin based on chemical compatibility
Nozzle and flange configurations for specific applications
Internal liners, insulation, and reinforcement options
Custom ladders, platforms, and access points
Support for agitators and mixers
Our horizontal FRP vessels are manufactured according to stringent quality control measures and international standards, ensuring a reliable and long-lasting solution for your storage needs. We follow ISO-certified production processes and use advanced filament winding technology to ensure the highest quality for all our fiberglass tanks.
ISO-certified manufacturing process
Advanced filament winding equipment for precision
Experienced engineering team with expertise in large-scale projects
Export-ready packaging and logistics for global shipments
Leading horizontal FRP tank manufacturer with years of experience
Capability to design and produce ultra-large diameter tanks
Expert support for field erection and on-site construction
Competitive factory pricing with no hidden costs
Custom design and engineering services tailored to your needs
Fast, responsive quotation and technical consultation
If you are looking for a reliable horizontal FRP vessel manufacturer or need a customized fiberglass horizontal tank for your project, get in touch with us today. Our team of engineers will provide you with professional design recommendations and a competitive quotation within 24 hours.
Please provide the following details for an accurate quote:
Tank capacity or dimensions
Type of liquid to be stored
Operating temperature
Installation location
Any customization requirements
We look forward to helping you with your next project and delivering the best horizontal FRP storage tank solutions tailored to your needs.
1. Basic Concepts and Definitions
Fiberglass horizontal storage tanks are made of glass fiber reinforced plastic and installed with their main axis parallel to the ground . They are typically manufactured as a single unit in the factory and then transported to the site for installation and use. The main manufacturing process involves fixed-length winding combined with hand lay-up to produce end caps and installation accessories.
2. Structural design features
Tank body :
Cylinder : Typically manufactured using a winding process, primarily circumferential winding, to provide circumferential strength against internal pressure. Axial strength is provided by the superposition effect of multiple layers of cross-winding or circumferential winding.
Heads : Typically elliptical or dished heads . This streamlined design facilitates stress distribution and provides significantly better pressure resistance than flat heads. Heads are mostly produced by hand lay-up or compression molding.
Support system : This is one of the most critical components of a horizontal storage tank.
Saddle bearing : the most commonly used type of support, usually consisting of two bearings.
Fixed end support : One of the support has round bolt holes to secure it completely.
Sliding end support : The anchor bolt holes of the other support are elongated holes, which allow the storage tank to expand and contract with temperature changes, preventing excessive thermal stress.
Outrigger support : Used for small storage tanks.
Skirt support : Less common, used in specific working conditions.
Accessories such as manholes, feed inlets, discharge outlets, vents, level gauge ports, and cleaning ports are typically located at the top and bottom of the tank.
Because it is horizontal, the selection and installation of level gauges (such as magnetic float level gauges) are very convenient.
3. Main features and advantages
1. Good pressure resistance : Due to its cylindrical structure and elliptical head design, horizontal storage tanks are generally more suitable for use as pressure vessels (such as pressurized storage and reaction processes) than vertical storage tanks of the same volume.
2. Small footprint and low height : Ideal for installation indoors or in spaces with limited height.
3. Thorough material discharge : By rationally designing the outlet location and tank slope, almost no dead corners can be emptied, making it particularly suitable for viscous materials or materials that require complete discharge.
4. Easy to maintain and observe : Due to its low height, the manholes, valves and instruments at the top are easily accessible for operation and maintenance.
5. Possesses the general advantages of fiberglass : corrosion resistance, long service life, light weight, and easy cleaning.
4. Comparison with vertical storage tanks
| Characteristic | Fiberglass horizontal storage tank | Fiberglass vertical storage tank |
| Installation method | The axis is placed horizontally. | The axis is placed vertically |
| Support structure | Saddle | Flat (sitting directly) or skirt seat |
| Pressure resistance | Typically higher , more suitable for pressurized conditions | Typically operating at atmospheric or low pressure, with relatively low pressure-bearing capacity. |
| Area | Larger | Smaller, saving more floor space |
| Basic requirements | Requirements for the levelness and load-bearing capacity of the foundation. | High requirements are placed on the flatness and load-bearing area of the foundation. |
| Material discharge | More thorough, with less residue | There may be dead zones at the bottom of the tank for emissions. |
| Typical volume | Typically small (within tens of cubic meters) | It can be made very large (several thousand cubic meters). |
| Applicable Scenarios | Indoor, pressure vessel, intermediate tank in process | Large-scale storage, on-site fabrication, atmospheric storage tanks |
5. Application Areas
The unique shape and structure of horizontal storage tanks make them particularly common in the following fields:
Chemical process flow : as a pressurized or atmospheric pressure intermediate process tank , reaction tank, or temporary storage tank.
Environmental water treatment : PAC/PAM and other reagent storage tanks , pressure water storage tanks for filtration systems.
Food brewing : fermentation tanks, liquid preparation tanks, saccharification tanks.
Transportation and transshipment : It serves as a fixed receiving or distributing tank , docking with tank trucks.
**HVAC system**: Expansion tank, water storage tank.
6. Summary
Fiberglass horizontal storage tanks are an extremely important and flexible solution for process industries and small- to medium-sized storage applications. They perfectly combine the corrosion resistance of fiberglass with the advantages of horizontal containers in terms of pressure resistance, venting, and space utilization.
For standardized needs, factory-manufactured standard products can be selected; for special working conditions, non-standard customized design and production are required.
Fiberglass Horizontal Container
● Horizontal containers are mostly cylindrical with ellipsoidal end caps. When used as truck tankers, they can be machined into elliptical shapes.
● Horizontal containers are mostly used for overhead applications. When used for underground applications, specific designs are required based on the burial depth and installation requirements .
● Horizontal vessel supports are called saddle supports. They are mostly made of steel, but FRP ( fiberglass reinforced plastic) can also be used. The saddle wrap angle is 180 °, overcoming the shearing effect of the saddle on the vessel. They are safe and reliable to use. When the customer provides their own concrete saddles, the saddle span must meet the design requirements.
● When installing the container, soft material should be placed between the horizontal saddle and the tank wall.
Container Specifications Table:
| D | 1000 | 1200 | 1400 | 1600 | 1800 | 2000 | 2200 | 2400 | 2600 | 2800 | 3000 | ||||||||||||||||||||||
| M3 | L | N1 | N2 | L | N1 | N2 | L | N1 | N2 | L | N1 | N2 | L | N1 | N2 | L | N 1 | N 2 | L | N 1 | N 2 | L | N 1 | N 2 | L | N 1 | N 2 | L | N 1 | N 2 | L | N 1 | N 2 |
| 1 | 1450 | 2 | 3 | ||||||||||||||||||||||||||||||
| 2 | 2730 | 3 | 3 | 1990 | 2 | 3 | 1560 | 2 | 3 | ||||||||||||||||||||||||
| 3 | 4010 | 4 | 3 | 2870 | 2 | 4 | 2200 | 2 | 4 | ||||||||||||||||||||||||
| 4 | 3760 | 3 | 4 | 2850 | 3 | 4 | 2300 | 2 | 4 | ||||||||||||||||||||||||
| 5 | 3500 | 3 | 4 | 2800 | 2 | 4 | |||||||||||||||||||||||||||
| 6 | 3300 | 2 | 4 | ||||||||||||||||||||||||||||||
| 7 | 3800 | 2 | 4 | ||||||||||||||||||||||||||||||
| 8 | 4300 | 3 | 4 | 3470 | 2 | 4 | |||||||||||||||||||||||||||
| 9 | 4780 | 3 | 4 | 3860 | 3 | 4 | |||||||||||||||||||||||||||
| 10 | 5300 | 3 | 4 | 4250 | 3 | 4 | 3540 | 2 | 4 | ||||||||||||||||||||||||
| 11 | 5800 | 4 | 4 | 4640 | 3 | 4 | 3850 | 2 | 4 | ||||||||||||||||||||||||
| 12 | 6280 | 4 | 4 | 5040 | 3 | 4 | 4170 | 2 | 4 | 3540 | 2 | 4 | |||||||||||||||||||||
| 15 | 6220 | 3 | 4 | 5130 | 3 | 4 | 4330 | 2 | 4 | 3750 | 2 | 4 | |||||||||||||||||||||
| 18 | 7400 | 4 | 4 | 6080 | 3 | 4 | 5120 | 2 | 4 | 4410 | 2 | 4 | |||||||||||||||||||||
| 20 | 8190 | 4 | 4 | 6720 | 3 | 4 | 5650 | 3 | 4 | 4850 | 2 | 4 | 4220 | 2 | 4 | 3740 | 2 | 4 | |||||||||||||||
| 25 | 8310 | 4 | 4 | 6960 | 3 | 4 | 5960 | 2 | 4 | 5160 | 2 | 4 | 4560 | 2 | 4 | 4100 | 2 | 4 | |||||||||||||||
| 30 | 8280 | 4 | 4 | 7060 | 3 | 4 | 6100 | 3 | 4 | 5370 | 2 | 4 | 4820 | 2 | 4 | ||||||||||||||||||
| 35 | 8170 | 3 | 4 | 7050 | 3 | 4 | 6180 | 2 | 4 | 5520 | 2 | ||||||||||||||||||||||
| 40 | 9270 | 3 | 4 | 7990 | 3 | 4 | 6990 | 3 | 4 | 6240 | 3 | ||||||||||||||||||||||
| 50 | 9870 | 4 | 4 | 8620 | 3 | 4 | 7660 | 3 | |||||||||||||||||||||||||
| 60 | 10240 | 3 | 4 | 9050 | 3 | ||||||||||||||||||||||||||||
| 70 | 10470 | 4 | |||||||||||||||||||||||||||||||
| 80 | 11880 | 4 | |||||||||||||||||||||||||||||||
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Let our team help you select the right product
Talk to our experts, we can help you meet your requirements and provide assistance for your next project.