Modular Water Storage Tanks

Stainless steel, GRP/SMC, galvanized steel, and specialized systems — engineered for every application.

Modular Water Tank Product Range

From compact residential tanks to 100,000+ liter fire reserves — browse our complete lineup and jump to detailed specifications.

Stainless steel modular water tank outdoor installation

Stainless Steel Water Tank

SUS304 / SUS316 Food Grade Fire Protection Modular Assembly

Our stainless steel sectional water tanks feature embossed SUS304 or SUS316 panels bolted together on-site. The superior corrosion resistance makes them ideal for potable water storage, fire sprinkler reserves, and demanding industrial environments.

  • Panel MaterialSUS304 / SUS316 Stainless Steel
  • Panel Size1.0m × 1.0m (standard)
  • Panel Thickness1.0mm – 3.0mm
  • Capacity Range1 m³ — 10,000+ m³
  • ApplicationsPotable water, fire fighting, HVAC
  • InstallationAbove ground / elevated
White GRP SMC modular water tank

GRP / SMC Water Tank

Lightweight Insulated Underground OK Cost Effective

Glass Reinforced Plastic (GRP) and Sheet Molding Compound (SMC) tanks combine fiberglass strength with lightweight panels. Excellent thermal insulation properties reduce energy costs. Suitable for both above-ground and underground installation.

  • Panel MaterialGRP / SMC Fiberglass Composite
  • Panel Size1.0m × 1.0m / 1.0m × 0.5m
  • Panel Thickness5mm – 20mm
  • Capacity Range1 m³ — 5,000+ m³
  • ApplicationsDomestic, commercial, municipal
  • InstallationAbove / underground / semi-buried
Hot-dip galvanized steel water tank

Hot-Dip Galvanized Steel Tank

Economical Rust Resistant Large Capacity Industrial Grade

Hot-dip galvanized steel panels with embossed X-pattern reinforcement offer an economical solution for large-capacity water storage. The zinc coating provides effective rust protection for industrial and commercial applications where budget efficiency matters.

  • Panel MaterialHot-Dip Galvanized Steel Q235
  • Panel Size1.0m × 1.0m (standard)
  • Panel Thickness1.2mm – 3.0mm
  • Capacity Range10 m³ — 10,000+ m³
  • ApplicationsIndustrial, agricultural, fire reserve
  • InstallationAbove ground / indoor
BDF composite elevated fire water tank SUS304 316

BDF Composite Elevated Water Tank

SUS304 / SUS316 HDG Frame Elevated / Rooftop Fire Rated

BDF (Bolted, Dual-layer, Fiberglass-reinforced) composite tanks combine stainless steel water-contact panels with a hot-dip galvanized structural frame. Designed for elevated and rooftop installations where fire sprinkler reserves must meet strict load and corrosion requirements.

  • Panel MaterialSUS304 / SUS316 + HDG Q235 frame
  • Panel Size1.0m × 1.0m / 1.0m × 0.5m
  • Capacity Range50 m³ — 5,000+ m³
  • ApplicationsElevated fire water, municipal supply, HVAC
  • InstallationRooftop, steel tower, elevated platform
  • InsulationOptional PU foam layer available
Insulated GRP FRP SMC drinking water storage tank

Insulated GRP / FRP Drinking Water Tank

Thermal Insulated Food-Grade Resin Lightweight Potable Water

Double-wall insulated GRP/SMC panels with food-grade resin provide excellent thermal stability — keeping stored water cooler in summer and reducing freeze risk in winter. A cost-effective alternative to stainless steel for hotels, schools, and commercial buildings.

  • Panel MaterialInsulated GRP / SMC Fiberglass
  • Panel Size1.0m × 1.0m / 1.0m × 0.5m
  • Panel Thickness8mm – 25mm (insulated)
  • Capacity Range1 m³ — 5,000 m³
  • ApplicationsDrinking water, hotels, schools, hospitals
  • InstallationAbove ground / semi-buried
100000 liter GRP sectional fire fighting water tank

Fire Protection Water Storage Tank

NFPA Compatible 100,000L+ GRP / SS / Galvanized Custom Engineered

Large-capacity sectional tanks built for fire sprinkler reserves, hydrant supply, and emergency water storage. Available in GRP, stainless steel, and galvanized configurations — engineered to meet local fire code duration and flow requirements.

  • MaterialsGRP/FRP, SUS304/316, Hot-Dip Galvanized
  • Capacity Range50 m³ — 10,000+ m³
  • Typical Sizes100 m³, 200 m³, 500 m³, 1,000 m³
  • ApplicationsFire sprinkler, hydrant, industrial safety
  • AccessoriesLevel sensors, overflow, inspection hatches
  • CertificationISO 9001 factory, third-party testing available
Rainwater harvesting GRP modular water tank

Rainwater Harvesting Storage Tank

1,000 – 10,000L Food Grade Modular Eco-Friendly

Modular GRP and stainless steel tanks for residential, commercial, and municipal rainwater collection systems. Food-grade resin and advanced sealing technology keep harvested water clean for irrigation, toilet flushing, and non-potable reuse.

  • Panel MaterialGRP/SMC or SUS304 Stainless Steel
  • Capacity Range1 m³ — 500 m³
  • Common Sizes1,000L, 3,000L, 5,000L, 10,000L
  • ApplicationsRainwater, greywater, landscape irrigation
  • InstallationAbove ground / underground / container
  • SealingAdvanced gasket system, leak-tested
WRAS approved FRP GRP drinking water storage tank

WRAS Approved Potable Water Tank

WRAS Certified Food-Grade Resin 5,000 – 10,000L Export Ready

FRP/GRP sectional tanks manufactured with WRAS-approved food-grade resin for safe drinking water storage in the UK, EU, and other markets requiring potable water certification. Bolted modular design allows flexible sizing and fast on-site assembly.

  • Panel MaterialWRAS-approved GRP / FRP composite
  • Capacity Range5 m³ — 500 m³
  • Standard Sizes5,000L, 10,000L, 30,000L
  • ApplicationsPotable water, residential, commercial
  • CertificationWRAS, ISO 9001, material test reports
  • MarketsUK, EU, Southeast Asia, Middle East

Which Tank Is Right for You?

A side-by-side comparison to help you choose the best material for your project.

Feature Stainless Steel GRP / SMC Galvanized Steel
Corrosion Resistance Excellent Good Moderate
Potable Water Suitability Excellent (SUS316) Good Moderate
Thermal Insulation Low Excellent Low
Cost Higher Medium Lower
Weight Heavy Lightweight Heavy
Underground Installation Possible Ideal Limited
Service Life 30+ years 20+ years 15+ years
Fire Protection Rated Yes Yes Yes
Custom Sizing Yes Yes Yes

Not sure which tank to choose? Our engineers provide free consultation.

Product Videos

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  • Custom capacity & material recommendations
  • Detailed pricing & delivery schedule within 24h
  • ISO-certified factory · 100+ export markets
WhatsApp +86 132 2099 7797 Email [email protected]
Factory Address No. 1186, Daxue East Road, Dezhou Economic Development Zone, Shandong, China

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