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Aquacasting Logo Aquacasting Inc.

Premium Ductile Iron
Pipe Fittings & Valves

Manufacturer of high-performance grooved couplings, flanges, valves, and fittings for fire protection and waterworks systems. FM, UL, ISO, and CE certified. Trusted by engineers and contractors worldwide.

Ductile Iron Couplings

About Aquacasting Inc.

A leader in ductile iron pipe system components since 1999.

Double Door Valve

Trusted Manufacturer Since 1999

Aquacasting Inc., part of LEDE Group, was founded in 1999 and has become a leading manufacturer of ductile iron grooved fittings in China. With an annual production capacity of 20,000 tons, we specialize in high-performance valves, couplings, flanges, and pipe systems.

Our products are designed and manufactured according to international standards including EN1074, EN1171, EN593, MSS SP-67, ISO5752, GB5135.6-2003, and GBT 24924-2010. We serve fire protection, waterworks, and underground utility projects globally.

  • Over 100 inventions and patents
  • 700+ skilled employees
  • FM, UL, ISO, CE, WRAS certified

Our Products

High-performance ductile iron components for fire protection and waterworks systems.

Flexible Coupling

Flexible Coupling

Light-duty flexible coupling for vibration absorption and minor misalignment. Ideal for fire protection and HVAC systems.

  • Rated pressure: 2.5MPa / 360psi
  • Material: Ductile Iron (QT500-7)
  • Coating: Epoxy powder (≥300μm)
  • Standards: ANSI, FM, UL
Butterfly Valve

Butterfly Valve (Fire Prot.)

Wafer-type butterfly valve with gear operator for fire protection systems. FM/UL approved.

  • Size: DN50–DN600 (2"–24")
  • Pressure: 1.6MPa / 232psi
  • Disc: Ductile Iron with EPDM
  • Standards: EN593, MSS SP-67
Gate Valve

Gate Valve (Fire Prot.)

Rising stem gate valve for fire sprinkler systems. Full port design with non-rising handwheel.

  • Size: DN50–DN300 (2"–12")
  • Pressure: 1.6MPa / 232psi
  • Body: Ductile Iron, Epoxy coated
  • FM/UL Listed, ISO 5752
Grooved Flange

Grooved Flange PN16

DIN-style grooved flange for PN16 pipelines. Compatible with standard grooved pipe systems.

  • Pressure Rating: PN16 (1.6MPa)
  • Material: Ductile Iron QT500-7
  • Coating: Red Epoxy (≥300μm)
  • Standards: EN1092-2, ISO 7005
Double Door Check Valve

Double Door Check Valve

Bi-directional deluge alarm check valve for fire protection systems. Prevents backflow with dual doors.

  • Size: DN50–DN200 (2"–8")
  • Pressure: 1.6MPa
  • FM Approved, UL Listed
  • Tested per GB5135.6-2003
Rigid Coupling

2.5MPa Rigid Coupling

High-strength rigid coupling for straight pipe runs. National patent design with dual buckle system.

  • Pressure: 2.5MPa / 360psi
  • No angular deflection
  • Reduces installation time by 60%
  • FM, UL, ANSI compliant
Elbow Fitting

Grooved Elbow (90°)

90-degree grooved elbow in ductile iron. Available in USA and EUR standards.

  • Size: 2"–24"
  • Material: QT500-7
  • Coating: Epoxy or Zinc + Epoxy
  • Standards: ANSI, DIN, BS
Y-Strainer

Y-Strainer (Fire Prot.)

Y-pattern strainer for fire protection systems. Removes debris to protect valves and sprinklers.

  • Size: DN50–DN200
  • Screen: Stainless Steel 304
  • FM/UL Listed
  • Tested per MSS SP-113

Why Choose Aquacasting?

Engineered for performance, durability, and compliance.

Certified Quality

FM, UL, ISO9001, ISO14001, ISO18001, CE, WRAS, and CCC certified. Full compliance with ANSI, ASTM, DIN, and BS standards.

High Production Capacity

Annual output of 100,000 tons across three casting bases. Stable supply with efficient logistics.

Technical Expertise

Provincial Engineering Research Center, 100+ patents, 50+ technical personnel. Continuous innovation.

Full Product Range

Complete pipeline solutions: valves, couplings, flanges, fittings, and pipes for fire protection and waterworks.

Fast Customer Support

10-minute response time. On-site problem resolution with rapid deployment.

Global Reach

Products exported worldwide. Trusted by contractors and municipalities across Asia, Europe, and the Americas.

Certifications & Compliance

Our products meet the highest international standards for safety and performance.

FM Approved

FM Approved

UL Certified

UL Listed

ISO 9001

ISO 9001

CE Mark

CE Certified

WRAS Approved

WRAS Approved

Standards We Comply With

ANSI, ASTM, DIN, BS, EN1074, EN1171, EN593, MSS SP-67, ISO5752, GB5135.6-2003, GBT 24924-2010, and more.

Contact Us

Get in touch with our team for product inquiries, technical support, or partnership opportunities.

Visit Our Official Website

For detailed product catalogs, technical drawings, and direct contact options, please visit the official Aquacasting website.

Visit Official Website

Phone: +86-536-8167992, +86-536-8801638, +86-536-8802238

Email: [email protected]

Address: Weicheng District, Weifang City, Shandong Province, China

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