Ductile Iron Grooved Fittings – Grooved Flange Class 125 / 150
Grooved Flange for Fire Protection and Industrial Piping Systems
Ductile iron grooved fittings are widely used in fire protection systems, water supply pipelines and industrial piping networks. The grooved flange connection system provides a fast and reliable installation method compared with traditional welding or threaded connections.
Shaanxi Gold-Stone I/E Co., Ltd. supplies high-quality ductile iron grooved fittings including grooved flanges designed for fire protection and water pipeline systems. These products meet international standards such as ISO 6182 and AWWA C606, ensuring excellent mechanical performance and reliability.
Product Specifications
| Item | Specification |
|---|---|
| Product Name | Ductile Iron Grooved Flange |
| Pressure Class | Class 125 / 150 |
| Size Range | 2″ – 14″ (DN50 – DN350) |
| Connection Type | Grooved Coupling Connection |
| Application | Fire Protection / Water Supply |
Design Standards
The grooved fittings are manufactured according to international standards including:
- ISO 6182
- AWWA C606
- GB 5135.11
These standards ensure compatibility with global fire protection and pipeline systems.
Materials
The ductile iron grooved fittings are manufactured using high-strength ductile iron materials.
Ductile Iron Grades
- ASTM A536 Grade 65-45-12
- GB/T 1348 QT450-10
These materials provide excellent mechanical strength, impact resistance and durability.
Connected Pipe Standards
The grooved flange fittings are compatible with steel pipes manufactured according to the following standards:
- ASME B36.10
- ISO 4200
- GB/T 21835
- GB/T 3091
This ensures easy integration with different international piping systems.
Certifications
The grooved fittings supplied by Shaanxi Gold-Stone I/E Co., Ltd. are available with internationally recognized certifications:
- UL Certification
- FM Certification
These certifications are widely required for fire protection systems and engineering projects.
Applications
Ductile iron grooved flanges are widely used in:
Fire Protection Systems
Sprinkler systems and fire protection pipelines.
Water Supply Pipelines
Municipal water distribution networks.
Industrial Piping Systems
Factories and processing plants.
HVAC Systems
Heating and cooling pipeline systems.
Advantages of Grooved Pipe Fittings
Fast Installation
Grooved connection systems allow fast installation without welding.
Easy Maintenance
The system can be easily disassembled for maintenance.
Strong Mechanical Performance
Ductile iron provides high strength and impact resistance.
Flexible Pipeline Connection
Allows a certain degree of pipe movement and vibration absorption.
FAQ
What are ductile iron grooved fittings?
Ductile iron grooved fittings are pipe fittings used with grooved coupling systems to connect pipes quickly and securely in fire protection and water pipeline systems.
What is the pressure rating of grooved flanges?
Grooved flanges are commonly available in Class 125 and Class 150 pressure ratings.
What material is used for grooved fittings?
Most grooved fittings are manufactured using ASTM A536 ductile iron, which provides excellent strength and durability.