Specification: DN50-DN2000(2"-80"), available with PN10, PN16, PN25 and PN40 flanges    

Ductile Iron Flange Fittings Standard: ISO2531, ISO4179, ISO8179, BS EN 545, BS EN598, BS4772, ISO7005-2, EN1092-2:1997, DIN2501, GBT13295    

Flange: PN10, PN16 or PN25 drilling in accordance with ISO 7005-2/EN 1092-2.    

Fluid Temperature: 0°C-50°C， excluding frost.    

Pipe ends: Spigot, socket or flanges.    

Internal coating: Cement mortar lining comply with ISO4179 or bitumen painting (Ave. min.70 micron) or Fusion Bonded Epoxy Coating    

External coating: Sprayed metallic zinc coating (min.150g/m²) according to ISO8179 + bitumen painting (min.70 micron) or epoxy powder coating or epoxy painting or according to customer’s requirements.    

Types: Dismantling Joint, Universal Flange Adaptor, Universal Coupling, Ductile Iron Loose Flange Joint, DI Pipe Fitting, Saddle for PVC Pipe, Repair Clamp, Qucick Flange Adaptor, Gibault Joint, Restrained Flange Adaptor, Restrained Coupling, Valve, etc.    

Material: MATERIAL: Ductile iron grade 500-7/ 450-12 in accordance with ISO 1083 for ductile iron fitting body and retainer, EPDM/NBR for ring, steel zinced/dacro for stub.    

Application: Municipal Use, Waterworks Pipelines, Piping Fittings, Water Engineering, Potable Water Use, Irrigation Use, Water Supply Project Use, Water Treatment Plants Use, Pumping Stations, Water Utility Sectors, Water-Supply Pressure Pipeline, Potable Water Pumping Station, Stormwater Lines, Fire Water Pumping Station, Fresh Water Pumping Station, ect.    

Test: In accordance with ISO 2531 / EN 545 / EN598 and 100% water pressure test.    

A Gibault joint is a type of mechanical joint used to connect two pieces of ductile iron pipe, often in water and wastewater applications. It is designed to provide a flexible connection that can accommodate slight misalignments and movements in the pipeline due to temperature changes or ground shifts.

 Key Features of Gibault Joints:

1. Material: Typically made from ductile iron, which offers strength, durability, and resistance to corrosion.

2. Design: The joint usually consists of a pair of flanged ends that are bolted together, with a gasket or rubber ring to create a watertight seal.

3. Flexibility: The Gibault joint allows for angular deflection, which can be beneficial in environments where ground movement or settling may occur.

4. Installation: The installation process is relatively straightforward, requiring proper alignment and the use of bolts to secure the joint.

5. Applications: Commonly used in municipal water supply systems, sewage systems, and industrial applications where ductile iron piping is prevalent.

Advantages:

- Ease of Installation: The design allows for quick assembly and disassembly if necessary.

- Reduced Stress: Accommodates movement, which can reduce stress on the pipes and joints.

- Longevity: Ductile iron is known for its long lifespan and resistance to various environmental factors.

Considerations:

- Maintenance: Regular inspections may be necessary to ensure that the gasket remains intact and that the joint is functioning properly.

- Compatibility: Ensure that the Gibault joint is compatible with the specific type and size of ductile iron pipe being used.

In summary, the Gibault joint is an effective solution for connecting ductile iron pipes in various applications, providing flexibility and durability in pipeline systems.

Dimensions of Gibault Joint    

Specifications & Parameters Chart    

Assembly Chart