Water Pumb Used Ductil Iron Dismantling Joint

The Flange Sleeve Dresser Type Coupling Dismantling Joint from RUNXING is a professional pipeline connection accessory specially designed for water pump systems. As a core product, our Water Pumb Used Ductil Iron Dismantling Joint is engineered to solve the problems of difficult installation, disassembly and maintenance of pipeline equipment such as water pumps, valves and flow meters.

With a size range of DN65-DN4000, this Ductile Iron Dismantling Joint is made of high-quality carbon steel, stainless steel and ductile iron, which ensures excellent mechanical properties and corrosion resistance. It integrates the functions of connection, sealing, axial displacement compensation and vibration absorption, making it an essential component in various pipeline systems that use water pumps.

Technical Specifications

• Product Type: Flange Sleeve Dresser Type Coupling Dismantling Joint, Water Pumb Used Ductil Iron Dismantling Joint

• Size Range: DN65-DN4000 (can be customized according to customer needs)

• Material: Carbon steel, stainless steel (SUS304, SUS316, optional SUS201), ductile iron (GGG 500-7, GGG-40, ASTM A536 65-45-12)

• Working Pressure: PN10/PN16/PN25/PN40 (can be adjusted according to international standards)

• Working Temperature: -10°C to +80°C, suitable for water, sewage and neutral liquids up to 70°C

• Sealing Gasket: NBR grade A (for water/gas), EPDM rubber (for drinking water, complying with BS 2494:1990 Type W), SBR grade F (for drinking water and sewage)

• Fasteners: Carbon steel grade 4.8 (with zinc coating, epoxy coating or dacromet coating) or stainless steel (optional), tie rods of the same material as fasteners

• Coating: Fusion bonded epoxy (FBE) coating inside and outside, or bitumen painting (customizable)

• Flange Standard: ISO 7005-2, BS EN 1092-2:1997, DIN 2501, ANSI, JIS

• Axial Adjustment: ±30-±100mm (depending on product size)

• Test Pressure: 1.5×working pressure

Application Scenarios

Our Ductile Cast Iron Detachable Expansion Joint (also known as dismantling joint) is widely used in various fields that require water pump pipeline connection, mainly including the following scenarios:

• Municipal Water Supply and Drainage: Used in water supply pumping stations, sewage treatment plants, connecting water pumps, valves and flow meters, facilitating maintenance and ensuring the smooth operation of the water supply and drainage system.

• Industrial Water Treatment: Applied in chemical plants, power plants, textile factories and other industrial fields, used for connecting water pump pipelines in circulating water systems, cooling water systems and process water systems.

• Building Water Supply and Drainage: Suitable for high-rise buildings, commercial complexes and residential communities, connecting water pumps and pipeline systems, compensating for pipeline displacement caused by building settlement and temperature changes.

• Water Conservancy Engineering: Used in water conservancy projects such as reservoirs, irrigation systems and water transfer projects, adapting to the harsh outdoor environment and ensuring the stability of the water pump connection.

• Fire Protection System: Applied in fire pump pipelines, with reliable sealing performance and quick disassembly function, ensuring that the fire protection system can be put into use in time in case of emergency.