Dn300 Epdm Double Sphere Expansion Joint Pump Pipe Connector Flange Type Rubber Bellow

1.The double rubber joint is composed of inner and outer rubber layer, nylon cord fabric, and steel ring, which is vulcanized and then combined with metal flange or parallel joint loose sleeve.
2.The product can reduce vibration and noise, and can compensate thermal expansion and contraction caused by temperature change. It is widely used in various pipeline systems.

Parameter description

Product name: Double sphere rubber expansion joint
Other names: Double ball bellows expansion joint
Specifications: DN25-DN4000
Flange standard: DIN PN16, BS4504, EN 1092, ANSI 150LB
Flange material: Carbon steel galvanised, Stainless steel
Rubber material: Natural Rubber, EPDM, Neoprene, Nitrile
Applicable media: Water, oil, weak acids and alkali

Manufacturing process

1.Raw material control
2.Nylon cord fabric cutting
3.Mould making
4.Vulcanisation production
5.Flange processing (flange typing is also available according to customer requirements)
6.Ball and flange assembly

7.Factory testing (including visual, pressure testing, etc.)

8.Packing and shipping

Double ball rubber joint material table

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Application Cases

The company adheres to the business philosophy of "customer satisfaction is our first duty, all employees are responsible for creating quality, continuous improvement sets new heights, honest service builds reputation", and wholeheartedly provides high-quality products and professional services to new and old customers.

The factory mainly produces rubber expansion joints, duckbill check valves, dismantling joint, bellow expansion joints, compensators, repair clamp, 02S404 national standard waterproof casings, gate valves ,butterfly valves etc; and all products have passed ISO 9001:2015 quality management system certification; adopting national and industry standards, advanced manufacturing technology, strong R&D and manufacturing capabilities, they are widely used in water supply, drainage, electricity, chemical industry, gas, metallurgy, urban construction and environmental protection and other pipeline industries.