Henan Lianghe Pipeline Equipment Co.,Ltd
Henan Lianghe Pipeline Equipment Co.,Ltd
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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
| NO | Name | Material |
| 1 | Outer rubber | NR,EPDM,NBR,FKM,etc |
| 2 | Inner rubber | NR,EPDM,NBR,FKM,etc |
| 3 | Pressurized ring | Carbon steel,Stainless steel |
| 4 | Flange | Q235B,SS304,SS316,etc |
Other Rubber Type Hot Selling Products
Application Cases