Alibaba China DN600 Pn16 flange rubber expansion ss304 bellows Introduction Rubber expansion ss304 bellows consists of outer rubber, inner rubber, framework layer, and reinforcing bar and flange. Relying on rubber’s special performances as long range elasticity, air impermeability, medium, climate and radiation resistance, rubber expansion couplings can reduce the vibration and noise of pipeline, and can be caused by the temperature change of heat bilges cold shrink compensation effect. Structure
Materials list
PRODUCT | NO | NAME | MATERIAL |
| 1 | Inner rubber | ⅡR,CR,EPDM,NR,NBR |
2 | Outer rubber | ⅡR,CR,EPDM,NR,NBR |
3 | Framework layer | Polyester cord fabric |
4 | Flange | Q235 |
5 | Reinforcing ring | Steel wire rope |
Classification
1) According to appearance: concentric with diameter rubber expansion joint, concentric reducer rubber expansion joint,eccentric reducer rubber expansion joint.
2) According to the structure: single ball rubber expansion joints, double sphere rubber joints, spheres rubber joints, elbow sphere rubber joints. 3) According to the link the form: flange rubber joints, union rubber joints. Characteristic Feature (1)Small volume, light in weight, very good flexibility, Convenience installation and maintenance. (2)Transverse displacement, axial displacement, angular displacement (3)Reduce noise, shock absorption Our products
Company Information Henan Liwei Industry Co., ltd.located at Shangjie District. Zhengzhou city is a manufacturer specializing in processing various steam, water, windpipe expansion and compensation joints, and a main base for producing rubber, metal and non-metallic pipe joints, It is also the appointed enterprise by the former chemical industry ministry, national construction ministry and general petrol chemical company member unit China Water Supply Association and power Equipment Network Union, and joints production unit recommended by China Water Association and National Metallurgy Ministry. Our Liwei brand flexible rubber joints have various heavy calibers, type and high quality in the county, The products series have won four patents and our company is named “Quality and Credit Unit” by Henan Province, Our product have become the first choices for national power design ,municipality and metallurgy units. At present, our product include four serial flexible rubber joints, three types, tens of standard and common specification, eight series of metal pipe loosing compensation joints and fourteen standard specifications and types, eleven types of standard and common specification products for serial wind pipe non-metal compensators. Our annual comprehensive production capacity can reach over forty thousand sets and we also process various pipe joint matching flat welding flanges (steel international/non-international standard). Our products have been sold in over thirty cities and autonomous regions, With China’s entry to the WTO; our products have been exported to foreign countries as Italy. Spain, Pakistan. Singapore and East European countries, etc, and the products have been become public famous brand products for design units and clients. Our company has been equipped with rich technical strength, excellent design and complete design and complete products test measures. We also own a set of strict management system and high-quality technicians, In2004; we have gained quality management and environment management authentication. Insisting on the rennet “Development Through Technology, Making More Friends, Creating Green Environment and Responsible for Future”, the company has been devoting itself to creating top products and well serving all clients around the world, Liwei brand products will be a red line between we and the clients for ever. Pls don't hesitate to email or call us if you have any questions! Steel expansion joint advantages 1) We have 20 years manufacturing experience 2) We have ASME welding certificate to make welding quality very good 3) Stainless steel surface treatment is acid pickling 4) Strict quality controlling system, we will supply material certificate, test report certificate 5) The largest painting thickness is 300 micron 6) We also have ISO9001, ISO14001, SGS, ASME E certificate 7) one year quality warranty Contact Us