Rubber Joint Connection Ball Joint Connector Sewage Pumps

Product Description
For pipe construction, you will need expansion joints – to absorb thermal expansion, to reduce vibration and noise.Our ‘JINGNING’ expansion joints have reliably performed these tasks since 2004.All of Jingning's rubber expansion joints safety ratings exceeding product specifications in such areas as pressure and movement.Click to learn more about JINGNINGIntroduction
An expansion joint is a specially engineered product inserted in a rigid
piping system to achieve one or more of the following:
» Absorb movement
» Relieve system strain due to thermal change, loadstress, pumping surges, wear or settling
» Reduce mechanical noise
» Compensate for misalignment
» Eliminate electrolysis between dissimilar metals GENERAL CHARACTRISTICSNominal DiameterDN15-DN3000Working PressurePN6-PN25Working Temperature-20℃-140℃Working MediumWater,Oil,Acid,AlkaliPart of technical data Main data ofrubber expansion jointNominal diameter(DN)LengthAxial displacement(mm)Horizontal displacementDeflexion anglemminchmmExtensionCompressionmm(a1+a2)°321 1/49569915°401 1/295610915°5021057101015°652 1/21157131115°8031358151215°100415010191315°125516512191315°150618012201415°200821016252215°2501023016252215°3001224516252215°3501425516252215°4001625516252215°4501825516252215°5002025516252215°6002426016252215°about rubber materials Flexible rubber joints can be manufactured from a range of elastomer materials including: »Chloro Butyl»EPDM»Hypalon»Natural »Neoprene »Nitrile (Buna-N)
The joints may consist entirely of the one type of rubber or a combination with one type of rubber as the inner ply and a different rubber as the outer cover. If you don't know how to select the proper rubber materials,click here to contact us for guide.We will select the appropriate rubber grade for your application from a wide variety of different blends depending on the composition of the medium and the operating temperature.Advantages
Do you know how is a high quality rubber expansion joint made?Let's see with JINGNING.Company InformationCertificationsOUR CERTIFICATESFAQFAQs1. What's material of rubber expansion joints ?
We have EPDM.NR,NBR and so on .You can choose it according to the work environment and media.2. What's the standard of flanges ?
We have DIN,ANSI,JS,BS,GB standard flanges.You can chose it according to your connected flanges.3. How long is rubber expansion joints' warranty?
2 years. From the day the customer receiving the goods, we grant a free replacement if the products have any problems during the guarantee period.4. Can I only buy rubber joints without flanges ?
Yes,and rubber joints without flanges will be cheaper.5.Canyoumaketheproductasperclient'srequirement? ?
Yes, ODM and OEM are both supported.6. Can I get a sample ?
Yes, please contact us for samples.