Thread rubber expansion joint

一、Technical specification:
Design: rubber expansion joint with threads
End connection: Screwed thread 
Thread standard: NPT, BSPT or customer need
Normal pressure: PN16
Temperature range: -20℃ to 120℃.
Normal size: DN20- DN200

二、Applicable media: Air, compressed air, water, sea water, hot water, weak acid etc.

三、Material
Sphere: Rubber like EPDM, NBR, VITON 
Thread: WCB 

四、Function: To reduce vibration of the pipeline