Baoye Teaches You About Elastic Coupling Elastic Sleeve Pin Coupling Is A Kind Of Flexible Coupling With Non-Metallic Elastic Elements. Its Structure Is Similar To Flange Coupling, But The Connection Of Two Semi-Coupling Uses A Pin With Rubber Or Leather Sleeve Instead Of Bolts To Realize The Connection Of Two Semi-Coupling. Elastic Sleeve Pin Coupling Used To Be The Most Widely Used Pump...