We sell all kinds of couplings including common coupling, quick/snap coupling, Hi-press snap coupling, ajustable bolt coupling, coupling with bolt and nut, qulity is steady and resiste-wear. Material is Hi-Mn13 carbon steel. We use high-frequency quenching technology increasing its useful 3-4 times as the common ones. Have you any interest and details, please contact me.

Quick coupling
(1)MATERIAL: Hi-Mn13
(2)SIZE: DN100, DN125, DN150(from 2to 6 inch)
(3)Type: HD-Heavy Duty, M-Metric
2clamp HD or M, 2 1/2 clamp HD or M, 3 clamp HD or M
4clamp HD or M, 5clamp M or M, 5 1/2clamp HD or M
6 clamp HD or M
(4)Features: Wear-resistant, heat-treated, life span is20000-25000cubic meters, fitting to PM and SANY, SCHWING, ZOOMLION, CIFA and so on