Excavator Hydraulic central Rotary Joints DHZ-1
1. Model: DHZ-1 centre revolving joint            
2.Rated Flow: 70L/min                
3.Passageway Number: 8, 4 oil passageway, 3 air passageway, 1 oil discharge way.
4. Rated Pressure: oil passageway 20MPa    air passageway 1MPa      
5.Temperature Range:-10oC~+80oC
6.Rotate Speed: 15rpm 
7.Applicable Models: 6T wheel excavator\

Shandong Dorson Hydraulic Co.,ltd (former name Jining Automobile Spare Parts Co.,ltd, established in 1956) which developed into

private joint-stock company that specialized in producing the excavator parts including idler cushion, front idler, sprocket, track

roller, carrier roller, rotary joints, hydraulic redirector, cycloid motor, one-piece multi-way valve, central rotary joints since

1998.

Shandong Dorson Hydraulic Co., ltd adhere to the principle that" winning the market with our sincerity, meeting the challenge with

our quality, broadening the market with our service" We are dedicated to revitalizing this national industry.

DORSON STENGTH Our company have successively produced the excavator parts idler cushion assy, front idler assy ,sprocket assy ,track

roller assy, carrier roller assy, central rotary joints that covers many types like PC400, PC300, PC220, PC200, PC130-7, PC120, PC60

, JCM230, JCM210, CT40, CT18, ZE60, ZE205, ZE230, ZE80 and so on which entrusted by famous brand such as KOMATSU SHANTUI, ZOOMLION,

SANY, LISHIDE, CATER, WORLD GROUP, FORD, CARGOTEC, LOVOL, STRONG etc. Now developed the key hydraulic device which used by

construction machinery such as central rotary joints, heavy flowing high pressure multifunctional valve for Excavator, Crane,

Bulldozer, Loader etc.

DORSON ENVIRONMENT Dorson Hydraulic Co., ltd always Adhere to 6S management, the full implementation of TQM, equipped with ERP

system since the date of Foundation. the adoptions of the production works streamlines &details management ensure each products and

its production process could traceability. we pursue the management of Customer is superior, Service is supreme and we could solve

the problems that provided by the customers with abundant users report management and professional after-sales service engineers.

About us :

Shandong Dorson Hydraulic Co.,ltd (former name Jining Automobile Spare Parts Co.,ltd, established in 1956) which developed into private joint-stock company that specialized in producing the excavator parts including idler cushion, front idler, sprocket, track roller, carrier roller, rotary joints, hydraulic redirector, cycloid motor, one-piece multi-way valve, central rotary joints since 1998.

Shandong Dorson Hydraulic Co., ltd adhere to the principle that" winning the market with our sincerity, meeting the challenge with our quality, broadening the market with our service" We are dedicated to revitalizing this national industry.

DORSON STENGTH Our company have successively produced the excavator parts idler cushion assy, front idler assy ,sprocket assy ,track roller assy, carrier roller assy, central rotary joints that covers many types like PC400, PC300, PC220, PC200, PC130-7, PC120, PC60, JCM230, JCM210, CT40, CT18, ZE60, ZE205, ZE230, ZE80 and so on which entrusted by famous brand such as KOMATSU SHANTUI, ZOOMLION, SANY, LISHIDE, CATER, WORLD GROUP, FORD, CARGOTEC, LOVOL, STRONG etc. Now developed the key hydraulic device which used by construction machinery such as central rotary joints, heavy flowing high pressure multifunctional valve for Excavator, Crane, Bulldozer, Loader etc.