Excavator Hydraulic Cylinder

Excavator Hydraulic Cylinder   Founded in 2004, with registration capital of 60 mill yuan RMB, Shan Dong Wan Tong Hydraulic Machinery Co., Ltd is specialized in hydraulic products design,R&D and manufacturing.   We mainly produce Hydraulic Cylinder including Vehicle Cylinder, Coal Mining Cylinder, Engineering Cylinder and Ocean Engineering Cylinder.
Also we can design and manufacture various special purpose hydraulic cylinders such as shield machine cylinder, 6 DOF platform, machine tools, etc.We have more than 120 kinds of hydraulic cylinder , within range ofΦ1200X12000 and our annual capacity is 200 thousand sets of cylinders which makes our company an important production base for hydraulic cylinders.      OUR WORKSHOP         OUR PRODUCTS     1. Piston rod It is made of alloy steel with high intensity, first of all, do mid frequency induction hardening for the surface of piston rod, so that the intensity can reach to HRC62 at highest; then the surface of piston rod is hard plating and polishing to be Ra0.08um. 2. Guide sleeve It is made of ductile cast iron according to the feature of excavator, with high wearing capacity. 3. Cylinder body The material apply alloy steel 27SiMn, the intensity is high and the shape is small, it is very light. It is honed and rolled to have a high surface finish quality, so that the friction inside can be least and prolong the life of seals. Parameter:  

Name	working pressure	bore	rod diameter	mounting way	stroke	mounting distance		buffer
						mininum	max
Boom cylinder(left and right)	32.5	105	70	two ends with earring and bush	980	1500	2480	without
		120	85		1285	1875	3160	the head of piston rod
		130	90		1275	1860	3135	the head of piston rod
		120	100		1480
		160	110		1570	2260	3830	the head of piston rod
		160	110		1338	2499	3837
arm cylinder	32.5	115	75	two ends with earring and bush	1175	1702	2877	two ends with buffer
		135	95		1490	2075	3565
		160	110		1685
		185	120		1280	2590	4410	two ends with buffer
		185	120		1292	2323	3615	with buffer at the end of piston rod
		140	100	outter thread in rod end	1635	2235	3870	two ends with buffer
bucket cylinder	32.5	95	65	two ends with earring and bush	885	1378	2263	without
		115	80		1120	1680	2800
		130	90		1020	1605	2625
		160	110		1270	1995	3265
		135	95		1287	2005	3322
		140	100		1285
clam cylinder	28	130	80	outter thread in rod end	500	786	1286	without
hopper cylinder	25	130	90	two ends with earring and bush	284	807	1097	without

              QUALITY GURANTEE SYSTEM OUR CERTIFICATE   Contact           Kevin  / manager       Skype:kevinzhi01  Mobil:0086 1576238 2726       Web : / http://sdwtyy.en.alibaba.com/       Tel :0086-0633-8303828  Fax: 0086-0633-5456666   Office : Room 1806,building A, HangMao center, Rizhao city ,Shandong ,China   Factory :500 meters east of Wulian County Railway Station, Rizhao City, Shandong, China  

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