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Single Acting Hollow Plunger Hydraulic Cylinder Telescopic Multistage for Dump Truck

Shenzhen Dallast Technology Co., Ltd.

Single Acting Hollow Plunger Hydraulic Cylinder Telescopic Multistage for Dump Truck

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Brand Name : DALLAST

Model Number : could be customized

Certification : GS, RoHS, CE, ISO9001

Place of Origin : shandong

MOQ : 1 pieces

Price : negotiated

Payment Terms : T/T, Western Union, D/P, D/A, L/C

Supply Ability : 60000 pieces

Delivery Time : 20-30 work days per year

Packaging Details : carton box

temperature : normal temperature

pressure : medium pressure

pressure direction : single acting cylinder

package : on request

material : 27SIMN, or on request

color : blue, black, or on request

model : custom

mounting methods : Double hinged shaft

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Single Acting Hollow Plunger Hydraulic Cylinder Telescopic Multistage for Dump Truck

Product introduction:

Telescopic hydraulic cylinder consists of two or more piston-cylinder assembly, the piston is a cylinder piston cylinder after the cylinder, can get a long working stroke. An important part of DALLAST Corporation's extensive list of custom capabilities is multistage telescopic hydraulic cylinders. Many applications needs for exceptionally long strokes coming from shorter, more compact units. Other applications require unique mounting to achieve their required stroke.

DALLAST has years of rich experience to meet customers’ requirements by manufacturing these type cylinders for these type needs.


It mainly used in various types of heavy truck front lifting, such as 8*4 truck, semi-trailer, can be widely used in mining, iron and steel, port conditions relatively poor use places can meet from13 tons to 90 tons lifting requirements. Truck front lifting cylinder is the dumper hydralic lifting system for lifting actuator, truck compartment or tank.

ExtensionFirst Stage
Bore Dia (mm)


Top trunnion (mm)

Bottom trunnion

Lug dia (mm)

Closed length (mm )

Pressure (MPa)

Any model could be customized, Please note that the regularly stocked telescopic cylinders above.

Feel free to contact our office to place an order for quick delivery.


a. Every DALLAST single acting telescopic cylinder is individually tested before leaving our plant to assure proper performance and leak-free operation.

b. All cylinder products carry an 12 months warranty.

c. Single-acting cylinders transfer force and motion in one direction only.

d. It has FC, FE, FEE.

e. It could be mounted in any position so that it could be used in a wide range of mobile and industrial applications.

Piston Seals:
Low friction, high load piston seals with outboard wear bands are standard. Loaded lip seals and cast iron rings are optional. The seal is the use of rubber or plastic seal of the elastic ring so that a variety of cross-section ring in the static and dynamic fit between the surface to prevent leakage. Common seal are O-shaped, Y-shaped, V-shaped and so on. It has the advantages of simple structure, easy manufacture, automatic compensation after wear, reliable performance, and can be used between the cylinder and the piston, between the cylinder head and the piston rod, between the piston and the piston rod, between the cylinder tube and the cylinder head.

About piston rod:

High strength damage resistant piston rod provides 100,000 PSI minimum yield material in 1" through 4 1/2" diameters. Larger diameters vary between 50,000 and 75,000 PSI minimum yield material. All rods are case hardened to 50-55 RC and hard chrome plated to provide maximum wear life. Stainless steel is also available. The hard chrome plated of the piston rod according to your requirement.

Quality control:
1. Seiko secret agents, to ensure quality of the piston rod.
2. The product have to go through heat treatment - bore boring - grinding - car processing - black nitriding and many other processes.
3. The company accepted the Valet processing various types and various sizes products, processing and processing more quotes, welcome to consult.

The most common problems when selecting a hydraulic cylinder are as follows:

A. Retract dimension (Center of pin to center of pin)

B. Stroke length (Inches)

C. Mounting types

D. Port Size and Type (SAE or NPT)

E. Pressure rating (PSI)

F. Bore Diameter (Inches)

G. Application details


We offer 12 months warranty.

After-sales service:
1. Various operation instructions such as: products inspect and control ,Receiving inspection control ,sampling inspection operation instruction, process quality inspection operation instruction etc
2. Pre-sale service and free consultation service.
3. Quality control service includes pre-acceptance, departure inspection, arrival inspection, PDI delivery inspection.
4. Free after-sale service during the warranty refers to problems caused by quality issues; any non quality problem occurred, we will charge the maintenance fee according to relevant standard.
5. Service Center all over the world for after sales problems.

Product Tags:

telescopic hydraulic ram


hydraulic ram cylinder

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