Hydraulic Cylinder for Coal Mining Hydraulic Roof Supports Manufacturer

• Customization: Available
• Certification: GS, CE, ISO9001
• Pressure: Medium Pressure
• Model NO.: custom
• Acting Way: Single Acting
• Working Method: Straight Trip
• Adjusted Form: Regulated Type
• Structure: Piston Type
• Material: Alloy Steel
• Technology: Parker, Custom Hoist, Hyco, Hyva, Meiller
• Temperature Range: -50 to +100
• Raw Material: Carbon Steel, Alloy Steel, 27simn, 45#, 20#, etc
• Mounting Style: FC, Fe, Fee, Fse, Tpin, Pin-Eye, Trunnion Mount
• Base End Mount Type: Cross-Tube
• Cylinder Function: Dump Hoist, Body Raise, Tipping
• OEM/ODM: Yes
• Surface Treatment: Hard Chrome, Zinc,Copper
• Honed Tube: Heat Treatment, Honing, Rolling
• Stage: Multi Section Telescopic Hydraulic Cylinder
• Acting Type: Single Action Hydraulic Cylinder
• Transport Package: Pallet, Wooden Case or as Your Requirement
• Specification: 430 lbs
• Trademark: JR
• Origin: China
• HS Code: 8412210090
• Production Capacity: 200000
• Package Size: 40.00cm * 45.00cm * 150.00cm
• Package Gross Weight: 165.000kg

Product Description

Front end telescopic cylinder scope
Bore size		90mm-220mm
Stage		2-6 stages
Stroke		Maximum 12000mm(450")
Working pressure		Maximum 210bar(3000PSI)
Mounting style		CC, DC, DB
Painting		Follow customers' requirement

Materials and technology
Barrel/Tube		1. Material: SAE1020(20#) , SAE1045(45#) ,16Mn(Q345B),27SiMn,etc. 2. Technology: cold drawn ,hot rolled,forged 3. Surface Roughness: R0.16-0.32μm 4. Choose by different working condition and requirements.
Piston rod		1. Material: SAE1045(45#),35CrMo,42CrMo4,etc. 2. Technology: Quenched and tempered 3. Surface treatment: chrome plated, nickel-chromium plated, nitriding, nitrocarburizing
Seal kits		1. Hallite, NOK, Parker, Hercules,Trelleborg,China made,Taiwan made 2. Choose by different working condition and requirements.

 

Company Profile

JUNRUI specialize in the production and R&D of Dump Truck&Trailer Telescopic Hydraulic Cylinder, Dump Truck Hydraulic System,Agricultural Machinery Hydraulic Cylinder, Garbage Truck Hydraulic Cylinder, Tipping Platform Hydraulic Cylinder,
Snow Plow Hydraulic Cylinder and so on.

Over the years development,our products have been exported to  America, Australia, Russia, Canada, Mexico,Colombia,
Netherlands etc and have been widely praised by the customers from home and abroad.
We are committed to providing customers with high quality and reasonable price products.
All Junrui products are designed,engineered and manufactured by highly skilled and experienced engineers,
All the products do QC 3 times before delivery to make sure the quality.

We are committed to providing customers with high quality and reasonable price products. All Junrui products are designed,
engineered and manufactured by highly skilled and experienced engineers, All the products do QC 3 times before delivery to
make sure the quality. The company has imported CNC deep hole boring machines, CNC laser cutting machines, CNC machining
centers, CNC cleaning machines, automatic assembly lines for hydraulic cylinders, robot welding stations, automatic welding
machines and other precision processing equipment, over 200 sets. After years of development, JUNRUI Hydraulic has developed
into an enterprise with complete hardware facilities, sophisticated processing equipment, strong technical force, and good social
benefits. For the stable development of your main business, we look forward to cooperating with you.

PRODUCTION PROCESS

Equipment

 

Certifications

 

Application

Coal shearer

SK Shearer is one of the main equipment of complete mining equipment. It is a large and complex system integrating mechanical, electrical and hydraulic pressure.

coal scraper conveyor 

SK thin coal seam scraper conveyor is a new type of working face conveyor developed by our company.
 

Q1: Are you a trading company or a manufacturer?
A: We have our own factory.
Q2: Are you able to make Non-standard or customized products? 
A: Yes, we can.
Q3: How long is your delivery time?
A: Normally, the delivery time is 7 days if we have stock, 15-30 working days if we don't. but it also depends on the product
requirements and quantity.
Q4: Do you provide samples? are the samples free or not?
A: Yes, we can provide samples.
Q5: What are your payment terms?
A: 30% deposit T/T or Irrevocable L/C at sight, If you have any questions, please feel free to contact us.
Q6: What are your After-sales services?
A: Before shipment, Each individual product will be strictly inspected on our factory QC Process System. In addition, We have a
Customer Service team to respond to customers' questions within 12 hours. Being helpful in solving customers' problems is always
our goal.