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SHARJAH, United Arab Emirates
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Our Products

Honed Tube

Honed tube
Honed tube for hydraulic cylinders are obtained from high quality cold drawn tubes, available in a wide dimensional range, ranging from 40 mm ID to 250 mm ID

International Standards
EN 10305-1: E355
Werkstoff Nr. :1.0580
DIN 2391:St52-3
STAS:OL52-3
AFNOR:E36-4
BS :4360-50D
UNI EN 10025:Fe510
JIS :SM490A
GOST 19281-89 :17G1S
AISI / SAE / ASTM:1024

Quality specifications
Steel grade :E355 (EN 10305-1) / St52-3 (DIN 2391)
Heat treatment :+SR (EN 10305-1) / BK+S (DIN 2391)
Diameter range (metric) :from OD 40 x ID 30 mm to OD 300 x ID 250 mm(bigger dimensions: upon request)
Diameter range (imperial) :from OD 2 x ID 1 to OD 8 x ID 7(bigger dimensions: upon request)
Tolerance :ISO H8 (EN ISO 286-2)
Standard length :6000 8000 mm for ID 70 mm7000 9000 mm for ID >75 mm(upon request: special lengths)
Surface finish (ID) :Ra 0.20 m skived and roller burnished tubeRa 0.40 m honed tube
Straightness :max. 1 mm : 1000 mm
Total deviation- tubes with length 6 m: max. 3.5 mm : length
- tubes with length > 6 m: for each metre over 6 m
the tolerance must be increased by 0.5 mm
Eccentricity : 10% according to the standard EN 10305-1
Roundness :within the limits of the ID tolerances

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Monoblock Valves









Our Monoblock valves are capable of working with a maximum flow of 45 liters/min at an operating pressure of 350 bar. Numerous integrated valve features in addition to countless configuration options make our valve highly flexible and easily adaptable to the widest applications range.
The possibility to utilize wide variety of interchangeable spools circuit and different combinations between them, give an answer to every requirement.

Standard working conditions
Flow rate 11.9GPM
Pressure rate-5000 PSI
Max pressure on (T) 290 PSI
Operating Temperature -25/+80 degree C
Kinematic Viscosity from 10 to 460 mm sq/sec
Contamination level 19/16 ISO 4406
Applications
Cranes and aerial platforms, Agricultural machines,
Mini skid loaders, Mini dumpers, Forklifts

Sectional Valves:
our modular sectional valves are capable of working with a maximum flow of 80-250 liters/min. at an operating pressure of 350 bar.
Numerous integrated valves features in addition to countless configuration options make our sectional valve highly flexible and easily adaptable to interchangeable spools
the possibility to make parallel, tandem and series circuit and different combinations beteen them give an answer to every requirement



Technical specifications for -HC-D4
Working section number1 12
Rated flow80 l/min 22 GPM
Rated pressure350 bar 5000 PSI
Spool stroke6 + 6 mm
Spool pitch40 mm
Circuit typeParallel, series, tandem


Technical specification for HC-D16
Working section number1 12
Rated flow150 l/min 40 GPM
Rated pressure350 bar 5000 PSI
Spool stroke7 + 7 mm
Spool pitch46 mm
Circuit typeParallel, series, tandem


Technical specification for- HC-D20
Working section number1 12
Rated flow250 l/min 67 GPM
Rated pressure350 bar 5000 PSI
Spool stroke9, 5 + 9, 5 mm
Spool pitch64 mm
Circuit typeParallel, tandem


Applications
Excavators (max 7 ton.), Cranes and aerial platforms,
Backhoe loaders, Wheel loaders, Backhoes,
Compactor, hook and skip loaders,
Drilling machines, Forklifts.


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ALUMINIUM GEAR PUMPS

One of Galtechs specialties is designing and manufacturing hydraulic gear pumps.
Pumps range is divided into 3 categories: Group1, Group 2 and Group 3. Displacements range from 0, 9 to 120 cc/rev and up to 320 bar maximum working pressure.
Pumps are available with optional cast iron front flange and rear cover for noise reduction and higher working pressure on some displacements.
Pumps can be assembled with standard European, German, SAE front flanges or, special ZF, Perkins and Renault front covers.
Tapered, straight keyed or splined shafts are available with various porting configurations such as BSP, NPT, ORB, metric, flanged.
Rear covers with built-in relief valves and flow control valves are also available. All standard pumps are pre-configured to be assembled as double or triple pumps using coupling kits.

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Pressure Switch

Non adjustable differential type. Spring loaded sealed piston construction. Encapsulated design for protection against dust. Six pressure ranges available, which can be adjustable upto 10, 50, 100, 200, 350 and 420 bar. Transparent plug-in connector is available with LED

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Telescopic Cylinder

Our under body cylinders are designed to reach prefect efficiency with their light and strong structures. Side or 3-way tipping and agricultural applications are also our expertise for tractors and semi-trailers.

Production & Quality
Sealing System
We have got strategic partnership with the worldwide known sealing manufacturers. Advanced sealing system promises no oil leakage and easier service. Our cylinders are capable to work in between -40 0C / + 60 0C.

Solid Tubes
All tubes are %100 ST-52 cold drawn steel and internationally certificated. Our solution partners are the world leading manufacturers and providing to our special dimension tubes for decades.

Forged Steel Parts and Super Light Brackets
Trunions and spherical eyes are forged and heat treated. Reinforced casting brackets saves 7 kg weight on the chasis.

Light and Strong Design
Our special tube diameters and thickness make our gold series lightest and strongest in the world with %15 more lifting capacity than the others. Maximum durability and easy maintenance comes with unique design.

Integrated Production Line with Automation
All production process is supported by robot technologies and monitored professionally by ERP and Data Base Management systems.

Chroming
All stages hard chromed as a standard treatment in our manufactory. Minimum 50 chrome plating on diameter prevent our products from humidity, extreme weather conditions and external involvements.

%100 Process Traceability and Testing
During the production process, all parts of the tubes moved to the next stage with extended barcode number to create the final product serial number. All cylinders put in automatic test units and tested in real working conditions. (Pressure and Load)

All in One-Pack Solution with Our Hydraulic Kit
When our cylinders are used with our hydraulic kits, they reached
The best performance.
Perfect compatibility with all components for easy assembly and service
180.000 cycles with %50 over load. (tested)

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Gland Nut

We have pre-fabricated gland nuts that help in quick assembly of a cylinder.
Sizes ranging from 40X20X32 mm to 250X150X117 mm
Seals are provided with the gland nut

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Cylinder Piston

We have ready made Pistons that help in quick assembly of a cylinder
Sizes ranging from 40X15X40 mm to 250X98X82 mm
Seals are provided with the Piston

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O-Ring

We have Ready to weld end caps that help in quick assembly of a cylinder
Sizes ranging from 40 mm to 250 mm

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Chrome Rods

The standard for hydraulic applications, offering excellent surface, optimal corrosion resistance, andcompetitive price.

INTERNATIONAL STANDARDS

EN 10083 :C45E

Werkstoff Nr. :1.1191/1.1201

DIN :Ck45
STAS 500 :OLC45X
AFNOR-A36101-A35501 :2C45-XC42H1-XC45-XC48H1
BS-1449-4360 :080M46-060A47
UNI-7070 :C43-C46
JIS -G3106 :S45C -S48C
GOST-380-19281 :45
AISI-SAE-ASTM :1045

Steel grade :C45E (+N) (EN 10083)
Diameter range (metric) :6 200 mm
Diameter range (imperial) :1/4 8
Tolerance :ISO f7 (upon request: h7) (EN ISO 286-2)
Roundness :IT / 2
Standard length :- for < 60 mm: 5600 6200 mm- for 60 mm: 6500 7200 mmUpon request: special lengths on all diameters
Surface roughness :Ra max. 0.20 m (statistic average: 0.05 0.15 m) (EN ISO 4287)Chrome layer thickness :< 20 mm: min. 15 m 20 mm: min. 20 mChrome layer hardness : min. 900 HV(0.1)
Straightness : 16 mm: max. 0.3 mm : 1000 mm> 16 mm: max. 0.2 mm : 1000 mm

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Single Acting Piston Seal

Piston Seals or Piston Rings are used in hydraulic cylinders for fluid sealing and are designed to ensure that pressurised fluid does not leak across the cylinder head as the system pressure pushes the piston down the cylinder bore.
The choice of piston seal is decided by the way in which the cylinder operates. For a cylinder which is exclusively single-acting, capable of sealing dynamic pressure from one side (unidirectional), it is always best to choose the type of seal designed to provide optimum sealing qualities for single-acting functions.
The best sealing capacity of a double-acting cylinder, capable of sealing dynamic pressure from both sides (bidirectional), is achieved by choosing a double-acting seal.
A piston design where two single-acting seals on the piston for a double-acting cylinder are used can easily give rise to a breakdown. The reason is that a very high pressure can be trapped between the seals.
Piston seals, both single and double-acting, can be designed for and used with integrated or separate back-up rings and guide rings.

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Double Acting Piston Seal

Piston Seals or Piston Rings are used in hydraulic cylinders for fluid sealing and are designed to ensure that pressurised fluid does not leak across the cylinder head as the system pressure pushes the piston down the cylinder bore.
The choice of piston seal is decided by the way in which the cylinder operates. For a cylinder which is exclusively single-acting, capable of sealing dynamic pressure from one side (unidirectional), it is always best to choose the type of seal designed to provide optimum sealing qualities for single-acting functions.
The best sealing capacity of a double-acting cylinder, capable of sealing dynamic pressure from both sides (bidirectional), is achieved by choosing a double-acting seal.
A piston design where two single-acting seals on the piston for a double-acting cylinder are used can easily give rise to a breakdown. The reason is that a very high pressure can be trapped between the seals.
Piston seals, both single- and double-acting, can be designed for and used with integrated or separate back-up rings and guide rings.

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Rod Seal

The rod seal is the most critical seal on any type of fluid power equipment preventing leakage of fluid from within the cylinder to the outside. Leakage through the rod seal can reduce equipment performance, and also in extreme cases can cause environmental issues.

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Tube Fittings

















GEM Engineering Industries is a reputed manufacturer of hydraulic fittings, hose fittings and hose assemblies; designed and manufactured as per various national and international standards. GEM was established by promoters with over a decade of experience in the hydraulics fittings business.




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Solenoid Valves

Ponar is the largest Polish producer of oil hydraulics elements and systems.
Their offer includes a full range of services: from design, production, maintenance and repairs up to complete, final product. Their50-years experience in the industry of oil hydraulics is an asset in cooperation with theirCustomers.
Taking care of Their customers satisfaction, they are continuously improving quality of their products they promote development and modernization. The company keeps reaching towards requirements of the market, offering solutions that allows to apply their products in different conditions and environments, that improve quality and safety and allow to reduce costs.

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Electrical Winch

DV-6



  • Rated line pull:2, 722 kg /6, 000 lb single line

  • Heavyduty series wound motor giveshightorque and fast line speed.

  • 3 stage planetary gearbox delivers the most reliable and durable performance of winch under the rugged conditions.

  • The U.S., Germany, U.K., France, etc patented automatic CBS (Cone Brake Structure) holds full load, maintenance with easy.

  • The greater the load on the wire rope, the greater amount of brake that is applied by the mechanism.

  • Rotating ring gear clutch is a pull and turn design for rapid wire rope payout.

  • 2" rear receiver and quick connector kits mounts directly to the vehicle frame without drilling.

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Hydraulic Winch

HV-10



  • Powered by a PTO/power take off unit driven pump

  • Fast and variable recovery speeds for high work rate

  • Highly efficient and constant operating torque motor

  • 2 stage planetary gear train for greater pulling force

  • Turn clutch by ergonomic T-handle for rapid wire rope payout

  • Drag brake and over center valve providing complete braking

  • EN 14492-1 supported: 10:1 D/d ratio and 2:1 wire rope strength allow severe duty vehicles and commercial recovery

  • Meet SAE J706, CE machinery directive2006/42/EC and EN 14492-1:2006 Power DrivenWinches

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Clevis Bearing

bearing for clevis assist in manufacturing custom made mountings
our bearings range from 20 mm to 110 mm

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  • Al Zerwa Trading Co L.L.C (Al Zerwa Trading Co L.L.C)
  • :B/H National Paint, Industrial 13 , Sharjah, UAE.
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