| pedal-market |
| Iran |
| 021-55705400 |
Used Nissan Patrol 6-cylinder brake disc and clutch plate, Valeo brand
The used Nissan Patrol 6-cylinder Valeo brake disc is manufactured from low-alloy steel with precise heat treatment, featuring an outer diameter of 320 millimeters and a standard thickness of 32 millimeters. Each disc weighs approximately 9.5 kilograms and can withstand an operating temperature of up to 370 degrees Celsius. Mounting holes are spaced at a standard 114.3 millimeters, and ventilation grooves are designed for rapid heat dissipation and reduced brake noise. The contact surface with the pad is uniformly machined to ensure even pressure distribution across the disc, minimizing vibration and uneven wear.
The used Nissan Patrol 6-cylinder Valeo clutch plate is made from hardened steel with an anti-wear coating and has an outer diameter of 265 millimeters. The plate thickness is 9 millimeters, with a friction coefficient of 0.36 according to international standards. Optimized damper springs reduce initial clutch shock and extend overall assembly lifespan. Radial grooves and ventilation holes enhance heat transfer and minimize the risk of clutch slippage under heavy load conditions. Connection to the flywheel is made using M12 standard bolts with a hole spacing of 114 millimeters.

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| pedal-market | 021-55705400 |
| yadak-dakal |
| Iran |
| 021-55881648 |
cylinder support
Aerial concrete pump spare parts include main hydraulic system components, concrete transfer elements, and sealing assemblies with high precision and wear resistance. Concrete cylinders are made from hardened alloy steel with diameters of 150 to 250 millimeters, capable of withstanding operating pressures of 60 to 120 bar. Pistons and sealing rings are made of reinforced polyurethane or composite materials resistant to wear and pressure. Wear plates and brass rings ensure uniform concrete flow under variable pressures. Delivery pipes are made from alloy steel with diameters of 80 to 150 millimeters and wall thickness of 4 to 8 millimeters.
Structurally, the S valve or rock valve is made from wear-resistant alloy steel with heat treatment. Bushings and bearings use anti-friction alloys to reduce wear and extend service life. Multi-layer sealing kits prevent leakage of concrete and hydraulic oil. Central lubrication systems ensure uniform grease distribution at critical points. Locking clamps and couplings withstand impact loads and cyclic pressure. Component design complies with ISO 21573 and top brand specifications, ensuring durability, safety, and full compatibility.
| yadak-dakal | 021-55881648 |
| pedal-market |
| Iran |
| 021-55705400 |
Stock clutch disc and pressure plate Nissan Patrol 4-cylinder Valeo brand
The Nissan Patrol 4-cylinder stock clutch disc and pressure plate by Valeo are designed with a disc diameter of 230 millimeters and a thickness of 8 millimeters to provide mechanical durability and optimal torque transfer. The assembly is made from alloy steel with a tensile strength of 920 megapascals, ensuring stable performance at operating temperatures up to 280 degrees Celsius. The disc surface is reinforced with an anti-wear coating and a hardness of 43 to 47 Rockwell C, preventing corrosion and deformation under continuous pressure. The clutch plate features six diaphragm springs and a friction coefficient of 0.36, enabling smooth and slip-free power transfer.
This Valeo clutch kit for the Nissan Patrol 4-cylinder can withstand up to 250 newton meters of torque and is optimized for 2.4-liter 16-valve engines. The net weight of the assembly is 6.8 kilograms, ensuring dynamic balance and reduced vibration. The multilayer friction plate reinforced with fibers provides a service life of over 90,000 kilometers. The internal damper system with a 20-degree torsion angle prevents sudden shocks from reaching the gearbox and improves power transmission efficiency.

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| pedal-market | 021-55705400 |
| yadak-dakal |
| Iran |
| 021-55881648 |
slewing cylinder
Swing system spare parts include torque transmission assemblies for rotational movement in heavy machinery, designed for operating torque between 5 and 60 kilonewton meters. The swing motor is typically a hydraulic piston type operating at 250 to 350 bar. The reduction gearbox provides ratios from 1:20 to 1:120, with gears hardened to 58 to 62 HRC. The slewing ring bearing is manufactured with diameters ranging from 500 to 2500 millimeters. Permissible axial clearance is maintained below 0.3 millimeters and radial clearance below 0.5 millimeters. Sealing is achieved using oil seals resistant up to 90 degrees Celsius.
The structural design is based on contact stress and surface fatigue analysis to ensure service life exceeding 10^6 cycles. The ring gear material is alloy steel with yield strength above 700 megapascals. Induction hardening of gear teeth is performed to a depth of 3 to 6 millimeters. Internal braking torque ranges from 2 to 10 kilonewton meters to provide safe rotational control. Gear machining tolerances comply with ISO 8 accuracy class or better. Quality control includes torque testing, vibration analysis, and precise dimensional inspection.
| yadak-dakal | 021-55881648 |
| deutz-market |
| Iran |
| 021-22087856 |
deutz engine 912 1011 1012 and 1013 cylinder head
The cylinder head of Deutz 912, 1011, 1012, 1013 is made from a high-strength aluminum alloy capable of withstanding operating temperatures up to 280°C. Optimized water and oil channels improve heat dissipation by up to 35% compared to similar designs. The average wall thickness is 12 mm, and M10 bolts with 70 Nm torque secure the head. Valve stem height is 38 mm with a guide diameter of 10 mm, extending component life up to 8,000 operating hours. A multi-layer head gasket maintains engine compression between 20 and 24 bar, preventing combustion gas leaks and ensuring stable performance.
Internal oil channels in these cylinder heads support a flow rate of 12 liters per minute at 3.5 bar pressure, ensuring proper bearing lubrication. Valve timing is calibrated to 0.1 mm precision to optimize fuel efficiency. The air-oil cooling system limits valve and seat temperature to 260°C. Cylinder head compressive strength under DIN 1691 testing reaches 180 bar. Flow geometry enhances combustion turbulence, improving thermal efficiency by 7%. These heads allow quick service, enabling valve replacement in under 90 minutes, simplifying routine maintenance.

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| deutz-market | 021-22087856 |
| shoping-14 |
| Iran |
| 02155433645 |
Deutz three-cylinder engine exhaust
The Deutz three-cylinder engine exhaust is engineered to efficiently guide exhaust gases while reducing noise and vibration under heavy-duty conditions. The exhaust body is made from heat-resistant alloy steel with an Fe-Cr-Ni composition, capable of withstanding temperatures up to 750°C. The wall thickness ranges from 2 to 2.5 mm and is coated with a corrosion-resistant high-temperature paint. The total length is approximately 780 mm, with an outlet diameter of 95 mm. Its internal design, including expansion chambers and optimized flow paths, reduces back pressure and improves exhaust efficiency.
The Deutz three-cylinder exhaust features a dual-layer construction with 12 mm compressed fiberglass insulation to minimize heat transfer to the outer shell. The connection uses a reinforced 8 mm thick steel flange and high-temperature gasket. It provides vibration resistance up to 155 Hz and corrosion endurance tested for 1000 hours in salt spray conditions. The total weight is approximately 8.7 kg, designed for direct installation on the engine manifold. This structure ensures enhanced durability, reduced emissions, and stable engine performance.

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| shoping-14 | 02155433645 |
| volvo-loader |
| Iran |
| 02155433645 |
Volvo loader L90 and L120 stock cylinder head
The main stock cylinder head for Volvo L90 and Volvo L120 Loader is made from high-strength gray cast iron, designed according to DIN 1691 standards. The total length of the cylinder head is 720 mm for the L90 and 745 mm for the L120. The wall thickness between cylinders is 12 mm, capable of withstanding pressures up to 180 bar. The weight of the L90 cylinder head is approximately 85 kg, and the L120 is about 92 kg. Cooling and oil channels are engineered to ensure optimal heat transfer and prevent local hotspots. Main bolt threads are M12 with a depth of 35 mm, having a minimum tensile strength of 900 N/mm².
The stock cylinder head features precise vent channels to reduce internal pressure and prevent cracking. The mating surface with the engine block is CNC-finished with a tolerance of 0.02 mm. Oil and coolant passages are evenly distributed to all cylinder areas. Intake valve diameter is 34 mm, exhaust 29 mm, with each valve weighing about 1.1 kg and heat resistance up to 550°C. Installation and replacement are possible with standard Volvo tools, and stock quality is verified through hydrostatic pressure and visual inspections.

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| volvo-loader | 02155433645 |
| shoping-14 |
| Iran |
| 02155433645 |
Deutz five-cylinder engine exhaust
The Deutz five-cylinder engine exhaust is precisely engineered from grade 304 stainless steel to provide exceptional resistance against heat and corrosion. The system includes a five-branch exhaust manifold, connecting pipe, multi-stage silencer, and final outlet. The internal pipe diameter ranges from 50 to 60 millimeters, with a wall thickness of 1.6 millimeters. Noise reduction ranges between 38 and 42 decibels, and TIG-welded joints ensure high mechanical integrity. The internal flow curvature design minimizes pressure loss by up to 12 percent and enhances thermal efficiency.
In the Deutz five-cylinder engine exhaust system, the gas flow path is tuned to maintain balance between power output and fuel efficiency. The ceramic surface coating withstands temperatures up to 850 degrees Celsius, preventing oxidation. The total system weight is approximately 11 to 14 kilograms, suitable for heavy industrial and agricultural machinery. A dual-layer thermal insulator in the central section prevents heat transfer to adjacent components, improving safety and operational reliability.

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| shoping-14 | 02155433645 |
| shoping-14 |
| Iran |
| 02155433645 |
Deutz four-cylinder engine exhaust
The exhaust system of the Deutz four-cylinder engine is precisely engineered from heat-resistant stainless steel to ensure durability and high thermal efficiency. The assembly includes the exhaust manifold, mid-pipe, silencer, and tail outlet, designed to optimize exhaust gas flow. The internal pipe diameter typically ranges from 48 to 55 millimeters, with a wall thickness of about 1.5 millimeters. The silencer’s multi-stage expansion design reduces noise by up to 35 decibels. All joints are TIG welded to prevent gas leakage and maintain structural integrity.
In the Deutz four-cylinder engine exhaust design, the pressure drop and flow rate are calibrated to keep engine power optimized within 2500 to 3000 rpm. The corrosion-resistant coating withstands temperatures up to 800 degrees Celsius, preventing oxidation. The total system weight ranges from 9 to 12 kilograms and fits both industrial and agricultural chassis. A mid-section thermal insulator prevents heat transfer to the cabin, enhancing safety and operational reliability.

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| shoping-14 | 02155433645 |
| techno-liebherr |
| Iran |
| 021-55777575 |
912/913 HEAD CYLINDER
The cylinder head 912/913 is a critical engine component mounted on the engine block, ensuring combustion efficiency and heat transfer. It is typically made of aluminum or die-cast iron, providing high resistance to heat and pressure. Each cylinder contains 2 to 4 valves, and integrated oil and water channels ensure cooling and lubrication. The mating surface with the cylinder head gasket is precisely machined to prevent combustion gas leakage. Height and weight vary depending on model 912 or 913, typically between 25–40 cm and 12–18 kg.
Structurally, the cylinder head consists of the main body, oil and water channels, spark plug seats, valve seats, and bolt holes for installation. The design ensures optimized heat distribution, oil flow, and high resistance to vibration and mechanical stress. Installation is performed using standard bolts and gaskets and is fully compatible with 912 and 913 engines. The surface is treated with heat treatment and anti-corrosion coating to achieve a service life exceeding 200,000 km.

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| techno-liebherr | 021-55777575 |
| shoping-14 |
| Iran |
| 02155433645 |
6BT oversized cylinder head gasket
The 6BT oversized cylinder head gasket is designed with a 102 mm inner diameter and 1.2 mm thickness. The core is multilayer steel with nickel coating and a heat-resistant elastomer layer up to 300°C. The cylinder contact surface is machined with 0.02 mm precision and withstands combustion pressures up to 120 bar. Reinforcing steel rings are included around cylinder and oil holes, providing tensile strength over 500 N/mm². Thermal resistance ranges from -40 to 300°C, and vibration stability is ensured up to 15g.
This gasket is designed for 6-cylinder 6BT diesel engines, with oversize dimensions increasing cylinder lifespan. Chemical resistance against oil, fuel, and coolant is high, with plastic deformation under 0.05 mm. Oil and water hole dimensions comply with OEM standards, allowing quick installation with M10 bolts. Sealing efficiency exceeds 98 percent, and service life under severe thermal cycling exceeds 200,000 km. All components are ISO 9001 compliant and successfully pass pressure and temperature tests.

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| shoping-14 | 02155433645 |
| hadirangroup |
| Iran |
| 09123691065 |
Pneumatic Cylinder
A pneumatic cylinder is a linear actuator that converts compressed air energy into mechanical motion. Cylinder diameters range from 12 to 250 millimeters, with stroke lengths from 10 to 2000 millimeters. The cylinder body is made of aluminum or stainless steel, capable of withstanding working pressures of 6–10 bar. Internal pistons feature NBR or FKM seals to prevent air leakage, resist wear, and operate up to 80°C. The piston rod is chrome-plated or stainless steel, with internal lubrication providing a service life exceeding 5 million cycles.
Structurally, the cylinder consists of the main body, piston, piston rod, seals, return or double-acting spring, and air ports. The internal mechanism ensures smooth linear motion with minimal friction and vibration. Types include single-acting, double-acting, magnetic, and telescopic cylinders, allowing sensor installation and speed adjustment. These cylinders are widely used in production lines, automated machinery, and pneumatic mechanical systems.

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| hadirangroup | 09123691065 |
| techno-liebherr |
| Iran |
| 021-55777575 |
HYDRAULIC CYLINDER SEAL KIT
A hydraulic cylinder seal kit is a set of washers, O-rings, and seals used to prevent oil leakage and maintain hydraulic pressure in cylinders. Components are typically made of NBR, PU, or PTFE, providing high resistance to wear, heat, and hydraulic oil. Dimensional accuracy ranges from 0.01 to 0.05 millimeters to ensure leak-free operation. The kit includes piston seals, rod seals, O-rings, and wipers, each serving a specific sealing function. Operating temperature ranges from -30 to 120°C, and hydraulic pressure up to 250 bar can be tolerated.
Structurally, the seal kit is designed for easy installation on piston and rod surfaces, with long-term resistance to friction and wear. Seal surfaces are smooth and uniform to ensure full contact with cylinder walls and pistons. These kits are used in industrial cylinders, automotive systems, construction machinery, and hydraulic equipment. Component lifespan exceeds 50,000 cycles and is compatible with standard hydraulic oils ISO VG 32 to 68.

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| techno-liebherr | 021-55777575 |
| yadak-dakal |
| Iran |
| 021-55881648 |
cylinder block 120-80
Spare parts for ground concrete pumps include pistons, cylinders, sealing rings, and gaskets designed for precise and long-lasting operation. Cylinders and pistons are made of hardened alloy steel with high wear resistance and can withstand pressures up to 130 bar. Sealing rings and gaskets are manufactured from polyurethane and wear-resistant composite materials. Delivery pipes and elbows with diameters of 100 to 150 millimeters and anti-corrosion coatings ensure uniform concrete flow. High-pressure hoses and locking couplings allow fast and secure installation.
Structurally, S valves or rock valves guide continuous concrete flow. Steel hoppers with capacities of 400 to 800 liters enable consistent material transfer. Automatic lubrication systems, multi-stage filters, and wear plates extend component lifespan. Design compliance with ISO 21573 and EN 206 ensures operational efficiency, safety, and durability of ground concrete pumps.
| yadak-dakal | 021-55881648 |
| shoping-14 |
| Iran |
| 02155433645 |
1026BT oversize cylinder head gasket from Taiwan
The 1026BT oversize cylinder head gasket from Taiwan is made of stainless steel and multilayer fiber with nickel coating, ensuring resistance to combustion pressure up to 50 bar and operating temperatures up to 300°C. The inner diameter is 0.25 mm larger than the standard cylinder, with a total thickness of 1.5 mm for easy installation and complete sealing. Gasket edges are reinforced with cold pressing technology, withstanding radial and axial forces up to 10 kN per cylinder.
The gasket surface is coated with heat- and corrosion-resistant nickel and silicon. Hydrostatic pressure testing is performed at 1.5 times the standard operating pressure. Installation precision of 0.1 mm ensures zero gas and coolant leakage. Resistance to engine vibration and temperature variations from -40°C to 300°C is guaranteed, providing a service life of over 5 years under harsh industrial conditions.

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| shoping-14 | 02155433645 |
















