Home > Special Grade Hydraulic Fittings
Ayhan Tube Fittings, located in Istanbul, Turkey, stands out as a top manufacturer and supplier of Special Grade Hydraulic Fittings, providing high-performance solutions for demanding industrial hydraulic systems. These fittings are crafted for precision, durability, and leak-proof connections, ensuring they operate reliably even under extreme pressure, temperature, and corrosive environments. Adhering to international standards and undergoing rigorous quality inspections, Ayhan Tube Fittings delivers products that meet the tough requirements of sectors like oil and gas, petrochemical, chemical processing, marine, and power generation. With a commitment to timely delivery, competitive pricing, and customer-centric services, the company has earned a reputation for excellence in specialty hydraulic components.
Special Grade Hydraulic Fittings are constructed from advanced alloys and specialty metals designed to withstand extreme operating conditions. Depending on the specific application, these materials may include nickel alloys, duplex or super duplex stainless steels, titanium, or other corrosion-resistant options. Mechanically, they boast impressive tensile and yield strength, high fatigue resistance, and excellent corrosion and oxidation resistance, all while maintaining stability under high pressure and temperature. The precision-engineered threads, sealing surfaces, and connection points guarantee reliable, leak-proof performance and a long service life, making them ideal for critical hydraulic applications.
| BRAND | Ayhan Tube Fittings |
| DESIGN STANDARD | DIN 2353/ ISO 8434-1 |
| MATERIAL | 904L , 6MO, TITANIUM , ALUMNIUM, ALLOY 20 |
| SERIES | LL- LOW PRESSURE , L- MEDIUM PRESSURE, S- HIGH PRESSURE |
| WORKING PRESSURE | (LOW) LL SERIES – 100 BAR |
| (MEDIUM)L SERIES – 100 BAR TO 500 BAR | |
| (HEAVY)S SERIES – 200 BAR TO 800 BAR | |
| SIZE RANGE | LL SERIES – 4LL TO 12LL |
| L SERIES – 6L TO 42L | |
| S SERIES – 6S TO 38S | |
| CONNECTIONS | TUBE TO TUBE , TUBE TO MALE THREAD , TUBE TO FEMALE THREAD , TUBE TO BUTT WELD , TUBE TO SOCKET WELD , TUBE TO JIC 37* , TUBE TO 24* CONE, TUBE TO SWIVEL END , TUBE TO ADJUSTBALE STANDPIPE |
| WELD NIPPLE TO MALE THREAD , WELD NIPPLE TO FEMALE THREAD , WELD NIPPLE TO BUTT WELD , WELD NIPPLE TO SOCKET WELD , WELD NIPPLE TO 24* CONE , WELD NIPPLE TO 37* JIC , WELD NIPPLE TO SWIVEL | |
| BODY TYPE | FORGED, BAR STOCK |
| ACCESSORIES | O-RING, DOWTY SEAL , COPPER WASHER , ED SEAL, CUTTING RING , NUT |
| O-RING & SEALS | NBR ( -35*C TO 100* C ) VITON (-25*C TO 200* C) , PTFE – (-60*C TO 240*) |
| SURFACE | EXPORT BRIGHT FINISH, SHORT BLASTED FINISH, ELECTROPLATED FINISH |
| C | Mn | Si | P | S | Cr | Mo | Ni | Cu |
|---|---|---|---|---|---|---|---|---|
| 0.02 Max | 2.0 Max | 1.0 Max | 0.045 Max | 0.035 Max | 19.0 Min 23.0 Max | 4.0 Min 5.0 Max | 23.0 Min 28.0 Max | 1.0 Min 2.0 Max |
|
Tensile Strength (MPa) min |
Yield Strength 0.2% Proof (MPa) min |
Elongation (% in 50mm) min |
Hardness
Rockwell B (HR B) |
Hardness
Brinell (HB) |
|---|---|---|---|---|
|
490 |
220 |
36 |
70-90 typical |
150 |
These fittings find extensive use in industries that require exceptional performance and reliability. In the oil and gas sector, they are utilized in high-pressure pipelines, subsea systems, and offshore platforms. Chemical and petrochemical plants rely on them for aggressive fluid-handling systems, while marine applications benefit from their resistance to seawater and harsh conditions. Additionally, sectors like power generation, pharmaceuticals, and industrial machinery also take advantage of their robust capabilities.
|
Grade |
904L |
|
|
Density
(kg/m3) |
7900 |
|
|
Elastic Modulus
(GPa) |
190 |
|
|
Mean Co-eff of Thermal Expansion (µm/m/°C) |
0-100°C |
15 |
|
0-315°C |
||
|
0-538°C |
||
|
Thermal Conductivity
(W/m.K) |
At 20°C |
11.5 |
|
At 500°C |
||
|
Specific Heat 0-100°C
(J/kg.K) |
500 |
|
|
Elec Resistivity
(nΩ.m) |
952 |
|
Ayhan Tube Fittings is a leading supplier and stockist of premium Hydraulic Tube Fittings in Istanbul, Turkey. Our products are widely used across various industries, known for their strength, durability, and leak-proof performance. We are dedicated to delivering exceptional service and ensuring high levels of customer satisfaction. Our advanced manufacturing and finishing techniques set us apart in the industry, enabling us to consistently provide top-quality Hydraulic Tube Fittings while effectively meeting the unique demands of our customers.
Contact us to get a quick quote for your requirement.
Special grade hydraulic fittings are essential in high-pressure and high-temperature environments where reliability and durability are critical. These fittings are commonly used in industries such as aerospace, automotive, oil and gas, marine, and heavy machinery. They ensure leak-free connections in hydraulic systems, supporting the efficient transmission of fluids under extreme conditions. Special grade hydraulic fittings are designed to withstand intense mechanical stress and corrosive environments, making them ideal for use in hydraulic pumps, motors, cylinders, and valves, ensuring optimal performance and safety in complex systems.
Please feel free to contact us if you need any further information or for enquiry.
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