Home > Hydraulic Male Stud Coupling
Paul Tube Fittings is a prominent supplier and manufacturer of premium hydraulic male stud couplings in Houston, USA. The company, with a deep focus on precision engineering and customer satisfaction, provides efficient and long-lasting fittings meeting international standards. Its hydraulic male stud couplings find extensive usage in oil and gas, construction, and manufacturing industries. Made for complete connection and high-pressure performance, the fittings are leak-proof and offer unparalleled longevity. Paul Tube Fittings brings together cutting-edge technology, expert craftsmanship, and prompt service to deliver world-class solutions for every hydraulic connection requirement.
Hydraulic male stud couplings are generally made of high-quality carbon steel, stainless steel (304/316), or brass to provide superb pressure resistance, corrosion resistance, and mechanical stress resistance. These materials exhibit high tensile strength of 500-800 MPa and exhibit dimensional stability under challenging environments. The couplings have good ductility, fatigue resistance, and hardness ratings of up to 30 HRC in steel variants. They receive precision machining and heat treatment that improves their structural strength and capacity to stay safe with secure connections within high-pressure hydraulic systems, guaranteeing long-term reliability and safety in industrial processes.
| STANDARD | DIN 2353/ ISO 8434-1 |
| MATERIAL | MS, CS, SS 304 ,SS 304L , SS 316 ,SS 316L, SS 316TI ( 1.4571) , BRASS , COPPER , DUPLEX , SUPER DUPLEX , INCONEL , MONEL , HASTELLOY , 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 MALE THREAD , WELD NIPPLE TO MALE THREAD |
| BODY TYPE | 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 | CARBON STEEL -TRIVALENT ZINC PLATED , YELLOW PLATTING , BLACK PHOSPHATED, |
| STAINLESS STEEL – EXPORT BRIGHT FINISH, SHORT BLASTED FINISH | |
| TEMPERATURE | STEEL – (-40* C TO 120*C) ,STAINLESS STEEL – (-60*C TO 400*C) BRASS – (-60*C TO 175*C) |
| APPLICATIONS & INDUSTRIES | CONSTRUCTION EQUIPMENTS , DRILLING PLATFORMS, HYDRO POWER PLANTS , MACHINE TOOLS , RAILWAY TECHNOLOGY , SHIPBUILDING , WIND TUBRINE , MOBILE HYDRAULIC EQUIPMENT , MINNING , STATIONARY HYDRAULIC EQUIPMENT, INDUSTRIAL HYDRAULICS, INJECTION MOULDING MACHINERY , ALUMINUM DIE-CASTING MACHINERY, SINTERING MACHINERY, STEEL MILLS, HYDRAULIC PRESSES, PAPER PROCESSING MOBILE HYDRAULICS, BUILDING MACHINERY, AGRICULTURAL FORESTRY, LIFTING & MATERIAL HANDLING EQUIPMENT |
| MATERIAL DESIGNATOR | STAINLESS STEEL – ASTM A 276 , ASTM 182 |
| STEEL – ASTM 108/A105, JIS G4051 S20C, S45C,/G3201 SF440A. | |
| BRASS – ASTM B16 UNS C36000 , ASTM B282 ALLOY 37700 , JIS H3250 C3604 , C3771 , JIS H3250 C3771. |
At Paul Tube Fittings, we are the largest supplier, manufacturer, and exporter of Hydraulic Male Stud Coupling in Houston, USA. Our advanced manufacturing facilities, strategically positioned in the USA, enable us to deliver high-quality solutions to meet your specific requirements. With a robust inventory of over 16,000 tons of top-grade materials, we are well-equipped to fulfill your needs promptly. Our commitment to excellence and efficiency ensures we always have the available stock to support your demands.
| DIAM D | C | E | F | F1 | DIM G | H | HMAXI | H1 | BODY | SEALING WASHER | MINIMUM WORKING TEMPERATURE | MAXIMUM WORKING TEMPERATURE |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 MM | G1/8 | 6,5 MM | 13 MM | 10 MM | 16,5 MM | 8 MM | brass | nitrile | -40 CE | 100 CE | 0,015 KG | 10 |
| 4 MM | G1/8 | 5,5 MM | 13 MM | 10 MM | 14 MM | 17,5 MM | 9 MM | brass | nitrile | -40 CE | 100 CE | 0,016 KG |
| 4 MM | M5x0,8 | 5 MM | 10 MM | 10 MM | 16,5 MM | 8 MM | brass | nitrile | -40 CE | 100 CE | 0,01 KG | 10 |
| 4 MM | M7x1 | 6,5 MM | 10 MM | 10 MM | 16,5 MM | 7,5 MM | brass | nitrile | -40 CE | 100 CE | 0,013 KG | 10 |
| 4 MM | M8x1 | 6,5 MM | 11 MM | 10 MM | 16,5 MM | 7,5 MM | brass | nitrile | -40 CE | 100 CE | 0,013 KG | 10 |
| 5 MM | G1/8 | 6,5 MM | 13 MM | 12 MM | 17,5 MM | 8,5 MM | brass | nitrile | -40 CE | 100 CE | 0,018 KG | 10 |
| 5 MM | G1/8 | 5,5 MM | 13 MM | 12 MM | 14 MM | 18,5 MM | 9,5 MM | brass | nitrile | -40 CE | 100 CE | 0,027 KG |
| 5 MM | M8x1 | 6,5 MM | 11 MM | 12 MM | 17,5 MM | 8 MM | brass | nitrile | -40 CE | 100 CE | 0,015 KG | 10 |
| 5 MM | M10x1 | 6,5 MM | 14 MM | 12 MM | 17,5 MM | 8,5 MM | brass | nitrile | -40 CE | 100 CE | 0,02 KG | 10 |
| 6 MM | G1/8 | 6,5 MM | 13 MM | 13 MM | 18 MM | 8,5 MM | brass | nitrile | -40 CE | 100 CE |
Contact us to get a quick quote for your requirement.
Paul Tube Fittings is a leading supplier and stockist of premium Hydraulic Male Stud Coupling in Houston, USA. Our products are widely utilized across various industries, and we are committed to delivering exceptional service and ensuring high customer satisfaction. Our distinctive finishing techniques set us apart in the metal industry. We are dedicated to consistently providing top-quality products while effectively addressing the needs of our customers.
Hydraulic male stud couplings are employed to establish safe, high-pressure connections in many fluid power applications. Typical uses are in hydraulic power units, mobile construction machines, marine equipment, and industrial machinery. The couplings provide fast and reliable hose-to-port or tube-to-port connections with reduced leaks, ensuring uniform fluid flow. They are particularly convenient where frequent maintenance or replacement of components is needed. In aerospace, automotive, and agricultural industries, hydraulic male stud couplings are prized for their power, corrosion resistance, and reliability in extreme conditions, which qualifies them as critical elements in contemporary hydraulic systems.
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