Home > Hydraulic Weldable Nipple
Paul Tube Fittings, based in Houston, USA, is a reliable manufacturer and supplier of high-performance Hydraulic Weldable Nipples. These fittings are crafted for strong and secure hydraulic connections, perfect for tough industrial environments. Made from top-quality materials like carbon steel, stainless steel, or alloy steel, they offer outstanding strength, pressure resistance, and long-lasting durability. Designed for seamless integration into hydraulic systems, Paul Tube Fittings ensures precise dimensions, corrosion resistance, and compliance with international standards. Whether for low or high-pressure applications, these weldable nipples deliver leak-proof, dependable performance in hydraulic power units, heavy machinery, and fluid transfer systems.
The Hydraulic Weldable Nipples from Paul Tube Fittings are typically made from high-strength carbon steel, stainless steel (SS 304/316), or alloy steel. These materials provide impressive tensile strengths between 450 and 700 MPa, along with excellent weldability, corrosion resistance, and mechanical toughness. Built for high-pressure hydraulic systems, they guarantee a secure, leak-free connection once welded. Their thick-walled design and precision-machined threads ensure strength and stability, even under dynamic loads and thermal stress, making them trustworthy components for both mobile and stationary hydraulic equipment.
| 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 | |
| BODY TYPE | BAR STOCK |
| ACCESSORIES | O-RING |
| O-RING & SEALS | NBR ( -35*C TO 100* C ) VITON (-25*C TO 200* C) |
| SURFACE | CARBON STEEL – BLACK PHOSPHATED |
| STAINLESS STEEL – EXPORT BRIGHT FINISH, SHORT BLASTED FINISH, ELECTROPLATED FINISH | |
| TEMPERATURE | STEEL – (-40* C TO 120*C) ,STAINLESS STEEL – (-60*C TO 400*C) BRASS – (-60*C TO 175*C) |
| 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 Weldable Nipple 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 fulfil your needs promptly. Our commitment to excellence and efficiency ensures we always have the available stock to support your demands.
| Outer Diameter (mm) | To Fit Tube Size (mm) | d1 (mm) | L (mm) | O-Ring (mm) | Max. Pressure (bar) |
| 8 | 8 x 2 | 4 | 31 | 6 x 1.5 | 400 |
| 10 | 10 x 1.5 | – | – | – | 400 |
| 10 | 10 x 2 | 6 | 32.5 | 7.5 x 1.5 | 315 |
| 12 | 12 x 2.5 | 6 | 32.5 | 9 x 1.5 | 400 |
| 16 | 16 x 2 | – | – | – | 400 |
| 16 | 16 x 3 | 10 | 38.5 | 12 x 2 | 400 |
| 20 | 20 x 3 | 14 | 44.5 | 16.3 x 2.4 | 250 |
| 25 | 25 x 3 | 19 | 49.5 | 20.3 x 2.4 | 250 |
| 25 | 25 x 4 | 17 | 49.5 | 20.3 x 2.4 | 315 |
| 30 | 30 x 4 | 22 | 52 | 25.3 x 2.4 | 250 |
| 30 | 30 x 5 | 20 | 52 | 25.3 x 2.4 | 315 |
| 38 | 38 x 4 | 30 | 56.5 | 33.3 x 2.4 | 160 |
| 38 | 38 x 5 | 28 | 56.5 | 33.3 x 2.4 | 250 |
| 38 | 38 x 6 | 26 | 56.5 | 33.3 x 2.4 | 315 |
Contact us to get a quick quote for your requirement.
Paul Tube Fittings is a leading supplier and stockist of premium Hydraulic Weldable Nipple 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 Weldable Nipples are commonly found in hydraulic systems where strong, permanent connections are crucial. They’re often used in construction machinery, mining equipment, agricultural vehicles, hydraulic presses, and industrial power units. These nipples are welded directly to pipes or ports, creating a robust and leak-free connection that can handle high pressure and vibration. Paul Tube Fittings’ Hydraulic Weldable Nipples are versatile for both low- and high-pressure applications, making them a go-to choice for various industries.
Please feel free to contact us if you need any further information or for enquiry.
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