Hydraulic Fittings Adapters
PDM-Racing
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High Pressure Hydraulic Fittings
Stainless Steel Hydraulic Fittings Title:
CNC Turning hydraulic fittings quick release hydraulic fittings jic bspp bspt SAE hydraulic ferrul fitting OEM Service
Reusable Hydraulic Fittings:
Hydraulic fittings and hose are metal connectors used to connect rubber/plastic hoses to hydraulic components in high-pressure hydraulic circuits. They consist of three parts: core tube, outer sleeve, and threaded end. It has functions such as sealing, pressure bearing, vibration resistance, and leakage prevention.
JIC Male x NPT Male Elbow
Male (external thread end): The end of the joint with external threads, used to screw in internal thread interfaces(such as valve blocks, pump ports, female joints). Corresponding: Female (internal thread end, with internal thread).
Metric to SAE Hydraulic Hose Adapter Fitting
SAE Flare/JIC (American standard 37 ° expansion)
SAE standards; JIC: SAE J514 is its core specification.
Core: 37 ° metal cone seal+UNF straight thread (American fine tooth), no O-ring, relying on cone metal hard seal.
BSPP Hydraulic Fittings
BSPP British standard straight pipe thread: G-thread, 55 ° profile angle, straight thread (cylindrical), requires O-ring or sealing gasket for auxiliary sealing.
Hydraulic Coupling Pipe Fittings
BSPT British standard taper pipe thread: 55 ° profile angle, 1:16 taper thread, self sealing by thread compression deformation, no additional sealing ring required.
| Part NO. | Tube O.D | Thread Size | Length | Hex | |
| B | A | L | H | ||
| 7000-MH-04-02 | 1/4 | 7/16-20 | R1/8-28 | 30.70 | 13.00 |
| 7000-MH-04-04 | 1/4 | 7/16-20 | R1/4-19 | 35.70 | 14.00 |
| 7000-MH-05-02 | 5/16 | 1/2-20 | R1/8-28 | 31.00 | 14.00 |
| 7000-MH-05-04 | 5/16 | 1/2-20 | R1/4-19 | 35.30 | 14.00 |
| 7000-MH-06-04 | 3/8 | 9/16-18 | R1/4-19 | 35.60 | 17.00 |
| 7000-MH-06-06 | 3/8 | 9/16-18 | R3/8-19 | 35.60 | 19.00 |
| 7000-MH-06-08 | 3/8 | 9/16-18 | R1/2-14 | 42.90 | 22.00 |
| 7000-MH-08-04 | 1/2 | 3/4-16 | R1/4-19 | 38.90 | 19.00 |
| 7000-MH-08-06 | 1/2 | 3/4-16 | R3/8-19 | 38.10 | 19.00 |
| 7000-MH-08-08 | 1/2 | 3/4-16 | R1/2-14 | 43.70 | 22.00 |
| 7000-MH-08-12 | 1/2 | 3/4-16 | R3/4-14 | 47.00 | 27.00 |
| 7000-MH-10-06 | 5/8 | 7/8-14 | R3/8-19 | 41.90 | 24.00 |
| 7000-MH-10-08 | 5/8 | 7/8-14 | R1/2-14 | 46.70 | 24.00 |
| 7000-MH-10-12 | 5/8 | 7/8-14 | R3/4-14 | 49.50 | 27.00 |
| 7000-MH-12-08 | 3/4 | 1-1/16-12 | R1/2-14 | 50.80 | 27.00 |
| 7000-MH-12-12 | 3/4 | 1-1/16-12 | R3/4-14 | 50.80 | 27.00 |
| 7000-MH-12-16 | 3/4 | 1-1/16-12 | R1-11 | 57.20 | 35.00 |
| 7000-MH-16-12 | 1 | 1-5/16-12 | R3/4-14 | 53.60 | 35.00 |
| 7000-MH-16-16 | 1 | 1-5/16-12 | R1-11 | 57.90 | 36.00 |
| 7000-MH-20-16 | 1-1/4 | 1-5/8-12 | R1-11 | 61.50 | 44.00 |
| 7000-MH-20-20 | 1-1/4 | 1-5/8-12 | R1-1/4-11 | 62.20 | 44.00 |
| 7000-MH-24-20 | 1-1/2 | 1-7/8-12 | R1-1/4-11 | 67.30 | 50.00 |
| 7000-MH-24-24 | 1-1/2 | 1-7/8-12 | R1-1/2-11 | 68.10 | 50.00 |
| Part NO. | Tube O.D | Thread Size | Length | Hex | |
| B | A | L | H | ||
| 7001-04-10-OR | 1/4 | 7/16-20 | M10 x 1 | 30.00 | 14.00 |
| 7001-04-12-OR | 1/4 | 7/16-20 | M12 x 1.5 | 31.00 | 17.00 |
| 7001-04-14-OR | 1/4 | 7/16-20 | M14 x 1.5 | 33.50 | 19.00 |
| 7001-06-10-OR | 3/8 | 9/16-18 | M10 x 1.0 | 29.50 | 17.00 |
| 7001-06-12-OR | 3/8 | 9/16-18 | M12 x 1.5 | 32.00 | 17.00 |
| 7001-06-14-OR | 3/8 | 9/16-18 | M14 x 1.5 | 34.00 | 19.00 |
| 7001-06-16-OR | 3/8 | 9/16-18 | M16 x 1.5 | 36.00 | 22.00 |
| 7001-06-18-OR | 3/8 | 9/16-18 | M18 x 1.5 | 37.00 | 24.00 |
| 7001-08-14-OR | 1/2 | 3/4-16 | M14 x 1.5 | 37.00 | 22.00 |
| 7001-08-16-OR | 1/2 | 3/4-16 | M16 x 1.5 | 38.00 | 22.00 |
| 7001-08-18-OR | 1/2 | 3/4-16 | M18 x 1.5 | 36.50 | 24.00 |
| 7001-08-20-OR | 1/2 | 3/4-16 | M20 x 1.5 | 38.00 | 27.00 |
| 7001-08-22-OR | 1/2 | 3/4-16 | M22 x 1.5 | 37.50 | 27.00 |
| 7001-10-18-OR | 5/8 | 7/8-14 | M18 x 1.5 | 43.00 | 24.00 |
| 7001-10-22-OR | 5/8 | 7/8-14 | M22 x 1.5 | 40.50 | 27.00 |
| 7001-12-22-OR | 3/4 | 1-1/16-12 | M22 x 1.5 | 48.00 | 27.00 |
| 7001-12-26-OR | 3/4 | 1-1/16-12 | M26 x 1.5 | 51.00 | 32.00 |
| 7001-12-27-OR | 3/4 | 1-1/16-12 | M27 x 2 | 51.00 | 32.00 |
| 7001-16-33-OR | 1 | 1-5/16-12 | M33 x 2 | 53.00 | 41.00 |
| 7001-16-42-OR | 1 | 1-5/16-12 | M42 x 2 | 53.00 | 50.00 |
| 7001-20-42-OR | 1-1/4 | 1-5/8-12 | M42 x 2 | 55.00 | 50.00 |
Notes:
Stainless Steel Hydraulic Hose Fitting
SAE Flare / JIC 37°（SAE J514）
Thread: UNF straight thread (such as 1/4 "-20, 3/8" -18).
Sealing: The 37 ° outer conical surface and the expanded end of the hose are metal to metal sealed, and can be disassembled and reassembled repeatedly.
Pressure: up to 420 bar (6000 psi), preferred for medium and high pressure.
Material: Carbon steel (galvanized), stainless steel 304/316, brass.
Application: North American construction machinery, agricultural machinery, trucks, aviation hydraulics (AN is the military version, same as 37 °).
Advantages: vibration resistance, reusable, easy to inspect; Disadvantages: The conical surface is prone to scratches and requires precision machining.
BSPP (G-thread, ISO 228-1）-BSPP Hydraulic Hose Crimp Fittings
Thread: 55 ° Wyeth straight thread (cylindrical), such as G1/4, G3/8.
Sealing: End face O-ring or metal gasket, thread does not participate in sealing.
Pressure: up to 400 bar, suitable for medium and high pressure, frequent disassembly and assembly scenarios.
Application: European and Asian equipment, such as injection molding machines, machine tools, hydraulic stations.
Advantages: Reliable sealing, anti vibration, easy maintenance; Disadvantage: Additional sealing rings are required.
Hydraulic Crimp Fittings Assortment
BSPT（ISO 7/1）
Thread: 55 ° Wyeth taper thread (1:16 taper), such as R1/4, R3/8.
Sealing: Metal extrusion deformation self seals during thread engagement, suitable for low/medium pressure.
Pressure: ≤ 250 bar, commonly used in low-pressure circuits, pneumatic systems, and water/oil pipelines.
Application: Old equipment from the Commonwealth and Asia, ordinary hydraulic and pneumatic systems.
Advantages: No need for sealing rings, easy installation; Disadvantages: Cannot be disassembled repeatedly (threads are prone to damage), high pressure is prone to leakage.
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