Premium Stainless Steel Hydraulic Hose Fittings
As an ISO 9001:2015 certified manufacturer, we specialize in engineering high-precision Stainless Steel Hydraulic Hose Fittings that deliver absolute leak-free reliability, maximum chemical resistance, and extended service life in the world's harshest operating conditions.
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Specifications
| PART NO. | THREAD | O-RING | DIMENSIONS | ||||
| E | F | F | A | B | L 1 | S | |
| 1JG-04-02 | 7/16*X20 | G1/8*X28 | O011 | 14 | 9.5 | 31 | 14 |
| 1JG-04 | 7/16*X20 | G3/4*X19 | O111 | 14 | 10 | 32.5 | 19 |
| 1JG-04-06 | 7/16*X20 | G3/8*X19 | O113 | 14 | 11.5 | 34 | 24 |
| 1JG-04-08 | 7/16*X20 | G3/2*X14 | O115 | 14 | 14 | 39 | 27 |
| 1JG-05-04 | 1/2*X20 | G1/4*X19 | O111 | 14 | 10 | 33 | 19 |
| 1JG-05-08 | 1/2*X20 | G1/2*X14 | O115 | 14 | 14 | 39 | 27 |
| 1JG-06-04 | 9/16*X18 | G1/4*X19 | O111 | 14.1 | 11 | 31.5 | 19 |
| 1JG-06 | 9/16*X18 | G3/8*X19 | O113 | 14.1 | 11.5 | 34 | 24 |
| 1JG-06-08 | 9/16*X18 | G1/2*X14 | O115 | 14.1 | 14 | 39 | 27 |
| 1JG-08-04 | 3/4*X16 | G1/4*X19 | O111 | 16.7 | 10 | 36 | 22 |
| 1JG-08-06 | 3/4*X16 | G3/8*X19 | O113 | 16.7 | 11.5 | 37 | 24 |
| 1JG-08 | 3/4*X16 | G1/2*X14 | O115 | 16.7 | 14 | 42 | 27 |
| 1JG-08-12 | 3/4*X16 | G3/4*X14 | O119 | 16.7 | 15.5 | 44 | 36 |
| 1JG-10-06 | 7/8*X14 | G3/8*X19 | O113 | 19.3 | 11.5 | 39.5 | 24 |
| 1JG-10-08 | 7/8*X14 | G1/2*X14 | O115 | 19.3 | 14 | 44.5 | 27 |
| 1JG-10-12 | 7/8*X14 | G3/4*X14 | O119 | 19.3 | 15.5 | 48.5 | 36 |
| 1JG-12-08 | 1.1/16*X12 | G1/2*X14 | O115 | 22 | 14 | 49 | 30 |
| 1JG-12 | 1.1/16*X12 | G3/4*X14 | O119 | 22 | 15.5 | 49.5 | 36 |
| 1JG-12-16 | 1.1/16*X12 | G1*X11 | O217 | 22 | 18 | 54 | 41 |
| 1JG-12-20 | 1.1/16*X12 | G1.14*X11 | O222 | 22 | 20 | 57 | 50 |
| 1JG-16-12 | 1.5/16*X12 | G3/4*X14 | O119 | 23 | 15.5 | 52.5 | 36 |
| 1JG-16 | 1.5/16*X12 | G1*X11 | O217 | 23 | 18 | 55 | 41 |
| 1JG-16-20 | 1.5/16*X12 | G1.14*X11 | O222 | 23 | 20 | 58 | 50 |
| 1JG-20-16 | 1.5/8*X12 | G1*X11 | O217 | 24.3 | 18 | 58 | 46 |
| 1JG-20 | 1.5/8*X12 | G1.14*X11 | O222 | 24.3 | 20 | 59.5 | 50 |
| 1JG-24-16 | 1.7/8*X12 | G1*X11 | O217 | 27.5 | 18 | 63.5 | 50 |
| 1JG-24-20 | 1.7/8*X12 | G1.14*X11 | O222 | 27.5 | 20 | 65.5 | 50 |
| 1JG-24 | 1.7/8*X12 | G1.1/2*X11 | O224 | 27.5 | 21.5 | 64 | 60 |
Applications
Marine, Naval & Offshore Drilling: Deck cranes, steering gears, and subsea hydraulic networks continuously exposed to saltwater, tidal splash zones, and high-salinity air.
Chemical, Petrochemical & Refining: Fluid lines handling aggressive chemical agents, corrosive gases, and refining by-products under extreme temperature variables.
Food, Beverage & Pharmaceutical Processing: Cleanroom hydraulic systems and washdown-heavy machinery where fittings must withstand frequent caustic acid/alkali sanitation without pitting or rusting.
Oil & Gas Extraction: Subsea control pods, blowout preventers (BOP), and hydraulic fracturing equipment operating under extreme deep-sea or desert pressures.
Hydrogen & Aerospace Support Systems: Ground support equipment and specialized cryogenic/high-temperature gas transfer applications requiring clean, spark-free connections.
Manufacturing Capability
One-Piece Monoblock Forging:
For curved configurations (45°-90°), we employ advanced one-piece forging techniques. This eliminates the structural weaknesses and leakage risks associated with multi-piece welded fittings.
Advanced Passivation Treatment
Post-machining, 100% of our fittings undergo chemical acid passivation. This critical process strips surface iron deposits and forces the rapid formation of a continuous, ultra-dense Chromium Oxide protective layer, maximizing raw corrosion resistance.
Quality Control & Testing
Positive Material Identification (PMI Testing)
Every batch of raw material is validated using handheld X-ray fluorescence (XRF) spectrometers. We guarantee that every SS316L fitting delivered conforms strictly to chemical composition thresholds.
Mill Test Report (MTR) Traceability
100% traceability from raw ingot to finished fitting. EN 10204 3.1 certificates detailing exact heat numbers and mechanical properties are archived for all production runs.
Destructive Pressure Validation
Random samples from each production run undergo hydrostatic burst testing up to 4x working pressure (4:1 Safety Factor), alongside dynamic impulse tests simulating over 1 million stress cycles to guarantee zero shell degradation.
FAQ
Q: Why choose stainless steel hydraulic hose fittings over carbon steel fittings?
A: Stainless steel fittings provide superior corrosion resistance, making them ideal for marine, chemical processing, food processing, and outdoor applications. They also offer longer service life and require less maintenance in aggressive environments.
Q: What grades of stainless steel are commonly used for hydraulic hose fittings?
A: The most common grades are 304 stainless steel and 316 stainless steel. Grade 304 offers excellent general corrosion resistance, while grade 316 provides enhanced resistance to saltwater, chemicals, and highly corrosive conditions.
Q: What pressure can stainless steel hydraulic hose fittings withstand?
A: Pressure ratings vary depending on the fitting design, size, and connection type. Many stainless steel hydraulic fittings are designed for medium to high-pressure applications and can operate at pressures exceeding 6,000 PSI when properly matched with compatible hoses.
Q: Are stainless steel hydraulic hose fittings resistant to corrosion?
A: Yes. Stainless steel fittings are highly resistant to rust, moisture, chemicals, and saltwater exposure. This makes them a preferred choice for applications where carbon steel fittings may corrode over time.
Q: Can stainless steel hydraulic hose fittings be customized?
A: Yes. Manufacturers often provide custom solutions based on customer drawings, thread requirements, dimensions, materials, and application needs. OEM and ODM services are commonly available for industrial projects.
Q: How do stainless steel hydraulic hose fittings help prevent leaks?
A: Precision-machined threads and sealing surfaces ensure accurate connections. Depending on the fitting type, sealing methods may include O-rings, metal-to-metal seals, or flare connections, all designed to maintain reliable sealing under pressure.
With abundant experience, we are one of the most professional stainless steel hydraulic hose fitting manufacturers in China. We warmly welcome you to wholesale discount stainless steel hydraulic hose fitting made in China here from our factory. All customized products are with high quality and competitive price.
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