Stainless Steel DIN 2353 Tube Fittings Manufacturer in China
Hydraxio is a professional manufacturer of stainless steel DIN 2353 tube fittings in China, supplying high-precision hydraulic fittings to wholesalers, distributors, and OEM customers worldwide.
With advanced CNC machining, strict quality control, and full OEM capability, we provide reliable metric DIN tube fittings compatible with leading international brands.
Material: AISI 304 / 316 / 316Ti stainless steel
Standard: DIN 2353 / ISO 8434-1
Size Range: 4mm – 42mm
Extra Light, Light & Heavy Series (LL / L / S)
OEM & Custom Drawing Available
Why Choose Our DIN 2353 Stainless Steel Fittings
Hydraxio is a specialized manufacturer of stainless steel DIN 2353 tube fittings, supplying precision hydraulic components to global distributors, wholesalers, and OEM equipment manufacturers.
Our fittings fully comply with DIN 2353 and ISO 8434-1 standards and are manufactured using advanced CNC machining with strict dimensional control and 100% pressure testing.
Available in AISI 304, 316L, and 316Ti stainless steel grades.
We provide OEM production, private labeling, and custom drawing manufacturing for long-term distribution partnerships.
Standard: DIN 2353 / ISO 8434-1
Series: Extra Light(LL) / Light (L) / Heavy (S)
Tube OD: 4mm – 42mm
Working Pressure: up to 630 bar
Material: AISI 304 / 316L / 316Ti
Surface: Passivated / Cleaned
Inspection: 100% Dimensional & Pressure Test
Metric DIN 2353 Stainless Steel Fittings Product Range
Hydraxio manufactures a complete range of stainless steel DIN 2353 tube fittings including extra light(LL), light (L) and heavy (S) series.
Our product range covers straight connectors, elbows, tees, bulkhead fittings, reducers, plugs, and cutting rings – all produced with high precision CNC machining and 100% pressure testing.
DIN Tube Cutting-Ring
Available in 4–42mm, LL/L/S Series, 304/316L/316Ti stainless steel.
DIN Tube Nut
Available in 4–42mm, LL/L/S Series, 304/316L/316Ti stainless steel.
DIN Tube Union Fitting
Available in 4–42mm, LL/L/S Series, 304/316L/316Ti stainless steel.
BSP Male DIN Tube Fitting(ED Seal)
Available in 4–42mm, LL/L/S Series, 304/316L/316Ti stainless steel.
DKO Swivel Female 24° DIN Fitting
Available in 4–42mm, LL/L/S Series, 304/316L/316Ti stainless steel.
Swivel Female 24° DIN 90° Elbow
Available in 4–42mm, LL/L/S Series, 304/316L/316Ti stainless steel.
DIN Tube Union 90° Elbow
Available in 4–42mm, LL/L/S Series, 304/316L/316Ti stainless steel.
DIN Tube Union Tee
Available in 4–42mm, LL/L/S Series, 304/316L/316Ti stainless steel.
Bulkhead DIN Tube Fitting
Available in 4–42mm, LL/L/S Series, 304/316L/316Ti stainless steel.
Bulkhead DIN 90° Elbow
Available in 4–42mm, LL/L/S Series, 304/316L/316Ti stainless steel.
BSP Male Female Swivel Tube Fitting(ED Seal)
Available in 4–42mm, LL/L/S Series, 304/316L/316Ti stainless steel.
DKO Swivel Female DIN Tube Fitting
Available in 4–42mm, LL/L/S Series, 304/316L/316Ti stainless steel.
Male NPT DIN Tube Fitting
Available in 4–42mm, LL/L/S Series, 304/316L/316Ti stainless steel.
DIN Tube Weld Fitting
Available in 4–42mm, LL/L/S Series, 304/316L/316Ti stainless steel.
DIN Tube Plug Fitting
Available in 4–42mm, LL/L/S Series, 304/316L/316Ti stainless steel.
DIN Welding Nipple(Soft Seal)
Available in 4–42mm, LL/L/S Series, 304/316L/316Ti stainless steel.
Quality Control & Manufacturing Capability
All Hydraxio stainless steel DIN 2353 tube fittings are precision-manufactured using advanced CNC machining equipment with strict dimensional tolerance control.
Each production batch undergoes hydrostatic pressure testing and detailed visual inspection to ensure leak-free performance and reliable connection under high-pressure applications.
Our manufacturing process strictly complies with DIN 2353 and ISO 8434-1 standards, ensuring full interchangeability and consistent quality for global hydraulic systems.
Quality Control Highlights:
✔ 100% Critical Dimension Inspection
✔ Hydrostatic & Nitrogen Pressure Testing
✔ Raw Material Traceability System
✔ Salt Spray Corrosion Test (upon request)
✔ Surface Passivation Treatment (upon request)
Certifications & Testing Standards
DIN 2353/ISO 8434-1 Compliance
Material Certificates (EN 10204 3.1)
RoHS / REACH
Applications of Stainless Steel DIN 2353 Tube Fittings
Our stainless steel DIN 2353 tube fittings are widely used in high-pressure hydraulic systems requiring corrosion resistance and long service life.
Designed for demanding industrial environments, they provide reliable, leak-free connections in the following industries:
Oil & Gas Equipment
Used in high-pressure and corrosive hydraulic systems for upstream and downstream oil & gas operations.
Offshore platforms hydraulic systems
Drilling rigs and control units
Pipeline pressure control systems
Stainless steel DIN 2353 fittings ensure leak-free performance under high pressure and harsh marine environments.
Marine & Offshore Systems
Designed for corrosion-resistant hydraulic connections in marine environments.
Shipboard hydraulic pipelines
Deck crane systems
Steering gear systems
Offshore lifting equipment
AISI 316L stainless steel provides superior resistance to saltwater corrosion.
Chemical Processing
Used in corrosive and high-temperature chemical environments.
Chemical plant hydraulic systems
Corrosive media pipelines
Reactor control units
Dosing and metering systems
AISI 316L stainless steel ensures corrosion resistance and reliable sealing performance.
Construction & Mining Machinery
Reliable hydraulic connections for heavy-duty and high-vibration machinery.
Excavators and loaders
Underground mining drills
Hydraulic rock breakers
Industrial hydraulic presses
Heavy Series (S) DIN 2353 fittings support high working pressure up to 630 bar.
Agricultural Machinery
Durable hydraulic connections for mobile equipment operating in outdoor environments.
Tractors and harvesters
Irrigation hydraulic units
Seeding equipment
Spraying systems
Light Series (L) DIN fittings are ideal for medium-pressure agricultural systems.
Food & Pharmaceutical Equipment
Suitable for clean hydraulic systems requiring stainless steel components.
Food processing machinery
Beverage filling systems
Laboratory hydraulic units
Sterile production lines
316L stainless steel provides clean surface finishing and corrosion resistance.
DIN 2353 Fittings Cross Reference to Parker & Other Brands
Our stainless steel DIN 2353 tube fittings are dimensionally interchangeable with Parker, Adaptall, and Exmar series.
If you are searching for brand manufacturers equivalent replacement, our DIN fittings provide a cost-effective and reliable alternative.
| Hydraxio | Parker | Adaptall | Exmar |
|---|---|---|---|
| QRL/RS Series | DPR-L/S Series | 5202 Series | SR-L/S Series |
| QNL/NS Series | M Nut Series | 5201-L/S Series | UEM-L/S Series |
| Q1C/Q1D Series | G Union Series | 5000L/S Series | XGV-L/S Series |
| Q1CB-WD/Q1DB-WD Series | GE-R-ED Series | 5002L/S Series | XGV-LR-WD Series |
| Q3C/Q3D Series | GZ Swivel union Series | 5300L/S Series | VKO-L/S Series |
| Q2C9-W/Q2D9-W Series | EW Swivel Nut Ebow Series | 5360L/S Series | XEWKO-L/S M Series |
| Q1C9/Q1D9 Series | W Union Elbow Series | 5055L/S Series | XWV-L/S Series |
| QAC/AD Series | T Union Tee Series | 5080L/S Series | XTV-L/S Series |
| Q6C-LN/Q6D-LN Series | SV Bulkhead Union Series | 5040L/S Series | XGSV-L/S KM Series |
| Q6C0-LN/Q6D9-LN Series | WSV Bulkhead Elbow Series | 5042L/S Series | XWSV-L/S KM Series |
| Q2BC-WDW/Q2BD-WDW Series | EGE-R-ED Swivel Connector Series | 5302L/S Series | EGKO-LM WD/SM WD Series |
| Q2C-W/Q2D-WSeries | RED Tube and Reducer Series | 5360L/S Series | XGKO-L/S M Series |
| Q1CN/Q1DN Series | GE-NPT Male Stud Connector Series | 5007L/S Series | XGEV-L/S NPT Series |
| Q4C/Q4D Series | ROV Blanking Plug For Tube Ends Series | 5203L/S Series | XVSA-...L/S Series |
Brand names mentioned are for reference purposes only.
DIN 2353 Thread Size Chart & Working Pressure Ratings (L, S & LL Series)
The following DIN 2353 thread size chart and pressure rating table provide reference information for Light (L), Heavy (S), and Extra Light (LL) series fittings.
Working pressure varies depending on tube O.D and pressure series classification.
Please refer to the table below for metric thread callout and corresponding pressure ratings.
| PRESSURE SERIES | TUBE O.D | METRIC THREAD CALLOUT | WORKING PRESSURE (BAR)* |
|---|---|---|---|
| LL | 4 mm | 8 mm x 1.0 | 100 |
| LL | 6 mm | 10 mm x 1.0 | 100 |
| LL | 8 mm | 12 mm x 1.0 | 100 |
| LL | 10 mm | 14 mm x 1.0 | 100 |
| LL | 12 mm | 16 mm x 1.0 | 100 |
| PRESSURE SERIES | TUBE O.D | METRIC THREAD CALLOUT | WORKING PRESSURE (BAR)* |
|---|---|---|---|
| L | 6 mm | 12 mm x 1.5 | 315 |
| L | 8 mm | 14 mm x 1.5 | 315 |
| L | 10 mm | 16 mm x 1.5 | 315 |
| L | 12 mm | 18 mm x 1.5 | 315 |
| L | 15 mm | 22 mm x 1.5 | 315 |
| L | 18 mm | 26 mm x 1.5 | 315 |
| L | 22 mm | 30 mm x 2.0 | 160 |
| L | 28 mm | 36 mm x 2.0 | 160 |
| L | 35 mm | 45 mm x 2.0 | 160 |
| L | 42 mm | 52 mm x 2.0 | 160 |
| PRESSURE SERIES | TUBE O.D | METRIC THREAD CALLOUT | WORKING PRESSURE (BAR)* |
|---|---|---|---|
| S | 6 mm | 14 mm x 1.5 | 630 |
| S | 8 mm | 16 mm x 1.5 | 630 |
| S | 10 mm | 18 mm x 1.5 | 630 |
| S | 12 mm | 20 mm x 1.5 | 630 |
| S | 14 mm | 22 mm x 1.5 | 630 |
| S | 16 mm | 24 mm x 1.5 | 400 |
| S | 20 mm | 30 mm x 2.0 | 400 |
| S | 25 mm | 36 mm x 2.0 | 400 |
| S | 30 mm | 42 mm x 2.0 | 400 |
| S | 38 mm | 52 mm x 2.0 | 315 |
How to Select DIN 2353 Pressure Series?
LL Series is typically used for low-pressure systems.
L Series is suitable for medium-pressure hydraulic applications.
S Series is designed for high-pressure systems up to 630 bar.
For correct selection, consider tube O.D, system pressure, and application environment.
DIN 2353 Seal Materials & Temperature Range
The working temperature of DIN 2353 fittings depends on both fitting material and seal material selection.
Different seal materials are suitable for various operating environments including high temperature, chemical exposure, and hydraulic oil applications.
| FITTINGS MATERIAL | SEAL MATERIALS | PRESSURE RANGE | ||||
| Material | Working Temperature | Designation | Material | Working Temperature | Pressure Designation | Working Pressure |
| Stainless Steel | -60 °C to +400 °C | BN | NBR | -35 °C to +100 °C | Low (LL) | Up to 100 bar |
| Steel | -40 °C to +120 °C | VT | FKM | -25 °C to +200 °C | Medium (L) | Up to 500 bar |
| Brass | -60 °C to +175 °C | TE | PTFE | -60 °C to +240 °C | High (S) | Up to 800 bar |
Hydraxio: Your Reliable DIN Tube Fittings Manufacturer
With over 20 years of industry leadership, Hydraxio specializes in the manufacture of stainless steel tube and hose fittings. Our reputation is built on a foundation of exceptional team expertise, cutting-edge technology, rigorous quality control, robust production capacity, and unparalleled professional service.
Widely recognized by global hydraulic & industrial wholesalers, distributors, and OEMs across sectors including hydraulic, pneumatic, oil & gas, chemical, marine, and shipbuilding, our products are synonymous with reliability and quality. We also provide OEM service to major worldwide hydraulic fitting manufacturers, helping them reduce production costs and gain more market share.
Hydraxio continues to thrive in the high-quality overseas market, consistently meeting and often exceeding customer expectations. As a dependable and respected supplier of stainless steel hydraulic fittings, we remain committed to innovation, quality, and customer satisfaction.
Frequently Asked Questions
Yes, our stainless steel DIN 2353 fittings are manufactured according to DIN 2353 and ISO 8434-1 standards, ensuring dimensional compatibility with major international brands. Such as Parker Ermeto.
We offer AISI 304, 316L, and 316Ti stainless steel options depending on application requirements and corrosion resistance needs.
Common seal materials include NBR, FKM (Viton), and PTFE. Each material has different temperature and chemical resistance ranges.
The L (Light) series is designed for medium-pressure hydraulic systems, while the S (Heavy) series supports higher working pressure applications up to 630 bar. The correct selection depends on system pressure and tube O.D.
Working pressure varies by series and tube size. S series can support up to 630 bar, while L series is typically rated up to 315 bar.
Yes, we support OEM production based on drawings, private labeling, and customized packaging for distributors and equipment manufacturers.
Production lead time depends on order quantity and product type, but standard items are generally available within 4–8 weeks.
Yes, we offer OEM services and have collaborated with several global stainless steel hydraulic fittings manufacturers. By partnering with Hydraxio, you can significantly reduce production costs and enhance your market presence.
Why Partner with Hydraxio for Stainless Steel Hydraulic Fittings?
✔ 20+ Years Stainless Steel Specialization
✔ 50+ CNC Precision Machines
✔ ISO-Certified Production & Inspection
✔ Global Bulk Supply to 50+ Countries
✔ OEM & Brand-Compatible Solutions