QC Hydraulics’ Stainless Steel Metric Fittings
Since 1999, QC Hydraulics has grown into a leading manufacturer of stainless steel DIN Metric Tube Fittings in China, which are widely sold to worldwide market. Like US, Canada, Germany, Spain, Italy…Looking forward to establishing a partnership with more customers!
What’s Metric Fittings?
Metric tube fittings are a type of metric tube fitting designed to be conformed with DIN 2353 & ISO 8434-1 standard pipes and tubes. DIN stands for “Deutsches Institut für Normung”, meaning “German institute for Standardization”.
DIN 2353 metric tube fittings consist of a body, cutting ring (ferrule) and nut. On assembly, the two cutting edges of the ring (ferrule) bite into the outer surface of the tube ensuring the necessary holding power and seal for high operating pressures and extreme vibration.
In hydraulic and pneumatic applications. Metric O.D. sizes range from 4mm to 42mm with the most common industrial applications using carbon steel or stainless steel material.
They are commonly used in automotive, industrial, and aerospace applications, and feature a higher level of leak-proofing compared to traditional fittings.
QC Hydraulics is manufacturing stainless steel DIN 2353 metric tube fittings. Available in SS 304, SS 316L & SS 316Ti(1.4571). Most of our customers from North America and Europe.
DIN tube fittings thread configurations:
-
Metric to Metric
- Metric to BSP 60 Cone Male
- Metric to BSP O-ring Seal
- Metric to BSP ES Seal
- Metric to NPT Male
- Metric to ORB Male Seal
DIN tube fittings thread Features:
- Bite type single ferrule design
- DIN 2353 & ISO 8434-1
- Useable with SS tubing
Shape:
Straight, 45 Elbow, 90 Elbow, Tee, Cross, Cap, Plug
Metric OD Size:
4 mm to 42 mm
Material:
Stainless Steel(SS 316, SS 316L, SS 316Ti, 1.4571)
Application:
- Construction Equipment
- Drilling Platforms
- Hydropower Plants
- Machine Tools
- Railway Technology
- Recycling Equipment
- Shipbuilding
- Wind Turbines
- Mobile Hydraulic Equipment
- Mining
- Stationary Hydraulic Equipment
DIN 2353 Pressure Series:
DIN 2353 tube fittings offer in 3 different pressure series – LL for Extra Light used in low pressure applications, L for Light used medium pressure applications and S for Heavy used high pressure applications. They are identified by measuring the thread size and pitch as well as tube OD.
| 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 |
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