Grooved Fittings
Grooved Fittings support modular piping assemblies where fast coupling, service access and flexible layout are important. The series covers elbows, tees, couplings, reducers and clamps for water distribution and industrial piping applications.
Key Features
- Grooved connection system
- Rapid coupling assembly
- Elbows, tees, couplings and reducers
- Service-friendly pipe layout
- Options for water distribution systems
- Project configuration support available
TECHNICAL SPECIFICATIONS
Material Options
304 and 316L stainless steel
Connection Types
Grooved
Temperature Range
-196°C to 800°C
Pressure Rating
PN2.5 standard; up to PN4.5 custom
Diameter Range
DN65–DN300
Certifications
CJ/T 152-2016 or GB/T 9112-2010, depending on configuration
Pipe Compatibility Reference: Industrial Stainless Steel Welded Pipes
| Nominal Diameter (DN) | NPS Designator | OD - ASTM/ASME (mm) | OD - EN/ISO (mm) | OD - JIS (mm) | WT - Sch 10S (mm) | WT - Sch 40S (mm) | Remarks |
|---|---|---|---|---|---|---|---|
| DN15 | 1/2" | 21.3 mm | 21.3 mm | 21.7 mm | 2.11 mm | 2.77 mm | Standard |
| DN20 | 3/4" | 26.7 mm | 26.9 mm | 27.2 mm | 2.11 mm | 2.87 mm | - |
| DN25 | 1" | 33.4 mm | 33.7 mm | 34.0 mm | 2.77 mm | 3.38 mm | - |
| DN32 | 1-1/4" | 42.2 mm | 42.4 mm | 42.7 mm | 2.77 mm | 3.56 mm | - |
| DN40 | 1-1/2" | 48.3 mm | 48.3 mm | 48.6 mm | 2.77 mm | 3.68 mm | - |
| DN50 | 2" | 60.3 mm | 60.3 mm | 60.5 mm | 2.77 mm | 3.91 mm | Most Popular |
| DN65 | 2-1/2" | 73.0 mm | 76.1 mm | 76.3 mm | 3.05 mm | 5.16 mm | Verify OD |
| DN80 | 3" | 88.9 mm | 88.9 mm | 89.1 mm | 3.05 mm | 5.49 mm | - |
| DN100 | 4" | 114.3 mm | 114.3 mm | 114.3 mm | 3.05 mm | 6.02 mm | Universal OD |
| DN125 | 5" | 141.3 mm | 139.7 mm | 139.8 mm | 3.4 mm | 6.55 mm | - |
| DN150 | 6" | 168.3 mm | 168.3 mm | 165.2 mm | 3.4 mm | 7.11 mm | JIS Spec |
| DN200 | 8" | 219.1 mm | 219.1 mm | 216.3 mm | 3.76 mm | 8.18 mm | - |
| DN250 | 10" | 273.1 mm | 273.0 mm | 267.4 mm | 4.19 mm | 9.27 mm | - |
| DN300 | 12" | 323.9 mm | 323.9 mm | 318.5 mm | 4.57 mm | 9.53 mm | - |
Industrial pipe dimensions follow ASME B36.19M and EN ISO 1127 Series 1 references. These values are for industrial welded pipes, not thin-wall press-connect tubes. Confirm the applicable outside diameter before ordering, especially for DN65, where ASTM, EN/ISO and JIS values differ.
Pipe Compatibility Tolerances: Stainless Steel Welded Pipes
| Nominal Diameter (DN) | NPS Designator | Outside Diameter (OD) Tolerance | Wall Thickness (WT) Tolerance |
|---|---|---|---|
| DN15–DN40 | 1/2" to 1-1/2" | +0.40 / -0.80 mm | +20.0% / -12.5% |
| DN50–DN65 | 2" to 2-1/2" | +0.80 / -0.80 mm | +20.0% / -12.5% |
| DN80–DN100 | 3" to 4" | +0.80 / -0.80 mm | +22.5% / -12.5% * |
| DN125–DN200 | 5" to 8" | +1.60 / -0.80 mm | +15.0% / -12.5% * |
| DN250–DN300 | 10" to 12" | +2.40 / -0.80 mm | +15.0% / -12.5% * |
Tolerance reference: ASTM A999-23 and A312. For press-connect or thin-wall systems, request the dedicated tube dimensional catalog. Large-diameter tolerance depends on the t/D ratio; final dimensions are confirmed against the selected standard and order.
- Industrial water piping
- Building services
- Municipal water networks
- Maintenance-friendly installations
Warranty and support
2-year warranty and 7×24 technical support.
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