D. I. All Flanged Tee K=14
D. I. Double Flanged Concentric Reducer K=12
Design Features
- Bolts & Nuts: Zinc-Plated hot dip Galvanised or Stainless Steel BS 729:1971, ISO 1461
- Sleeves: Ductile Iron BS 2789:1985, Grade 420/12
- Gland: Ductile Iron BS 2789:1985, Grade 420/12
- Rubber Gasket: SBR, EPDM or other BS 2494:1990, Type W
- Coating: Fusion Bonded Epoxy or Wet Epoxy Minimum 250 micrones Thick
Design Features
Material Specification
Tensile Strength (Min) | 420n/Nm² |
---|---|
Elongation (Min) | 5% |
Brinell Hardness | Max 250HB |
Design Features
Hydrostatic Test Pressure
Normal Diameter (mm) | Min. Test Press (Bar) |
---|---|
50 to 300 | 25 |
350 to 600 | 16 |
700 to 1200 | 10 |
Design Features
Thickness of Cement Mortar Lining
Normal Size DN | Thickness (mm) | |
---|---|---|
Nominal Value | Tolerance | |
50 to 300 | 4 | -1.5 |
350 to 600 | 5 | -2 |
700 to 1200 | 6 | -2.5 |