Type 06603
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Safety Valves, angle type, bronze, type tested TÜV-SV.1080. S/G Standard safety valve with O-ring valve seal, closed bonnet, with lifting device, with enlarged outlet In- and outlet: female thread type G (BSPP) acc. to ISO 228/1 Part No. 06603.1204.0000 Available options - on request only: - external parts nickel plated Applications: Provided as safety device for protection against excessive pressure in pressure vessels and steam boilers. Approved for non-toxic gases, vapours and for saturated steam. Working temperature: -10°C / +14°F (263K) up to +180°C / +356°F (453K) For saturated steam use only up to 3 bar and +135°C / +275°F (408K) |
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| Type 06603 | Technical data | |
| Nominal size | GW | 1/2 |
| Orifice | d0 | 12.5 |
| Set pressure range | bar | 0.2-5 |
| Outlet | GA | 1 |
| Height | H | 145 |
| Length | L1 | 36 |
| Length | L2 | 42 |
| Wrench size across flats | S1 | 32 |
| Wrench size across flats | S2 | 41 |
| Weight | ca. kg | 0.7 |
| Coeff. of discharge from 3.0 bar | αw | 0.74 |
| Dimensions in mm. |
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Discharge capacities Calculation of mass flow acc. to AD2000-Merkblatt A2 Medium: Air in m³/h at 0°C and 1013.25 mbar Saturated steam in kg/h The capacity indicated below is for a fully opened valve. d0 - orifice A0 - flow area |
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Set pressure in bar (ü) |
GW | 1/2 | 1/2 |
| d0 (mm) | 12.5 | 12.5 | |
| A0 (mm²) | 122.7 | 122.7 | |
| Medium | Air | Saturated steam | |
| 0.2 | 50 | 43 | |
| 0.5 | 79 | 66 | |
| 1.0 | 120 | 96 | |
| 1.5 | 160 | 128 | |
| 2.0 | 196 | 154 | |
| 2.5 | 231 | 182 | |
| 3.0 | 267 | 208 | |
| 3.5 | 301 | 235 | |
| 4.0 | 335 | 260 | |
| 4.5 | 369 | 287 | |
| 5.0 | 404 | 311 |
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