Type 06421
|
Cryogenic Safety Valves, angle type, bronze, PN40 d0=7,0 & 10,5mm up to PN50, type tested TÜV-SV.1111. S/G Standard safety valve, with PCTFE valve seal (D07 = Metal to metal seated), closed bonnet "cleaned and degreased for oxygen servive" Part No. 06421.X.0000 Inlet: female thread type G (BSPP) acc. to ISO 228/1 Outlet: female thread type G (BSPP) acc. to ISO 228/1 Applications: Provided as safety device for protection against excessive pressure in stationary and moveable gas cylinders and pressure vessels. Approved for air gases, vapours and cryogenic liquefied gases incl. LNG. Working temperature: -196°C / -321°F (77K) up to +185°C / +365°F (458K), with PCTFE-seal up to +150°C / 302°F (423K), suitable for horizontal installation |
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Type 06421 | Technical data | |||||
| Nominal size | GW | 1/2 | 1/2 | 3/4 | 1 | 1-1/4 |
| Orifice | d0 | 7.0 | 10.5 | 14.0 | 18.0 | 23.0 |
| Dimension Code | .X. | 0704 | 1004 | 1406 | 1810 | 2312 |
| Set pressure range | bar | 0.4-50.0 | 0.4-50.0 | 0.4-40.0 | 0.4-40.0 | 0.4-10.0 |
| Outlet | GA | 1 | 1 | 1-1/4 | 1-1/2 | 1-1/2 |
| Height | H | 145 | 145 | 164 | 195 | 200 |
| Length | L1 | 36 | 36 | 50 | 48 | 48 |
| Length | L2 | 41.5 | 41.5 | 49 | 59.5 | 65 |
| Wrench size across flats | S1 | 36 | 36 | 41 | 50 | 50 |
| Wrench size across flats | S2 | 41 | 41 | 50 | 58 | 58 |
| Weight | ca. kg | 0.80 | 0.795 | 1.25 | 1.87 | 1.79 |
| Coeff. of discharge from 3.0 bar | αw | 0.78 | 0.69 | 0.66 | 0.66 | 0.54 |
| Dimensions in mm. |
|
Discharge capacities Calculation of mass flow acc. to AD2000-Merkblatt A2 / DIN EN ISO 4126-1 Medium: Air in m³/h at 0°C and 1013.25 mbar The capacity indicated below is for fully opened valve. d0 - orifice A0 - flow area |
|
Set pressure in bar (ü) |
GW | 1/2 | 1/2 | 3/4 | 1 | 1-1/4 |
| d0 (mm) | 7.0 | 10.5 | 14.0 | 18.0 | 23.0 | |
| A0 (mm²) | 38.48 | 86.6 | 153.9 | 254.5 | 415.3 | |
| Medium | Air | |||||
| 0.4 | 24 | 43 | 77 | 122 | 157 | |
| 0.5 | 27 | 49 | 87 | 141 | 178 | |
| 1.0 | 40 | 77 | 130 | 216 | 287 | |
| 1.5 | 54 | 101 | 178 | 290 | 375 | |
| 2.0 | 65 | 126 | 219 | 362 | 472 | |
| 3.0 | 88 | 175 | 299 | 494 | 660 | |
| 4.0 | 110 | 220 | 375 | 620 | 829 | |
| 5.0 | 133 | 266 | 452 | 748 | 999 | |
| 6.0 | 156 | 311 | 529 | 874 | 1168 | |
| 7.0 | 178 | 356 | 605 | 1001 | 1337 | |
| 8.0 | 202 | 402 | 684 | 1130 | 1510 | |
| 9.0 | 224 | 447 | 760 | 1257 | 1680 | |
| 10.0 | 247 | 493 | 839 | 1387 | 1853 | |
| 12.0 | 293 | 583 | 992 | 1641 | - | |
| 14.0 | 338 | 674 | 1146 | 1895 | - | |
| 16.0 | 384 | 764 | 1300 | 2149 | - | |
| 18.0 | 429 | 855 | 1453 | 2403 | - | |
| 20.0 | 479 | 954 | 1623 | 2682 | - | |
| 22.0 | 525 | 1045 | 1778 | 2939 | - | |
| 24.0 | 571 | 1136 | 1933 | 3195 | - | |
| 25.0 | 594 | 1182 | 2010 | 3324 | - | |
| 26.0 | 617 | 1228 | 2088 | 3452 | - | |
| 28.0 | 662 | 1319 | 2243 | 3708 | - | |
| 30.0 | 715 | 1423 | 2421 | 4002 | - | |
| 32.0 | 761 | 1516 | 2577 | 4261 | - | |
| 34.0 | 807 | 1608 | 2734 | 4520 | - | |
| 36.0 | 854 | 1700 | 2891 | 4779 | - | |
| 38.0 | 900 | 1792 | 3047 | 5038 | - | |
| 40.0 | 954 | 1900 | 3231 | 5342 | - | |
| 42.0 | 1001 | 1993 | - | - | - | |
| 44.0 | 1048 | 2086 | - | - | - | |
| 46.0 | 1094 | 2179 | - | - | - | |
| 48.0 | 1141 | 2272 | - | - | - | |
| 50.0 | 1198 | 2385 | - | - | - | |
Download Datasheet (word)
Download Datasheet (pdf)
