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CRYOGENIC
Type 06381
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Cryogenic Safety Valves, angle type, stainless steel, PN40, type tested TÜV-SV.780. S/G Standard safety valve Metal to metal seated, closed bonnet "cleaned and degreased for oxygen service" Part No. 06381.X.0000 Inlet: male thread type G (BSPP) acc. to ISO 228/1, Outlet: female thread type G (BSPP) acc. to ISO 228/1 Part No. 06381.X.2000 Inlet: male thread type R (BSPT) acc. to ISO 7/1, Outlet: female thread type G (BSPP) acc. to ISO 228/1 Part No. 06381.X.5000 Inlet: male thread NPT acc. to ANSI B 1.20.1, Outlet: female thread type G (BSPP) acc. to ISO 228/1 Part No. 06381.X.6000 Inlet: male thread NPT acc. to ANSI B 1.20.1, Outlet: female thread NPT acc. to ANSI B 1.20.1 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) |
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| Type 06381 | Technical data | ||
| Nominal size | GW | 1/2 | 3/4 |
| Orifice | d0 | 10.5 | 10.5 |
| Dimension code | .X. | 1004 | 1006 |
| Set pressure range | bar | 0.2-25.0 | 0.2-25.0 |
| Outlet | GA | 1 | 1 |
| Height | H | 140 | 140 |
| Length | L1 | 14 | 16 |
| Length | L2 | 36 | 36 |
| Wrench size across flats | S1 | 30 | 30 |
| Wrench size across flats | S2 | 41 | 41 |
| Weight | ca. kg | 0.75 | 0.78 |
| Coeff. of discharge from 3.0 bar | αw | 0.67 | 0.67 |
| Dimensions in mm. |
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Discharge capacities Medium: Air in m³/h at 0°C and 1013.25 mbar Air in SCFM at 60°F (15.6°C) and 14.7 psia (1013.25 mbar) The capacity indicated below is for a fully opened valve. d0 - orifice A0 - flow area |
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Calculation of discharge capacity acc. to AD2000-Merkblatt A2 / DIN EN ISO 4126-1 resp. ASME Code Sec. VIII.
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| Set pressure in bar (ü) | GW | 1/2 & 3/4 |
| d0 (mm) | 10.5 | |
| A0 (mm²) | 86.6 | |
| Medium | Air in m³/h | |
| 0.2 | 25 | |
| 0.5 | 48 | |
| 1.0 | 75 | |
| 1.5 | 100 | |
| 2.0 | 124 | |
| 3.0 | 171 | |
| 4.0 | 214 | |
| 5.0 | 259 | |
| 6.0 | 302 | |
| 7.0 | 346 | |
| 8.0 | 391 | |
| 9.0 | 434 | |
| 10.0 | 479 | |
| 12.0 | 567 | |
| 14.0 | 655 | |
| 16.0 | 742 | |
| 18.0 | 830 | |
| 20.0 | 927 | |
| 22.0 | 1015 | |
| 24.0 | 1104 | |
| 25.0 | 1148 |
| Set pressure in psig | GW | 1/2 & 3/4 |
| d0 (inch) | 0.413 | |
| A0 (in²) | 0.134 | |
| Medium | Air in SCFM | |
| 30 | 81 | |
| 40 | 100 | |
| 50 | 118 | |
| 60 | 137 | |
| 70 | 156 | |
| 80 | 175 | |
| 90 | 193 | |
| 100 | 212 | |
| 120 | 249 | |
| 140 | 287 | |
| 160 | 324 | |
| 180 | 362 | |
| 200 | 399 | |
| 220 | 436 | |
| 240 | 474 | |
| 260 | 511 | |
| 280 | 549 | |
| 300 | 586 | |
| 320 | 623 | |
| 340 | 661 | |
| 363 | 704 |
