低温安全阀主要用于低温介质管路的超压安全排放系统，广泛用于LO2、LN2、LNG及其他低温介质，具有开启灵敏、密封可靠和防静电的特点。
Stainless steel bellow sealed Safety Valves, angle type, type tested TUV-SV. 1105. D/G/F orifice do=12,5mm TUV-SV. 1105. D/G
Standard safety valve,
Metal to metal seated, closed bonnet "cleaned and degreased for oxygen service "
Applications:
Provided as safety device for protection against excessive pressure in stationary and moveable gas cylinders. Approved for non-inflammable and inflammable vapours, gases and fluids.
Temperature:-270℃/-454℉(3K)up to+225℃/+437℉(498K)
Maximum allowed back pressure: 15% of set pressure
Parts material
| Materials | DIN EN | ASTM | |
| 1 | Inlet body | 1.4571 | A276 Grade 316Ti |
| 2 | Outlet body | 1.4308 | A 351 CF8 |
| 3 | Disc | 1.4541 | A 276 Grade 321 |
| 4 | Bellow | 1.4571 | A276 Grade 316Ti |
| 5 | Bellow stem | 1.4571 | A276 Grade 316Ti |
| 6 | Stem | CW453K | B103 UNSC52100 |
| 7 | Bonnet | 1.4305 | A314 Grade 303 |
| 8 | Spring | 1.4571 | A276 Grade 316Ti |
| 9 | Cap | 1.4301 | A 276 Grade 304 |
Standard Technical data
| Technical data (1-1/4 in preparation) | |||||
| Nominal size | GW | 1/2 | 3/4 | 1 | 1-1/4 |
| Orifice | do | 12.5 | 15 | 20 | 23 |
| Set pressure range | bar | 3.0-25.0 | 3.0-25.0 | 3.0-25.0 | 3.0-25.0 |
| Outlet | GA | G1 | G1 | G 1-1/4 | G 1-1/2 |
| Height | H | 186 | 190 | 205 | 255 |
| Length | L1 | 44 | 44 | 51 | 56 |
| Length | L2 | 52 | 54 | 63 | 65 |
| Wrench size across flats | Si | 36 | 36 | 41 | 50 |
| Wrench size across flats | S2 | 41 | 41 | 50 | 55 |
| Weight | ca. kg | 1.03 | 1.05 | 1.70 | 2.45 |
| Coeff. ofdisch. vapours, gases | aw | 0.60 | 0.50 | 0.60 | 0.66 |
| Coeff. ofdisch. fluids | aw | - | 0.39 | 0.45 | 0.48 |
