低温闸阀适用于甲烷、液态天然气、二氧化碳、液氨、液氧、液氮、液氢等低温介质。通常工作温度低于-110℃，最高-196℃，广泛应用于液化天然气，液化石油气体和其它低温行业。
Cryogenic Gate Valves, PN50
Stainless steel body and topwork, one way tightening (in flow direction),
"live loaded" gland packing "cleaned and degreased for oxygen service “
Available options - on request only:
other connections are in preparation
Applications:
Approved for air gases, vapours and cryogenic liquefied gases incl. LNG. Workingtemperature:-196℃/-321℉(77K)up to+1200C/+2480F(393K)
Parts material
| Materials | DIN EN | ASTM | |
| 1 | Body | 1.4308 | A 351 CF8 |
| 2 | Valve seal | PTFE / Carbon filled (25%) | |
| 3 | Disc | CW452K | B103 UNSC51900 |
| 4 | Wedge | 1.4308 | A 351 CF8 |
| 5 | Stem | 1.4301 | A 276 Grade 304 |
| 6 | Bonnet gasket | PTFE | |
| 7 | Headpiece | 1.4308 | A 351 CF8 |
| 8 | Bolts | 1.4301/A2 | A194 B8 |
| 9 | Elongation tube | 1.4541 | A213TP321 |
| 10 | Gland packing | Graphite / PTFE | |
| 11 | Gland nut | 1.4305 | A 276 Grade 303 |
| 12 | Handwheel | Aluminium alloy | |
| 13 | Bush | CW452K | B103 UNSC51900 |
Standard Technical data
| Nominal size | DN | 25 | 40 | 50 | 65 | 80 | 100 |
| Face-to-face dimension | FF | 133 | 133 | 110 | 110 | 110 | 130 |
| Height | H | 330 | 360 | 410 | 440 | 450 | 570 |
| Outside pipe-0 EN ISO 1127 | RA | 33.7 | 48.3 | 60.3 | 76.1 | 88.9 | 114.3 |
| Wall thickness pipe EN ISOH27 | a | 2.0 | 2.0 | 2.0 | 2.6 | 3.2 | 3.2 |
| Outside pipe-0 ASTM A312 | RA | 33.40 | 48.26 | 60.33 | 73.03 | 88.90 | 114.3 |
| Wall thickness pipe ASTM A312 | a | S10 | S10 | S10 | S10 | S10 | S10 |
| Socket depth | b | 8 | 13 | 16 | 16 | 16 | 20 |
| Handwheel-0 | B | 125 | 125 | 150 | 150 | 150 | 200 |
| Weight | ca.kg | 3.3 | 4.8 | 7.5 | 8.6 | 11.4 | 21.8 |
| Kvs - Value | m3/h | 43 | 93 | 125 | 283 | 310 | 792 |
| Cv - Value | gal /min | 51 | 111 | 149 | 337 | 369 | 943 |
