| Customization: | Available |
|---|---|
| Media: | Oil |
| Temperature: | Ordinary Temperature |
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Size range 1/2" ~ 42" (DN15 ~ DN1050) | Body & Bonnet Material A350 LF2, LCB, LC3, CF8, CF8M (304L/316L), CF3, CF3M Inconel, Monel, Super Duplex, low-temp Cr-Ni steels |
Temperature range -196°C to +50°C (-321°F to +122°F) | Stem / Shaft Material 304 / 316 / CF8M stainless steel, optional low-friction coating |
Maximum Allowable Working Pressure ANSI / ASME Class 150 – 2500 (depends on size and material) | Seats & Seals Cryogenic-grade PEEK, PTFE, PCTFE, or metal-to-metal seals |
Stem Material 304 / 316 / CF8M stainless steel, optionally hardened or coated | Packing & Gland PTFE / graphite composite, low-temperature resistant |
Special / Optional Materials Super Duplex, Inconel, Monel, special cryogenic alloys for corrosive fluids or extreme low temperatures | Operation Method Manual (Handwheel / Gear), Pneumatic, Electric Actuated |
Special Design Features Smooth gate operation, minimal thermal expansion, low torque, robust structure, anti-frost/thermal shock resistant, modular/lightweight | End Connection Standards Flanged: ASME B16.5 / EN1092 Butt Weld: ASME B16.25 . Other custom connections available |
Design Standards ASME B16.34, A-P-I-600, BS 6364 / ISO 14313 | Applications LNG storage, transfer, industrial and specialty gas pipelines, cryogenic chemical processing, low-temperature fluid control |
Testing & Inspection Pressure & Leakage Test: A-P-I-598 / ISO 5208 Cryogenic Functional Test, Helium Leak Test, NDT: X-Ray/Ultrasonic/Magnetic Particle, FEA Verification | Key Highlights Leak-tight at -196°C, long service life, low maintenance, low operating torque, safe for cryogenic fluids, modular & lightweight |


DN | 2 | D | H | H1 | W |
RF | RF | RF | |||
DN50 | 178 | 152 | 575 | 76 | 20 |
DN65 | 191 | 178 | 601 | 89 | 26 |
DN80 | 203 | 190 | 652 | 95 | 35 |
DN100 | 229 | 229 | 717 | 115 | 51 |
DN125 | 254 | 254 | 755 | 127 | 65 |
DN150 | 267 | 279 | 842 | 140 | 81 |
DN200 | 292 | 343 | 985 | 172 | 128 |
DN250 | 330 | 406 | 1140 | 203 | 196 |
DN300 | 356 | 483 | 1295 | 242 | 300 |
DN350 | 381 | 533 | 1415 | 267 | 400 |
DN400 | 406 | 597 | 1530 | 299 | 515 |
Class 300lb |
DN | L | D | H | H1 | W |
RF | RF | RF | |||
DN50 | 216 | 165 | 590 | 83 | 27 |
DN65 | 241 | 190 | 625 | 95 | 32 |
DN80 | 283 | 210 | 675 | 105 | 50 |
DN100 | 305 | 254 | 735 | 127 | 77 |
DN125 | 381 | 279 | 812 | 140 | 104 |
DN150 | 403 | 318 | 870 | 159 | 137 |
DN200 | 419 | 381 | 1005 | 191 | 216 |
DN250 | 457 | 444 | 1200 | 222 | 347 |
DN300 | 502 | 521 | 1335 | 261 | 468 |
DN350 | 762 | 584 | 1455 | 292 | 732 |
DN400 | 838 | 648 | 1600 | 324 | 951 |

