18061659285
Class300 Forged DBB Trunnion-Mounted Ultra-Low Temperature Ball Valve
Product Parameters
| Size | 2" to 36" (DN50 ~ DN900) |
| Nominal Pressure | Class 300 (Optional Class 150 / 600 / 900 / 1500 / 2500) |
| Operating Temperature | ≥ -196°C |
| Assembly Method | Side Entry / Top Entry |
| Ball Type | Trunnion-mounted, 2-piece or 3-piece |
| Body Material | A350 LF2, A350 LF3, AISI 4130, AISI 4140, A182 F304, A182 F316, A182 F316L, A182 F51 (S32205), A182 F53 (S32750), Inconel 625, Incoloy 800, Hastelloy C-276, etc. |
| Seats | PEEK, PCTFE (KEL-F), Devlon V-API, PTFE |
| Design Standards | GB/T14925, BS5351, MESCSPET7/200, ASME B16.34 |
| Connection | Flanged |
| Drive Mode | Handle, Worm Gear, Electric, Pneumatic, Hydraulic |
| Application Field | LHe, LH₂, LNG, LN₂, LOX, LCO₂, etc. |
| Brand | SLVCN |
Key Features
Leak-Free and Safe Design
Double-Block-and-Bleed (DBB), Anti-Static, Fire-Safe, Anti-Blowout Stem, and Low Fugitive Emission Packing ensure maximum safety and leak prevention in critical applications.
Reliable Cryogenic Performance
Engineered to perform in extreme cold conditions down to -196°C, with PCTFE Cryogenic Seats and Lip-Seal Compensation for a tight, leak-free seal even under low temperatures.
Durability Under High Pressure and Low Temperature
Forged trunnion-mounted design ensures durability and reliable operation at temperatures as low as -46°C, with resistance to both low temperatures and high-pressure conditions.
Stringent In-House Cryogenic Testing
Every valve undergoes rigorous in-house cryogenic testing to guarantee reliable, leak-free operation and performance in the most demanding low-temperature environments.
Wide Application Range
Ideal for cryogenic fluids such as LNG, Liquid Nitrogen (LN₂), Liquid Oxygen (LOX), Liquid Hydrogen (LH₂), and other high-flow fluids, as well as industrial pipelines and large storage tanks.
Customizable Materials and Sizes
Available in a variety of sizes (2" to 36", DN50 to DN900) and materials such as A350 LF2, F316(L), Inconel 625, Hastelloy C, etc., to meet specific industry needs.
Product Details
SLVCN Class 300 Cryogenic Ball Valve is engineered for reliable performance in extreme low-temperature conditions, down to -196°C. Featuring a trunnion-mounted ball and durable materials like F316(L) and Inconel 625, it ensures leak-free operation under both low temperatures and high pressures. Advanced sealing materials such as PEEK and PCTFE provide long-lasting, dependable sealing.
Ideal for cryogenic fluids like LNG, LN₂, LOX, and LH₂, it offers versatile actuation options including manual, electric, pneumatic, and hydraulic. Built to meet global standards (GB/T14925, ASME B16.34), each valve undergoes rigorous in-house testing to ensure consistent, high-quality performance.
Parts List
Dimensions: Class 300 - Full Port
| Size | Bore | Side Entry | Top Entry | ||||||||||||
| Model / Face to Face | D in/mm | D1 in/mm | Weight | Model / Face to Face | Weight | ||||||||||
| NPS/DN | B1 in/mm | B2 in/mm | FF,FW RF in/mm | FF,FW RTJ in/mm | FF BWE in/mm | FW BWE in/mm | Model FF lb/kg | Model FW lb/kg | FT RF in/mm | FT RTJ in/mm | FT BWE in/mm | D2 in/mm | Model FT lb/kg | ||
| 2" | 1.94 | 1.94 | 8.5 | 9.13 | 8.5 | 11 | 6.5 | 6.5 | 60 | 60 | 11.5 | 11.63 | 11.5 | 7.5 | 121 |
| 50 | 49 | 49 | 216 | 232 | 216 | 279 | 166 | 166 | 27 | 27 | 292 | 295 | 292 | 190 | 55 |
| 3" | 2.94 | 2.94 | 11.13 | 11.75 | 11.13 | 12.5 | 8.5 | 8.5 | 132 | 132 | 14 | 14.13 | 14 | 9.4 | 276 |
| 80 | 74 | 74 | 283 | 298 | 283 | 318 | 216 | 216 | 60 | 60 | 356 | 359 | 356 | 240 | 125 |
| 4" | 3.94 | 3.94 | 12 | 12.63 | 12 | 14 | 10.1 | 10.1 | 179 | 179 | 17 | 17.13 | 17 | 11.4 | 507 |
| 100 | 100 | 100 | 305 | 321 | 305 | 356 | 256 | 256 | 81 | 81 | 432 | 435 | 432 | 290 | 230 |
| 6" | 5.94 | 5.94 | 15.88 | 16.5 | 18 | 18 | 12.9 | 12.9 | 408 | 397 | 22 | 22.13 | 22 | 14.6 | 606 |
| 150 | 150 | 150 | 403 | 419 | 457 | 457 | 328 | 328 | 185 | 180 | 559 | 562 | 559 | 370 | 275 |
| 8" | 7.94 | 7.94 | 19.75 | 20.38 | 20.5 | 21.5 | 16.3 | 15.9 | 688 | 659 | 26 | 26.13 | 26 | 16.3 | 1124 |
Weight and dimensions for larger valve sizes up to 36" available on request
Dimensions: Class 300 - Reduced Port
| Size | Bore | Side Entry | Top Entry | ||||||||||||
| Model / Face to Face | D in/mm | D1 in/mm | Weight | Model / Face to Face | D2 in/mm | Weight | |||||||||
| NPS/DN | B1 in/mm | B2 in/mm | GG, GW RF in/mm | GG, GW RTJ in/mm | GG BWE in/mm | GW BWE in/mm | Model GG lb/kg | Model GW lb/kg | GT RF in/mm | GT RTJ in/mm | GT BWE in/mm | Model GT lb/kg | |||
| 2"×11/2" | 1.94 | 1.5 | 8.5 | 9.13 | 8.5 | 11 | 6.5 | 6.5 | 57 | 57 | 11.5 | 11.63 | 11.5 | 6.5 | 66 |
| 50×40 | 49 | 38 | 216 | 232 | 216 | 279 | 166 | 166 | 26 | 26 | 292 | 295 | 292 | 166 | 30 |
| 3"×2" | 2.94 | 1.94 | 11.13 | 11.75 | 11.13 | 12.5. | 8.3 | 8.3 | 88 | 88 | 14 | 14.13 | 14 | 8.3 | 143 |
| 80×50 | 74 | 49 | 283 | 298 | 283 | 318 | 211 | 211 | 40 | 40 | 356 | 359 | 356 | 210 | 65 |
| 4" X3" | 3.94 | 2.94 | 12 | 12.63 | 12 | 14 | 10.1 | 10.1 | 154 | 154 | 17 | 17.13 | 17 | 10 | 298 |
| 100×80 | 100 | 74 | 305 | 321 | 305 | 356 | 256 | 256 | 70 | 70 | 432 | 435 | 432 | 255 | 135 |
| 6" ×4" | 5.94 | 3.94 | 15.9 | 16.5 | 18 | 18 | 12.6 | 12.6 | 251 | 251 | 22 | 22.13 | 22 | 12.6 | 551 |
| 150×100 | 150 | 100 | 403 | 419 | 457 | 457 | 321 | 321 | 114 | 114 | 559 | 562 | 559 | 320 | 250 |
| 8"×6" | 7.94 | 5.94 | 19.8 | 20.38 | 20.5 | 21.5 | 15 | 15 | 481 | 468 | 26 | 26.13 | 26 | 15 | 661 |
Weight and dimensions for larger valve sizes up to 36" available on request
If you want to obtain the complete size, please contact us
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