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Cryogenic uni-directional ball valves serve as shut-off valves for low-temperature applications. These valves are commonly employed in the production, transportation, and storage of gases, providing reliable long-term performance.
- Diameter: DN15-DN80 nom
- Connection Type: BSP-PL, NPT, Butt Weld, Schedule 10, Socket Weld
- Stem Length: 230 mm
- Body Material: Bronze, Stainless Steel
- Valve Type: Manual, Wafer, Actuated
- Maximum Operating Pressure: 725 psi, 50 bar
- Minimum Operating Temperature: -196 °C
- Maximum Operating Temperature: +65 °C
- Weight: 2-16 kg
- Flow Rate: 9-300 Gal/min
- Packing Material: Virgin PTFE
- Stem Material: Stainless Steel
Cryogenic Floating Ball Valve (Liquid Nitrogen Ball Valve)
Ball valves are widely utilized in low-temperature and cryogenic applications, including the increasingly preferred energy source, Liquefied Natural Gas (LNG).
Features / Benefits
Applications
Liquid / Gas Type
Cryogenic Ball Valves: Product Overview
Cryo ball valve specification | Cryo ball valve standards |
Sizes | 1″–10” |
Pressure Class | 150LB–600LB |
Materials | CF8, CF3, CF3M, CF8M |
Design and Manufacturing Standards | API 6D, API 608, ASME B16.34, BS 6364, BS 5351, |
Face to Face Standards | ASME B16.10, BS 558, BS12982, ISO 5752 |
Flange Dimension Standards | ASME B 16.5, ASME B16.47, ASME B16.25, ASME B16.11, BS 12627 |
Pressure Test Standards | API598 API 6D BS12569 |
Fire Safety Test Standards | API 6FA API 607 |
Quality/Product Certifications | ISO9001, ISO14001, ISO18001 |
Fugitive Emissions | ISO 15848-1, API 622 |
NACE | NACE MR 0175 |
Valve operator options | Handwhel, Worm Gear, Electric actuator, Pneumatic actuator, Hydraulic Actuator. |
Shutoff Class | API 598 (Zero Leakage), API 6D |
Bore | Full Bore, Reduced Bore |
Process Connection Types | SW, NPT, BW, RF, RTJ |
Cryogenic Control Valve Mechanism
Cryogenic Ball Valve Design
Cryogenic Ball Valves: Applications
Cryogenic ball valves are used in tightly sealed LNG tanks that store liquid nitrogen and other cryogenic gases. These valves allow for the controlled transfer of liquid gas to other tanks as needed.
With liquefied natural gases becoming a more popular energy source, power plants use cryogenic ball valves to regulate the flow of these gases through specialized pipelines.
Ships designed with LNG tanks for transporting cryogenic gases are equipped with cryogenic ball valves. These valves are crucial for loading, offloading, and maintaining the gas’s integrity during transit.
In scientific operations that generate high heat, such as Nuclear Magnetic Resonance, cryogenic ball valves are employed to release controlled amounts of LNG for cooling purposes.
Cryogenic Valve
- Stainless Steel ball with Upstream Relief Hole
- Stainless Steel Extended Stem
- Polyfill Seats & TFE Coated Stainless Steel Body
- O2 Cleaned
Specifications
- ANSI B.16.34
- Pressure Class Range: 150, 300
- Seating Material: Polyfill
Usage
- Used to cut off or connect media in Class 150 to Class 1500 pipelines.
- Handles various media and operates down to -196°C.
- Available in manual, worm gear, pneumatic, and electric modes.
- Connection options: flange or welding.
Product Range
- Cryogenic ball valves come in two types: floating ball valves and trunnion ball valves.
- For details on product range, face-to-face, and flange dimensions, consult specific data for each valve type.
- Valves operating above -50°C typically do not include a long neck structure.
- Valves operating below -50°C have neck lengths designed according to standards or user requirements.
Structural Features
Lowest Working Temperature Of Shell Materials And Main Parameters | |||||
Lowest working temperature of shell materials | |||||
Gasting | Forging | ||||
Materials | Lowest working | Materials | Lowest working | ||
ASTM A352 LCB | -46℃ | ASTM A350 LF2 | -46℃ | ||
ASTM A352 LCC | -46℃ | -46℃ | |||
ASTM A352 LC1 | -59℃ | ASTM A350 LF5 | -59℃ | ||
ASTM A352 LC2 | -73℃ | ASTM A350 LF9 | -73℃ | ||
ASTM A352 LC3 | -101℃ | ASTM A350 LF3 | -101℃ | ||
ASTM A351 CF8 | -254℃ | ASTM A182 F304 | -254℃ | ||
ASTM A351 CF8M | -254℃ | ASTMA182 F316 | -254℃ | ||
ASTM A351 CF3 | -254℃ | ASTM A182 F304L | -254℃ | ||
ASTM A351 CF3M | -254℃ | ASTM A182 F316L | -254℃ | ||
main parameters | |||||
Design and manufacturing | BS6364-1998、JB/T7749-1995 | ||||
Face-to-face dimensions | ASME B16.10 | ||||
Type of connection | Fange | ASME B16.5 | Wafer | ASME B16.5 | |
Pressure test | API 598 | ||||
Transmission mode | Manual ,worm drive,pneumatic,electrical |
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Specs of Cryogenic Ball Valve
Diameter Range
Connection Types
Pressure Ratings
Material and Construction
Features of Cryogenic Ball Valve
Leak-Proof Sealing
These valves provide excellent leak-proof sealing, which is crucial for preventing the escape of gases or liquids. The sealing components are made from materials that remain effective at low temperatures, maintaining safety and preventing product loss. This feature is vital for industries handling VOC's substances.
Secure Anti-blowout Stem
Cryogenic Ball Valves include an anti-blowout stem design, which prevents the stem from being ejected under high pressure. This safety feature is what manufacturers appreciate, just like NTVAL for maintaining the valve's integrity and safe operation in high-pressure environments for our partners.
Extended Bonnet for Protection
An extended bonnet design helps protect the valve's stem seal from freezing. By keeping the packing and stem farther from the cold media, this feature makes the valve operate smoothly in cryogenic conditions. And the best part is, it's especially useful in preventing freezing issues and maintaining valve functionality.
Benefits of Cryogenic Ball Valve
Longer Service Life
Constructed from durable and corrosion-resistant materials, Cryogenic Ball Valves have a longer service life. This durability reduces the need for frequent replacements and maintenance, leading to cost savings over time. A longer service life also promises consistent performance in critical applications.
Improved Flow Efficiency
The design of Cryogenic Ball Valves often includes a full bore, allowing for improved flow efficiency. This design minimizes pressure drops and maximizes flow rates, making the system more efficient and cost-effective. Improved flow efficiency is particularly important in applications requiring high flow rates and consistent performance.
Easier Operation
Cryogenic Ball Valves are designed for quick and easy operation, often featuring simple mechanisms like quarter-turn actuation. This ease of operation allows for fast and efficient control of flow, which is essential in critical situations. The quick response time can help prevent accidents and provide smooth system performance.
Applications of Cryogenic Ball Valve
LNG Transportation
Chemical Processing
Power Generation
Aerospace Industry
3 Considerations When Buying Cryogenic Ball Valve
01
150 psi - 725 PSI
02
BSP-PL
03
1-2 Years Warranty
FAQ's
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