Current position > Product detail
『Liquid ammonia flowmeter』Related information(clamp on meter|electromagnetic meter|venturi meterrotameter|orifice meter|ultrasonic flow meter|mass flow meter|coriolis mass flow meter|coriolis flow meter|magnetic flow meter|magmeter flow meter|magflow flow meter|mag meter flow meter|electromagnetic flow meter|vortex flow meter|turbine flow meter|thermal mass flow meter|thermal flow meter|rotameter flow meter)
1. Imported liquid ammonia emergency shut-off valve. Germany NOOK is a professional brand in the field of liquid ammonia emergency shut-off valves. However, the list of "top ten brands" mentioned in the search results mainly reflects the brands comprehensive influence and strength, and is not specifically targeted at the sub field of liquid ammonia emergency shut-off valves. 1. Regarding the German NOOK brand, Nook was founded in 1885 and is one of the earliest manufacturers of valves, flow meters, and water pumps in Germany. It is a well-known enterprise in the German machinery industry. Its product line covers various industrial valves, but in real-time search results, the specific product parameters or technical advantages of its liquid ammonia emergency shut-off valve are not explicitly mentioned.
2. Professional brand reference for liquid ammonia emergency shut-off valve. Liquid ammonia belongs to high-risk media, and its emergency shut-off valve needs to have explosion-proof, high pressure resistance, fast response (usually required to close in ≤ 1 second), and low temperature adaptability (liquid ammonia atmospheric boiling point -33.3 ℃). Although NOOK has accumulated experience in the field of industrial valves, the following professional brands are more recommended for liquid ammonia working conditions: Fisher Fisher, a brand under Emerson in the United States, specializes in precision control valves and safety valves. Its liquid ammonia shut-off valve has SIL certification and low temperature resistance design. GAYL from Germany specializes in high-pressure and low-temperature valves, and its products comply with the ISO 15848 anti chain rise leakage standard. • Flowserve USA: With abundant cases in
3. Selection key parameters: If you need to evaluate the emergency shut-off valve for liquid ammonia, priority attention should be paid to: • Certification standards: SIL 2/SIL 3 safety level, ATEX/explosion-proof certification • Material: The valve body usually needs stainless steel 316L or low-temperature carbon steel, and the sealing material is PTFE or graphite • Closing time: usually requires ≤ 1 second, and some working conditions require ≤ 0.5 seconds • Drive method: Liquid ammonia valves are mostly driven by pneumatic or hydraulic quick drive. Note: Currently, the specific performance data of NOOK liquid ammonia valves is not clear in public information. It is recommended to directly contact their official technical department to obtain the latest product manual (2024 data). The sentence is:.
2. Diagram and detailed steps of a simple liquid ammonia absorption device
The core of a simple liquid ammonia absorption device is to achieve efficient mass transfer through gas-liquid countercurrent contact, and its operation must strictly follow safety regulations.
. 1. The simple liquid ammonia absorption device, which is mainly composed of an absorption tower, a gas supply section, a liquid supply section, and monitoring instruments, is the main component of the installation of the fighter slide. The absorption tower is the core, which is equipped with nozzles, fillers, and grates inside; The gas supply section includes ammonia cylinders, buffer transport tanks, flow meters, and regulating valves; The liquid supply part mainly includes liquid seals and flow control devices; Other key components include thermome