About cryogenic globe valve DJ 10PA PB PC
Nominal Pressure:4.0Mpa
Design Temperature: -196-Suitable Media: LNG, LO2, LN2, LAr, CO2
Materials of Main Parts:
Body: HPb59-1
Stem: HPb59-1
Handwheel: ZL102
Disc Seals: PCTFE
Extended Bonnet and Reliable SealingThe valve is equipped with an extended bonnet, providing optimal insulation for cryogenic service and ensuring operator safety. The PTFE or metal seat options paired with special cryogenic packing guarantee enhanced sealing integrity and minimized leakage, even under demanding low-temperature operations.
Versatile End Connections and Seat TypesAvailable in butt weld, socket weld, and flanged variants, the DJ 10PA PB PC accommodates diverse installation requirements. Choices of PTFE or metal seat materials allow users to select the best combination for their application, balancing chemical compatibility, durability, and sealing performance.
Certified Performance and Quality StandardsManufactured in accordance with BS 6364 and ASME B16.34, each valve is subjected to rigorous body test pressures at 1.5 times the rated value, ensuring reliability. The polished surface finish and low-noise operation exemplify the attention to both durability and practicality demanded by cryogenic applications.
FAQs of cryogenic globe valve DJ 10PA PB PC:
Q: How does the DJ 10PA PB PC Cryogenic Globe Valve maintain leak-tight performance at extremely low temperatures?
A: This valve incorporates special cryogenic packing and PTFE/metal seating, engineered for optimal seal tightness and low-leakage (ANSI Class VI), even at temperatures as low as -196C.
Q: What installation options are available for this cryogenic globe valve?
A: End connection choices include butt weld, socket weld, and flanged types, ensuring compatibility with a wide range of piping systems in industrial cryogenic applications.
Q: When should I consider using the DJ 10PA PB PC valve with a manual versus gear operated handwheel?
A: Manual operation is suitable for standard sizes and infrequent actuation, while gear operation is advantageous for larger valves or applications requiring smoother, easier handling under higher pressure or torque conditions.
Q: Where can this globe valve be used effectively?
A: The DJ 10PA PB PC valve is ideal for use in applications involving liquefied gases, including LNG, liquid nitrogen, oxygen, argon, and CO2commonly found in energy, chemical, and industrial gas sectors.
Q: What is the process for ensuring valve quality and reliability before shipment?
A: Each valve undergoes testing at 1.5 times its rated body pressure, according to BS 6364 and ASME B16.34 standards, guaranteeing safety and performance under demanding operating conditions.
Q: How does the extended bonnet design benefit cryogenic service?
A: The extended bonnet allows safe operation by insulating the actuator from extremely cold temperatures, reducing the risk of icing and ensuring long-term reliability in cryogenic environments.
Q: What are the main advantages of using the DJ 10PA PB PC Cryogenic Globe Valve?
A: Key benefits include robust performance in low-temperature environments, minimal leakage, versatile installation options, compliance with strict international standards, and durable stainless or forged steel construction.