The heat-conducting oil bellows globe valve is specifically designed for high-temperature heat-conducting oil systems.
○ Nominal diameter: DN15-DN400mm
○ Nominal pressure: PN16-PN64 (corresponding to Class 150 – Class 300)
○ Applicable medium: synthetic heat transfer oil, Dowtherm A, Therminol VP-1, mineral-based heat transfer oil
○ Operating temperature: ≤ 450°C; high-temperature version can reach 540°C
○ Connection method: flange
○ Valve body material: WCB, stainless steel
○ Valve stem material: stainless steel, alloy steel
○ Bellows material: stainless steel, alloy steel, special steel
○ Sealing form: full metal bellows seal + high temperature flexible graphite packing (double zero external leakage)
○ Operating mode: handwheel, bevel gear, pneumatic, electric
○ Medium flow direction: low inlet, high outlet
○ Design standard: API 602 / BS 5352 / ASME B16.34
○ Test standards: Shell test at 1.5×PN, seal test at 1.1×PN (as per API 598)
○ Specifically designed for heat transfer oil media, it can withstand high temperatures up to 400℃ for long-term operation.
○ The fully sealed structure of the corrugated tube effectively prevents the leakage and oxidation of heat transfer oil.
○ The valve body's flow passage is smooth and unobstructed, reducing pressure drop and preventing carbon buildup in the medium.
○ Made of high-quality alloy material, it exhibits excellent resistance to thermal fatigue and oxidation.
○ It is flexible in opening and closing and reliable in sealing, suitable for frequent operation and high-temperature conditions.
○ Pipe truncation and adjustment for heat transfer oil heating system in chemical fiber textile industry.
○ Key control points of the heat transfer oil circulation heating pipeline in the asphalt mixing plant.
○ Used in the high-temperature heat transfer oil conveying and distribution pipe network of the printing and dyeing setting machine.
○ Heat transfer oil process circuit for biomass pyrolysis or waste oil regeneration equipment.
○ Inlet and outlet valves of the heat transfer oil heating system for the jacket of the chemical reaction kettle.
The high-temperature and high-pressure self-sealing bellows gate valve adopts a dual sealing design featuring a self-tight sealing structure and a metal bellows
Forged steel bellows globe valves are made of high-quality forged steel, featuring high strength and excellent pressure and temperature resistance.
The bellows globe valve for natural gas utilizes a metal bellows sealing structure to prevent external leakage, making it suitable for gas pipeline systems.