Utmost Flow Control Technology Co., Ltd.
Utmost Flow Control Technology Co., Ltd.

China Oxygen Control Valve

The main difference between the oxygen flow control valve and the ordinary control valve is: one more production process requires oil-free treatment. Generally, carbon tetrachloride cleaning can achieve the purpose of degreasing and oil-free. The flow control valve for oxygen adopts a top-oriented structure and is equipped with a multi-spring actuator. As a control valve factory, UTMOST oxygen flow control valve has the advantages during the use such as compact structure, lightweight, sensitive action, S streamline flow channel, small pressure drop loss, large valve capacity, accurate flow characteristics, and convenient disassembly and assembly. Please feel free to contact our control valve manufacturers in china for more information.

Oxygen Control Valve Datas

Technical Data of Oxygen Control Valve

DN (mm)2025324050
Seat diameter dn(mm)101215201012152025323240324050
KVEqual percentage1.62.546.31.62.546.310161625162540
Stroke L1625
Effective area of diaphragm Ae(cm2)280400
Seat diameter dn(mm)6565806580100125125150150200250
Equal percentage636310063100160250250400400630900
Stroke L4060100
Effective area of diaphragm Ae(cm2)6001001600
PNMPa1.6, 2.5, 4.0, 6.4(6.3)/2.0, 5.0, 11.0
Bar16, 25, 40, 64(63)/20, 50, 110
LbANSI:Class150, Class300, Class600
Flow characteristicsStraight line, equal percentage
Adjustable ratio(R)30, 50
Spring (signal) range Pr(KPa)20~100, 40~200, 80~240, (20~60, 60~100)
Air pressure Ps(MPa)0.14/0.25/0.3
Allowable leakagemetal plug:Ⅳ(10-4×Kv)   soft plug:Ⅵ
Operating temperature (℃)Normal temperature type-20~200, -40~250, -60~250
Cooling typeS-40~350, -60~350
High temperature typeG350~550(Select high temperature materials)
Low temperature typeDD0:-60~-100, D1:-100~-200, D2:-200~-250
Adjust cut typeQ-40~150 (plug reinforced PTFE) (used in special cases)

FAQs of Oxygen Control Valves

  • Q How does an oxygen control valve work?

    An oxygen control valve operates by adjusting the size of the opening through which oxygen passes, thereby controlling the flow rate. This adjustment can be done manually or automatically, depending on the valve's design.

  • Q What are the different types of oxygen control valves?

    • Manual valves: Operated by hand, typically using a knob or lever.

    • Automatic valves: Controlled electronically or pneumatically, often integrated with sensors and control systems for precise regulation.

    • Proportional valves: Adjust the flow rate based on input signals, providing a continuous range of control.

  • Q Where are oxygen control valves used?

    • Medical facilities: For supplying oxygen to patients through ventilators and oxygen therapy systems.

    • Industrial applications: In processes such as metal cutting and welding.

    • Laboratories: For various experimental and research purposes.

  • Q What factors should be considered when selecting an oxygen control valve?

    • Flow rate requirements: Ensure the valve can handle the maximum and minimum flow rates needed.

    • Pressure rating: Match the valve's pressure rating with the system's requirements.

    • Material compatibility: The valve material should be compatible with oxygen to prevent reactions and ensure safety.

    • Type of control: Decide between manual, automatic, or proportional control based on the application needs.

  • Q How do you maintain an oxygen control valve?

    • Regular inspection: Check for wear and tear, and ensure all parts are functioning properly.

    • Cleaning: Keep the valve clean to prevent contamination and blockages.

    • Calibration: Periodically calibrate automatic and proportional valves to ensure accurate control.

  • Q What safety precautions should be taken with oxygen control valves?

    • Avoid oil and grease: These can react with oxygen and pose a fire hazard.

    • Proper installation: Ensure the valve is installed correctly according to the manufacturer's instructions.

    • Pressure regulation: Use appropriate pressure regulators to avoid over-pressurization.

  • Q What are common problems with oxygen control valves and how can they be resolved?

    • Leakage: Check and replace seals or gaskets as needed.

    • Blockages: Clean the valve to remove any debris or contaminants.

    • Inaccurate flow: Recalibrate or repair the valve to restore proper function.

  • Q How can I tell if my oxygen control valve needs to be replaced?

    • Consistent leakage: Indicates wear that cannot be repaired.

    • Inconsistent flow control: Suggests internal damage or malfunction.

    • Physical damage: Cracks or corrosion that compromise the valve's integrity.

Get to Know about UTMOST Industrial Valves Company
Get to Know about UTMOST Industrial Valves Company
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