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Medical Gas Semiautomatic Manifold
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Description
Medical Gas semi-automatic type manifold indoor use only.
- Complies with NFPA99 standard.
- Complies with ASTM B819 code (oxygen-clean).
- Initial bank exchange is automatic, triggered by pressure differential and designated main/secondary bank; subsequent exchanges are manual using the selector lever.
- Operation and maintenance personnel must be certified to ensure safe use.
- The supplier is always responsible for the quality and purity grade of medical gases as well as the condition of containers and connections.
- Do not use oil or oil-based substances.
Specifications
🧱 Mounting Plate
- Exclusive indoor use.
- Made from galvanized carbon steel sheet, 18-gauge, with electrostatic paint finish.
- Made from stainless steel sheet, 18-gauge.
⚙️ Control System
- Operated by an electronic PCB system with high-brightness LED visual indicators for manifold operation status.
- Check valves to manage pressure differential between cylinder banks.
- High-pressure 4–20 mA transducers for primary and secondary banks.
📊 Visual Signals
- Indicates USE–READY–EMPTY status for each cylinder bank (primary and secondary).
🚨 Alarm Signals
- Located at the relay output port to signal bank exchange.
🔁 Bypass System
- Two final line regulators for low pressure
- Manual isolation via stainless steel ball valves
- Configuration: one in use, one in reserve
🔒 Overpressure and Venting System
- Interconnected relief valve circuit
- Venting oriented outside the cabinet
🆘 Emergency Inlets
- Located downstream of the final line regulators
- Low-pressure only
- DISS CGA V-5 coupling, compatible with the medical gas in use
📈 Pressure Gauges
- Analog type, for both high and low pressure stages
🔗 Communication Systems
- 1 relay connection port for alarm signal output and link to the master signal panel indicating bank exchange.
🌬️ Flow Delivery
- Standard flow rate of 65 SCF/min
- For higher requirements, prior consultation with the factory is recommended
🧱 Cylinder Headers
- Modular assembly design
- Made of red brass tubing with special extrusion, SPS alloy 23000, temper H58 Drawn
- Complies with ASTM B-43-98 and ASTM B-819 standards (oxygen-clean)
- Working pressure: 3,000 PSI
- Connection valves type CGA, brass, with automatic check valves
- Manual master valve for opening/closing control of primary and secondary banks
- Natural brass finish (installer or user may paint or coat as desired)
🔗 Cylinder Pigtails
- Oxygen: Flexible copper tube, CGA 540 connection
- Other non-corrosive gases: Flexible PTFE hose with stainless steel mesh cover and life line, CGA-specific connection per gas
🧪 Gas Compatibility
System available exclusively for high-pressure gas cylinders, compatible with the following gases:| Medical Gas | State | CGA Connection |
|---|---|---|
| Medical Oxygen | Gaseous | CGA 540 |
| Medical Air | Gaseous | CGA 346 |
| Nitrous Oxide | Gaseous | CGA 326 |
| Nitrogen | Gaseous | CGA 580 |
| Carbon Dioxide | Gaseous | CGA 320 |
| Helium | Gaseous | CGA 580 |
| Argon | Gaseous | CGA 580 |
⚡ Electrical Requirements
- Power supply: 100–220 V, 50–60 Hz
🔌 Network Wire Type
- Recommended wire: Belden STP (shielded twisted pair)
- Models: #8461ZH or #8208
⚠️ Conditions Affecting Operation
Avoid the following conditions to ensure proper equipment performance:- Voltage fluctuations in electrical supply
- Use of emergency generators as primary source
- Unstable or intermittent power supply
- Frequent power losses followed by repeated activation of emergency power
🛠️ Installation Recommendations
- Verify proper physical grounding of the equipment
- Install electrical backup system (No-Break) to avoid interruptions
- Install surge protectors to guard against voltage spikes and surges
📘 Installation, Operation, and Maintenance Manual
The manual is protected and available exclusively for equipment of our brand. To request it, the user must email the required information from the manuals and after-sales service section.Brochure
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