Medical Air Product

Zonal Valve Box Specification for Hospital

1. General Requirements:

• Purpose: To provide a central control point for isolating sections of the medical gas pipeline system in case of emergencies or maintenance.
• Location: To be installed in accessible areas such as corridors, utility rooms, and near nursing stations.

2. Dimensions and Design:

• Dimensions:
  • Height: Variable based on the number of valves (typically 300 mm per valve row)
  • Width: 400 mm
  • Depth: 150 mm
• Design: Wall-mounted with a hinged door and clear front panel for easy visibility and access.
• Material: High-quality, corrosion-resistant stainless steel or powder-coated steel.
• Finish: Smooth finish with antimicrobial coating.

3. Valve Configuration:

• Number of Valves:
  • Configurable based on the specific needs (typically 1 to 6 valves per box).
• Types of Valves:
  • Ball valves or diaphragm valves compatible with medical gas systems.
• Gas Types Supported:
  • Oxygen (O2)
  • Nitrous Oxide (N2O)
  • Medical Air
  • Vacuum (suction)
  • Carbon Dioxide (CO2)
  • Other specialized medical gases as required.

4. Valve Specifications:

• Valve Material: Brass or stainless steel, compliant with ISO 7396-1 standards.
• Operation:
  • Quarter-turn operation for quick isolation.
  • Lockable handles to prevent unauthorized operation.
• Markings:
  • Clear, permanent labeling for each gas type and direction of flow.
  • Color-coded handles or labels per NFPA 99 standards.

5. Panel and Door Features:

• Front Panel:
  • Clear, shatter-resistant acrylic or polycarbonate.
  • Hinged for easy access to valves.
  • Gasketed to prevent dust and contaminants.
• Door Lock:
  • Key lock or tamper-evident seal.
• Emergency Access:
  • Breakable glass panel for emergency access.

6. Pressure Gauges:

• Location: Integrated within the valve box, visible through the front panel.
• Type: Analog pressure gauges for each gas line.
• Range:
  • Oxygen: 0-100 psi
  • Nitrous Oxide: 0-100 psi
  • Medical Air: 0-100 psi
  • Vacuum: 0-30 inHg
  • Carbon Dioxide: 0-100 psi
• Accuracy: ±2% full scale.

7. Compliance and Safety:

• Certifications:
  • CE marked.
  • Compliance with ISO 13485 (Medical Gas Pipeline Systems)..
• Safety Features:
  • Overpressure protection.
  • Clearly labeled emergency instructions.
  • Proper grounding and bonding of metallic parts.

8. Installation and Mounting:

• Mounting: Wall-mounted with included hardware.
• Connections: Standardized inlet and outlet fittings for medical gas pipelines.
• Installation: To be installed by certified technicians.

9. Maintenance and Testing:

• Access: Easy access for maintenance and valve replacement.
• Service Intervals: Annual service recommended, or as per hospital maintenance schedule.

10. Warranty:

• Standard Warranty:  1 year for all components.

Madical air Products is one of the leading manufacturer of Anti-static Non-toxic High pressure tube.