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Hybrid Type Semiautomatic Medical Gas Manifold
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Hi, I have a doubt about Deward Type Semi Automatic Medical Gas Manifold
Description
Medical Gas Semiautomatic Manifold Hybrid type, primary header with oxygen deward cylinders and secondary header with oxygen gas high pressure cylinders, first cylinder header change in automatic mode by pressure difference, subsequent header changes in manual mode, all switchover designation by main supply cylinder header selector lever, complies with NFPA99 and ASTM B819 (clean for oxygen use).
Mounting Plate:
- In door use only
- Carbon steel sheet 18 gauge made, powder coating finish.
- Availabel in stainless steel sheet 18 gauge (upon request).
Control System:
- PCB electronic system with high bright LEDs visual indicators for manifold operating modes.
- Backflow valves (checks) between cylinder headers to pressure diffrerential control.
- High pressure 4-20Map transducers to primary and secondary cylinder headers.
Visual Signals:
- USE-READY-EMPTY condition with high bright LEDs visual indicators for each cylinder header (primary and secondary).
Pressure Primary Harder:
- Deward Minimum: 230 PSI
- Deward Maximum: 500 PSI
Pressure Secondary Header:
- Oxygen Gas working prerssure: 3,000 PSI
Bypass System:
- 2 Low pressure final line regulators with stainless steel ball valves manual isolation (one regulator in use and the other in backup).
Overpressure and Vent Valve:
- Low pressure stage relief valve located before manifold outlet to protect the main pipe medical gas source.
Communications:
- 1 Output port relay type connection to medical gas master panel, notify cylinders headers switchover.
Emergency Ports:
- Located in the low pressure stage before the outlet of the supply unit (manifold) coupling with DISS DEMAND OXYGEN inlet.
- Coupling with CGA 540 inlet for an alternative source at low pressure 50-55 PSI.
Pressure Gauges:
- High and low pressure analog type.
Warning:- Do not use Oil and its Derivatives.
- Operation and maintenance personnel must be certified for the manifold safe operation.
- Quality and Medical Gases Purity Degree, as well condition of containers, cylinders and their connections will be always responsibility of the medical gases supplier.
- Deward cylinder evaporators must work properly in the event of an oxygen over demand to avoid freezing of the manifold due to inefficient liquid evaporation.
- An external vaporizer with sufficient capacity for consumer demand should be used in case that Deward cylinder evaporators will be insufficient.
Specifications
Flow Delivery:- Standard Flow Delivery of 65 Scf/min.
- For larger deliveries, consult the factory in advance.
- Modular Assembly.
- Red brass tube special extrusion SPS alloy 23000, H58 Drawn temper made, complies with ASTM B-43-98, ASTM B-819 (Clean for oxygen use) 3,000 PSI working pressure.
- CGA connection points for each cylinder with self-closing non-return valves (check) brass made.
- Manual master valve to opening and closing control of the primary and secondary cylinder headers.
- Relief valve only in the main header (Deward type cylinders).
- High Pressure Oxygen Gas: Flexible type of Copper tube CGA 540 connection.
- Cryogenic: Flexible rubber hose, CGA 540 connection.
- CGA540 Medical Oxygen.
- 100-220 V 50-60 Htz. power supply.
- Belden STP (Shield Twisted Pair) #8461ZH or #8208.
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