The Penlon Nuffield 200 Ventilator has earned a long‑standing reputation for being a compact, powerful, and exceptionally reliable anaesthesia ventilator. Designed primarily for use with a Bain Co‑Axial Circuit, it offers outstanding versatility and performance across a wide range of clinical applications.
Equally suitable for Ayre’s T‑Piece circuits, resuscitation, High‑Frequency Positive Pressure Ventilation (HFPPV) using a bronchoscope injector, and closed‑circuit systems incorporating a CO₂ absorber, the Nuffield 200 is a practical and adaptable choice for veterinary anaesthesia.
Powered by medical air or oxygen at 340–410 kPa, this pneumatically driven, time‑cycled ventilator provides preset volume and flow rate options for both small and large animals. When fitted with a Newton Valve, the ventilator’s range extends even further, enabling safe ventilation of very small patients—an impressive capability for such a compact and cost‑effective unit.
The Nuffield 200 offers four simple controls that allow infinite variability of I:E ratios, constant inspiratory flow, and flexible settings to suit a wide range of clinical scenarios. A suitable ventilator alarm and pollution control system can be added if required.
Important: The Penlon Series 200 requires a higher drive pressure and cannot be used with an oxygen concentrator due to insufficient output pressure.
Key Features
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Compact, robust, and easy to use
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Suitable for:
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Bain Co‑Axial Circuit
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Ayre’s T‑Piece Circuit
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Circle System with CO₂ absorber
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Resuscitation
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HFPPV (with bronchoscope injector)
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Pneumatically driven, time‑cycled ventilator
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Preset volume and flow rates for adult and paediatric patients
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Extended small‑animal capability with Newton Valve
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Standard Schrader probe oxygen hose fitting
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Optional MRI‑compatible version available
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Main unit and valves can be sold separately
Specifications
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Dimensions: 270 × 210 × 100 mm
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Weight: 3.5 kg
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Drive Gas: Medical air or oxygen at 340–410 kPa
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Tidal Volume:
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10–300 ml (Newton Valve)
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50–2000 ml (Standard Valve)
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Frequency:
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10–85 cycles/min
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60–125 cycles/min (HFPPV)
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Inspiratory Flow: 0.25–1.0 L/sec (continuously variable)
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I:E Ratio: Continuously variable
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Gas Consumption: Minute volume + 0.1 L/cycle
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Minute Volume: 1.0–30.0 L
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Inspiratory Time: 0.2–2.0 sec
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Expiratory Time: 0.5–4.0 sec
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Pressure Relief: 60 cmH₂O
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Expiratory Resistance: 2.5 cmH₂O/L
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Respiratory Manometer: –20 to +100 cmH₂O with zero adjust
What We Need to Know When You Order
What fitting do you require to mount the ventilator?
Pole Mount supplied as standard.
What length oxygen hose do you need?
Standard length is 1 m
(Please note: these extras are not included in the standard price.)






















