The Lockwood 223D Detention Series plate set is engineered for environments requiring safety, privacy, and controlled accessibility. Designed with anti-ligature principles and compatible with Lockwood commercial mortice locks, this plate range offers reliable operation for healthcare, correctional, and secure facilities. The visible-fix design provides strength while maintaining a clean profile suited for modern institutional spaces.
Key Features
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Anti-ligature plate design for enhanced safety
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Compatible with Lockwood 3770, 3570, and 3579 Series Mortice Locks
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Clutching mechanism on turns allows cylinder override even when knob is held
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Covers fixing holes from existing 212 Series Artefact Plates
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Durable construction suitable for high-security environments
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Available with levers or knobs, standard or selector versions
Available Options
1. Privacy Indicator Turn
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Privacy Indicator Turn – 23 Lever – LH – NNN – No Clutch – No Tailbar
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Privacy Indicator Turn – 23 Lever – RH – NNN – No Clutch – No Tailbar
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Privacy Indicator Turn – 21 Knob – LH
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Privacy Indicator Turn – 21 Knob – RH
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Privacy Indicator Turn – 22 Knob – LH
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Privacy Indicator Turn – 22 Knob – RH
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Privacy Indicator Turn – 23 Lever – LH
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Privacy Indicator Turn – 23 Lever – RH
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Privacy Indicator Turn – LH
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Privacy Indicator Turn – RH
Selector Versions
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Privacy Indicator Turn – 23 Lever – Selector – LH
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Privacy Indicator Turn – 23 Lever – Selector – RH
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Privacy Indicator Turn – Selector – LH
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Privacy Indicator Turn – Selector – RH
2. Privacy Indicator Emergency Turn
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Privacy Indicator Emergency Turn – 23 Lever – LH – NNN – No Cyl – No Tailbar
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Privacy Indicator Emergency Turn – 23 Lever – RH – NNN – No Cyl – No Tailbar
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Privacy Indicator Emergency Turn – 21 Knob
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Privacy Indicator Emergency Turn – 22 Knob
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Privacy Indicator Emergency Turn – 23 Lever – LH
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Privacy Indicator Emergency Turn – 23 Lever – RH
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Privacy Indicator Emergency Turn
Selector Versions
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Privacy Indicator Emergency Turn – 23 Lever – Selector – LH
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Privacy Indicator Emergency Turn – 23 Lever – Selector – RH
3. Visible Fix Plate (Standard)
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Visible Fix Plate
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Visible Fix Plate – 21 Knob
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Visible Fix Plate – 22 Knob
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Visible Fix Plate – 23 Lever – LH
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Visible Fix Plate – 23 Lever – RH
4. Fixed Knob / Lever – Visible Fix Plate
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Fixed Knob – Det Plate
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Fixed 23 Lever – Visible Fix Plate – LH
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Fixed 23 Lever – Visible Fix Plate – RH
5. Cylinder Hole – Visible Fix Plate
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Cylinder Hole – Visible Fix Plate
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Cylinder Hole – 21 Knob – Visible Fix Plate
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Cylinder Hole – 22 Knob – Visible Fix Plate
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Cylinder Hole – 23 Lever – LH – Visible Fix Plate
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Cylinder Hole – 23 Lever – RH – Visible Fix Plate
6. Fixed Knob / Lever – Cylinder Hole – Visible Fix Plate
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Fixed 21 Knob – Cylinder Hole – Visible Fix Plate
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Fixed 22 Knob – Cylinder Hole – Visible Fix Plate
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Fixed 23 Lever – LH – Cylinder Hole – Visible Fix Plate
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Fixed 23 Lever – RH – Cylinder Hole – Visible Fix Plate
7. LED Versions
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LED – 21 Knob – Cylinder Hole – Visible Fix Plate
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LED – 23 Lever – LH – Cylinder Hole – Visible Fix Plate
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LED – 23 Lever – RH – Cylinder Hole – Visible Fix Plate
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LED – 22 Lever – LH
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LED – 22 Lever – RH
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LED – 23 Lever – LH
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LED – 23 Lever – RH
8. Emergency Turn – Visible Fix Plate
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Emergency Turn – 21 Knob – Visible Fix Plate – RH
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Emergency Turn – 22 Knob – Visible Fix Plate – LH
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Emergency Turn – 22 Knob – Visible Fix Plate – RH
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Emergency Turn – 23 Lever – LH
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Emergency Turn – 23 Lever – RH
9. Turn (Knob / Lever)
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Turn – 21 Knob – LH
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Turn – 21 Knob – RH
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Turn – 22 Knob – LH
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Turn – 22 Knob – RH
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Turn – 23 Lever – LH
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Turn – 23 Lever – RH
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Turn – LH
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Turn – RH
Selector Versions
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Turn – 21 Knob – Selector – LH
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Turn – 21 Knob – Selector – RH
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Turn – 23 Lever – Selector – LH
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Turn – 23 Lever – Selector – RH
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Turn – Selector – LH
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Turn – Selector – RH
10. Other
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Pull Handle