VPIL PI2 8221 MT5+ Key-in-Knob Cylinder
The VPIL PI2 8221 MT5+ Cylinder is a high-security key-in-knob (KNK) solution designed for commercial locksets operating within the Victorian Power Industry Locks® (VPIL) system. Built on the advanced MT5+ restricted keying platform, it delivers patented key control and is ideal for installations requiring structured master keying.
Features
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Key-in-knob (KNK) cylinder designed for commercial lockset applications
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Compatible with Lockwood MT5+ restricted keying systems
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Triple mechanism security for enhanced protection:
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Alpha spring for active key control
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Telescopic pin for increased pick resistance
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Locking bar for layered mechanical security
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Patent-protected MT5+ platform to prevent unauthorised key duplication
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Suitable for master key (MK) system configurations
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Engineered for use within VPIL PI2 compliant environments
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Designed for reliable performance in commercial and infrastructure settings
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Supported by Lockwood’s 25-year mechanical warranty
Available Variants
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MT5+ – Cylinder – SC (8221PI2MT5+SC)
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MT5+ – Cylinder – KA (8221PI2MT5+SCKA)