GD Engineering

BandLock 2 Closures Bandlock 2 Closures provide horizontal or vertical access to any pressure vessel in seconds. Compared with other quick-opening closures they can be operated safely at remarkable speed – any size of unit can be opened or closed in less than a minute, with no special tools required.
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Hi-T Pigalert

The Hi-T Pigalert™ is made in three pressure classifications – up to ANSI Class 600, and for ANSI Class 900 and 1500.


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Rotalock The Rotalock™ Closure is designed in accordance with ASME VIII Div. 1. ASME Code Stamp with U-2A partial data report can be furnished as anoption. Code stamping verifies shop inspection of the closure and materials by an ASME Authorised Inspector.
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Hi-T MAGAlert The Hi-T MAGAlert is a robust non-intrusive magnetic pig signaller used to detect, signal and log the passage of magnetic pigs at critical points along a pipeline. The Hi-T MAGAlert can be used for both offshore and onshore installations
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Non-Intrusive Pig Signaller Devices Introduced to complement GD Intrusive Hi-T Pigalert models, we also offer a range of innovative Non-Intrusive Pig Signallers for both permanent and portable installations
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