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Vecsafe

Product catalog summary

Overview: The VECSAFETM system is designed to monitor oxygen and pressure levels in the Vapour Emission Control System (VECS) during loading operations. It ensures compliance with USCG and IMO regulations by detecting over or under pressurization and oxygen levels approaching 8% volume.

System Components: The system includes a deck-mounted enclosure with an intrinsically safe oxygen sensor, a pressure sensor, sample pipework, selector switches, and signal communications. The control and alarm panel, typically located in the cargo control room (CCR), displays oxygen and pressure readings and can trigger local audio and visual alarms. Optional repeater panels are available for additional locations such as the wheelhouse and engine control room.

Compliance and Features: The system complies with USCG 46 CFR Ch 1 39.40-3. It is noted for its simple installation, reliability, cost-effectiveness, and suitability for both new and retrofit vessels.

Specifications:

Power Supply: 110/230V AC 50/60Hz; Sensor network operating voltage: 24V DC supplied by the control unit.
Indicators: Power (Green LED), Alarm (Red LED), Fault (Amber LED), Display (Four-line alphanumeric).
Sensor Type/Inputs: Electrochemical (Oxygen).
Outputs: 16 user-selectable relays, with specific relays pre-set for common alarms and faults.
Pressure Range: -1000 to +3000 mmWg.
Material: Stainless Steel; Connection Thread: 1/2 inch BSP parallel.
Signal Output: 4~20mA, 2-wire system; Accuracy: ≥ 0.5% of span.
Operating Temperature: -30 to +150ºC.
Ex Protection: ATEX categories M1, M2, 1G, 1D, 1/2G, 1/2D, 2G, 2D.
Sensor Cable: 4-core 1.5mm2 (min) screened and armoured, with marine-approved cable type.
Environmental: Metal control unit (standard) – IP65; Operating temperature: -40 to +50ºC; Humidity: 0 to 95% RH.
Miscellaneous: Enclosure cable entry typically via M20 glands; Alarm relays automatically inhibit during service periods.

Contact Information: Martek Marine Ltd, Adwick Park, Manvers, Rotherham, South Yorkshire, S63 5AB, UK. Tel: +44 (0) 1709 599 222, Fax: +44 (0) 1709 871 873, Email: [email protected], Website: www.martek-marine.com

Catalog excerpts

VECSAFE Vapour Emission Control System (VECS) Oxygen and Pressure Monitoring System VECSAFETM monitors oxygen and pressure levels in the Vapour Emission Control System (VECS). Each vapour line is monitored during loading operations for any over or under pressurization or an oxygen level approaching 8% volume in compliance with USCG and IMO legislation. The system comprises of a deck-mounted enclosure containing an intrinsically safe oxygen sensor and pressure sensor and associated sample pipe work, selector switches and signal communications. The control and alarm panel is normally mounted in the cargo control room (CCR) and provides an alphanumeric display of the oxygen level and pressure reading at each point. Local audio and visual alarms can be initiated from the control panel and repeater panels are optionally available for wheelhouse and engine control room annunciation. Complies with USCG 46 CFR Ch 1 39.40-3 Simple installation Reliable and proven technology Large reference list for new and retrofit vessels Cost effective system to buy and maintain

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