RECOMPRESSION CHAMBER
RECOMPRESSION CHAMBER
The document details technical diving equipment by Pommec BV, focusing on recompression chambers, wet bell dive systems, and launch and recovery systems. It emphasizes compact design, safety, and compliance with international standards.
This system is designed for compactness and ease of transport, fitting two systems in a high cube 20” container. It complies with IMCA diving standards, minimizing deck space and shipping costs. Key features include a stackable system, hydraulic controls, and a diver cage for two divers. Certified by Lloyd's Register of Shipping and CE.
- Dimensions (stored): 4000 x 2200 x 1300 mm
- Dimensions (operational): 5300 x 2200 x 4270 mm
- Weight: 3250 Kg
- Materials: Offshore coated steel and stainless steel
Designed for compactness and transportability, fitting into a slightly adapted open top container. Compliant with IMCA diving standards and Lloyd’s Rules. Includes a skid base, A-frame handling system, winches, and a wet bell with life support and communication systems.
- Safe working load: Wet bell - 1600 kgs, Bell winch - 1800 kgs
- Main power supply: 15 kW 380 V 50 Hz or 440 V 60 Hz 3-phase
- Dimensions (transport mode): 4.00m x 2.30m x 2.35m, Weight: 8 ton
Includes fail-safe brakes, safety chains, and eyelets. The A-frame has safety stops and hydraulic cylinders for safe operation. Designed to handle strong currents and vessel movements, with guide wire systems for stability and secondary recovery options.
Hydraulic power packs with pressure compensated piston pumps and motors, common oil reservoir, and safety features like high oil temperature cut-out. Electrical control systems are designed for ease of operation and safety, with standard fittings to minimize leakages.
Main bell umbilical and excursion umbilicals are designed for durability and functionality, featuring spiral winding, polypropylene outer braid, and various hoses and cables for communication and power supply.
Includes hexagonal dome features, construction and materials, lifting and guide systems, bell equipment, life support systems, optional features, hydraulic control panel, main and emergency electrical switchboards, specifications container, compressor and control room equipment, diving container features, and recompression chambers.
Features a diameter of 1300mm, manufactured by Pommec BV, located in Hoogerheide, Netherlands.
Designed to remove CO2 from the atmosphere in diving systems or decompression chambers. Features a fan that pulls air through a canister filled with CO2 adsorbent. Two versions available: one with adjustable preset fan speed and another with externally controllable fan speed.
Includes a temperature and humidity sensor with dual displays, user-programmable set points with alarms.
Uses an electro-chemical sensor for measuring oxygen concentration, includes programmable displays and alarms.
Manages oxygen concentration in enclosed compartments, features programmable set points and solenoid valve operation.
Measures oxygen concentration using an electro-chemical sensor, includes high and low set points with alarms.
Uses a paramagnetic sensor for oxygen measurement, offering advantages over conventional sensors.
Uses a dual wavelength infra-red sensor for CO2 measurement, includes programmable set points and alarms.
Uses an electro-chemical sensor for CO measurement, features high and low set points with alarms.
Measures oxygen and carbon dioxide concentrations with adjustable alarms, features a back-lit LCD display.
Portable oxygen monitor with adjustable alarms, uses an electro-chemical sensor, displays readings on a back-lit LCD.
- Oxygen display resolution: 0.1%.
- Microcontroller for calibration and alarm settings.
- Dimensions: Height 120 mm, Width 80 mm, Depth 80 mm.
- Weight: 570 grams.
- Checking gas mixes in cylinders.
- End of line monitoring in surface supply diving equipment.
- Continuous gas sample monitoring.
- Ambient monitoring for oxygen deficiency or enrichment.
- Resolution: 0.1% oxygen.
- Accuracy: 1%.
- Fast response temperature compensated sensor.
- Simple calibration in air.
- Sealed to IP65.
- High and low audio/visual alarms with 0.1% setting resolution.
- Back-light for use in dark conditions.
- Uses NiMH rechargeable batteries with no "memory effect".
- Low battery voltage indication.
- Universal input charger with 90 to 260 VAC input voltage range.
- Can be used hand-held or panel mounted using an optional bezel.
Catalog excerpts
Technical Diving Equipment Recompression Chambers Wet Bell Dive Systems
Open the catalog to page 1
Technical Diving Equipment POMMEC STACKABLE LARS SYSTEM 2 DIVERS POMMEC 2 DIVER STACKABLE LAUNCH AND RECOVERY SYSTEM WITH BASKET This Launch and Recovery System is specifically designed to provide a extreme compact option to the standard launch and recovery systems offered by our competitors. This system is very easily transportable, it's designed to fit 2 complete systems in a high cube 20" container. We realise the necessity to use the least amount of deck space onboard a vessel and ensure that shipping & mobilisation costs are kept to a minimum. The configuration offered in this specification...
Open the catalog to page 2
Technical Diving Equipment • Electronic control box: stainless steel - AISI 316L (IP66) • Hydraulic cylinders: offshore coated steel - FE 510 D, hard chrome rods • Double break man-riding winches, stainless steel - AISI • Diam. 10mm wire for cage, 75 mtr • Diam. 8mm wire for clump weight, 150 mtr • Remote control with 15 mtr cable controlling the; - Cage winch - Clump weight winch • Diving cage: - Stainless Steel AISI 316L - 1250 X 900 X 2300 (LxWxH) Inner dimensions - 2x fairlead mounted in top of the cage, 100 x 100 - Security door • Clump weight: - Stainless steel AISI 316L, Synthetic PE top...
Open the catalog to page 3
Technical Diving Equipment Pommec BV Ampèreweg 6 4631 SP Hoogerheide Netherlands Tel.:+31 (0)164 615490 Fax.:+31 (0)164 613400 E-mail: [email protected]
Open the catalog to page 4
Technical Diving Equipment EASY TRANSPORTABLE POMMEC 2/3 DIVER WETBELL SYSTEM PW0083 WET BELL SYSTEM The PW0083 2/3 Diver Wetbell Launch & Recovery systems are specifically designed to provide a compact option to the standard launch and recovery systems offered by our competitors. This system is very easily transportable because it fits exactly in a (optional) slightly adapted open top container. We realise the necessity to use the least amount of deck space onboard a vessel and ensure that shipping & mobilisation costs are kept to a minimum. A variety of layouts for systems are available and...
Open the catalog to page 5
Technical Diving Equipment Fail safe brake rating: • Bell winch • Guide wire system winch Main power supply Requirement Standby power supply requirement : 2100 kgs continuous : 2750 kgs continuous (two-fold purchase) : 15 kW 380 V 50 Hz or 440 V 60 Hz 3-phase : 11 kW 380 V 50 Hz or 440 V 60 Hz 3-phase Launch & recovery physical data Description of Equipment Length Width Height Weight Wet bell & Skid (transport mode) 4.00m Wet bell & Skid (onboard ship) 4.00m Dive Control Machinery and workshop container 2.30m 2.30m On application On application 2.35m 3.20m 8 ton 8 ton Approx Wetbell Skid & A-frame...
Open the catalog to page 6
Technical Diving Equipment Painting - The framework is shot blasted and painted to a marine grade paint specification. A Jotumastic or Carbomastic heavy duty marine aluminium primer with a polyurethane top coat. Final DFT is 200 microns plus. Main Wire Lift System The wetbell is lifted to and from the working depth using the main wire winch as the primary means. The winch is routed through the A-frame using standard sheave assemblies and is directly connected to the wetbell using a wire socket with castle nut and pin. The Offshore man rider winch specifications are as follows: Minimum lift capability...
Open the catalog to page 7
Technical Diving Equipment Braking Level wind Finish Approximate dimensions : 1. Shaft mounted, non rotating multi disc internal gearbox brake. 2. Dynamic – Hydraulic over-centre valve : Bare drum : Painted steel construction, with marine grade primer and high gloss topcoat. Stainless Steel safety guards are fitted. : Length – 950mm Width – 650mm Height – 890mm Weight – 500kg Umbilical Winch In order to provide automated umbilical control including payout and recovery. The umbilical is controlled by means of an hydraulically powered umbilical sheave. The sheave is typically mounted in an elevated...
Open the catalog to page 8
Technical Diving Equipment Main Bell Umbilical The main bell umbilical is spiral wound with a polypropylene outer braid, and comprises the following: • 100m overall length • 4x ¼” hose (Wetbell & divers depth’s) • 4x 3/8” hose (Diver 1 & 2 gas supply & standby gas) • 1x ¾” hotwater hose • 4x comms cable with twisted pairs • 5x powercable (3x 1.5mm² cores) • 3x videocable • Polyester fibre tension members • Polyethylene monofilament overbraid • Safe working load is 250 kgf • Stainless steel stainless relief Optional; • 1x ¾” Hydraulic hose • 1x 5/8” Hydraulic hose Main Bell umbilical basket •...
Open the catalog to page 9
Technical Diving Equipment acrylic domes except with the benefits of being able to easily replace individual acrylic panes offshore. Should the acrylic panes not be available in an emergency, suitable steel plate can be used still providing a complete wetbell system with very low downtime potential. The diver recovery hoist and diver handles are an integral part of the hexagonal dome to assist divers within the bell. Stainless steel tubular construction – Provides superb wear and corrosion resistance to the harsh marine environment. The base of the bell is mild steel, double dipped galvanised...
Open the catalog to page 10
Technical Diving Equipment Hydraulic Control Panel The hydraulic control panel provides all the hydraulic controls for bell and guide wire weight deployment and umbilical handling. It is positioned on the frame to provide the operator with a clear view of the bell recovery and launch position. Controls are provided for: • • • A-frame luff out and in Main wire in and out Guide wire in and out Pressure gauges are provided for: • Main pump Hydraulic system pressure • Secondary pump hydraulic system pressure Main Electrical Switchboard The main electrical switchboard provides controls for the wet...
Open the catalog to page 11
Technical Diving Equipment Specifications container; - Standard ISO 20" container with CNC plate Divided in 2 compartments (Compressor etc. & Controls) Isolated with 4cm thick sandwich panels Walk in door steel at container end in "controlroom" Window in container wall at "controlroom side" (ca 1,25 x 0,9 mtr) Special hatches for protecting the window during transport and storage Two special connection boxes in container wall for electricity and gas Two stainless steel ventilation grids in container wall at "compressor side"
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