Commercial diving compressor Mark III Silent TPS

three-stagebreathing airgear

Prime Line silenced high-pressure breathing air compressor designed for breathing air production with low noise levels and robust serviceability. Ideal for industrial and professional use where certified breathing air and quiet operation are required.

3-stage high pressure pumping unit - Main features

• Aluminum monoblock
• Forced lubrication with low-pressure gear pump
• Suction filter: 10 µm
• Pipes, fittings and nuts made of AISI 316 stainless steel
• Intermediate condensate separator after the second stage
• Double-acting high-pressure final condensate separators
• Safety valves after each compression stage
• High heat-dispersion die-cast aluminum cylinders with nicasil barrel coating
• Forged aluminum connecting rods
• Forged steel crankshaft
• Stainless steel second and third stage valves
• Heavy-duty roller bearings
• Hardened steel third stage with 5 segments made of special cast iron
• Second and third stages with thrust pads to eliminate lateral forces on the pistons
• Hyperfilter filter system

Electric motor

• Single-phase or three-phase electric motor available on this model, rated from 5.5 to 7.5 kW

Hyperfilter purification system

• Placed after the last compressor separator and before the pressure maintenance valve
• Two cartridges in series: first cartridge with molecular sieve for moisture removal; second cartridge with molecular sieve plus activated carbon for oil vapor and contaminant removal
• Separator between 2nd and 3rd stages to maximize moisture extraction
• Filtering capacity (inlet air at 20°C and 200 bar): 3,050 m³
• Provides treatment of breathing air according to DIN EN 12021 when using original filter cartridges

Electrical cabinet

• ON/OFF switch with motor protection switch
• Electromechanical pressure switch that stops the compressor at the final pressure
• Drainage of all separators between individual stages and of the final separator during compressor operation
• Timer for automatic condensate drainage device
• Integrated no-load startup (automatic discharge each time the unit is turned off)
• Condensate collection tank (5 liters) with silencer; usable capacity about 3 liters for environmentally friendly disposal
• Interstage pressure gauges to display operating pressure for individual compression stages (useful for valve tightness checks and diagnostics)

Frame

• Silenced cab chassis designed and built for easy maintenance operations
• Tilting motor carrier plate ensures constant V-belt tension
• External oil level and drain
• Control console equipped with inter-stage gauges and internal temperature indicator
• Alarms and protections: presence and wrong phase sequence alarm, oil shortage alarm, run stop and manual condensate drain controls
• Made of steel with scratch-resistant powder coating in Black RAL 9005

Standard Equipment

• 2 Cylinder connections (choice of DIN 232, DIN 300 or INT/YOKE 232 bar)
• 2 Filling hoses 1.2 m long
• Pressure holding valve
• Interstage control manometers
• Dual PED-certified Hyperfilter filter system
• Inside cabin temperature with automatic shutdown
• Automatic condensate drain
• Automatic rotation direction control
• Electronic pressure switch with automatic shutdown
• Oil level control with automatic shutdown
• Oil pump with filter and pressure gauge
• Automatic condensate drain with conveying system into the canister
• Frame color: Black RAL 9005

Compatible accessories (selection)

• Hyperfilter cartridges and units (dual Hyperfilter configuration)
• C-monitor
• Remote charging panels (single and double pressure)
• Remote refill panels with lever taps
• CO SafeGuard – Carbon Monoxide Analyzer
• Multigas Analysis System CO + CO2 + H2O
• Various fill hoses and cylinder connections/adapters

Purification System - Hyperfilter (summary)

• High-capacity purification for breathing air production
• Two cartridges in series (molecular sieve for moisture, molecular sieve + activated carbon for oil vapors)
• Designed for high volumes of breathing air and maximum reliability

Characteristics / technical specifications

• Model line: Prime Line (silenced)
• Pumping unit: 3-stage high-pressure unit, aluminium monoblock
• Lubrication: forced lubrication with low-pressure gear pump; oil pump with filter and pressure gauge
• Suction filter: 10 µm
• Materials: AISI 316 stainless steel piping/fittings/nuts; die-cast aluminium cylinders with nicasil coating; forged aluminium connecting rods; forged steel crankshaft; stainless steel valves (2nd & 3rd stages)
• Bearings: heavy-duty roller bearings
• Third stage: hardened steel with 5 segments (special cast iron)
• Condensate management: intermediate separator after 2nd stage, double-acting final separators, automatic condensate drain (with conveying to canister), condensate collection tank ~3 L usable
• Safety: safety valves after each compression stage; electronic pressure switch with automatic shutdown; oil level control with automatic shutdown; rotation direction control
• Motor: single-phase or three-phase electric motor available, 5.5–7.5 kW
• Hyperfilter filtering capacity: 3,050 m³ (inlet air 20°C, 200 bar)
• Standards: breathing air treatment compliant with DIN EN 12021 when using original filter cartridges
• Frame: silenced cab chassis, powder coated Black RAL 9005
• Brand: Coltri Compressors