Specifications

Standard equipment

  • 2 Cylinder connections to choose from DIN 232, DIN 300 or INT / YOKE 232 bar
  • 2 filling hoses 1.2m long
  • Pressure maintenance valve
  • Interstage control gauges
  • Maxifilter filter system
  • Cabin internal temperature with automatic switch-off
  • Automatic direction of rotation control
  • Pressure switch with automatic shutdown
  • Oil level control with automatic shutdown
  • Automatic condensate drain with conveyor system in the tank
  • Frame color Blue RAL 5015

Motor

Mark III Silent 235 ET Mark III Silent 270 EM Mark III Silent 315 ET
Three-phase electric

4 kW – 5.5 Hp

2,850 engine revolutions (RPM)
230/400 V
50 Hz
16.8 / 9.7 A

3,420 engine revolutions (RPM)
230/400 V
60 Hz
16.8 / 9.7 A

3,420 engine revolutions (RPM)
440/480 V
60 Hz
9.7 A

 Single-phase electric

5.5 kW – 7.5 Hp

2,850 engine revolutions (RPM)
230 V
50 Hz
25.2 A

3,450 engine revolutions (RPM)
230 V
60 Hz
25.2 A

 Three-phase electric

5.5 kW – 7.5 Hp

2,840 engine revolutions (RPM)
230/400 V
50 Hz
21.8 / 12.6 A

3,410 engine revolutions (RPM)
230/400 V
60 Hz
21.8 / 12.6 A

3,410 engine revolutions (RPM)
440/480 V
60 Hz
12.6 A

Pumping group

Mark III Silent 235 ET Mark III Silent 270 EM Mark III Silent 315 ET
Range:
235 l / min
14.1 m³ / h
8.3 CFM (ft³ / min)Number of laps:
1,240 RPM		 Range:
270 l / min
16.2 m³ / h
9.5 CFM (ft³ / min)Number of laps:
1,600 RPM		 Range:
315 l / min
18.9 m³ / h
11.1 CFM (ft³ / min)Number of laps:
1,600 RPM

Operating pressure

Mark III Silent 235 ET Mark III Silent 270 EM Mark III Silent 315 ET
From 232 to 420 bar

3,300 to 6,100 PSI

 232 bar

3,300 PSI

 From 232 to 420 bar

3,300 to 6,100 PSI

Charging time

Mark III Silent 235 ET Mark III Silent 270 EM Mark III Silent 315 ET
8.30 minutes

(10 l tank empty
at 0-200 bar)

 6.40 minutes

(10 l tank empty
at 0-200 bar)

 6.20 minutes

(10 l tank empty
at 0-200 bar)

Noisiness

Mark III Silent 235 ET Mark III Silent 270 EM Mark III Silent 315 ET
86 dB (Lwa guaranteed)

83 dB (Lwa measured)

63 dB (Lpa measured)

 88 dB (Lwa guaranteed)

85 dB (Lwa measured)

65 dB (Lpa measured)

 88 dB (Lwa guaranteed)

85 dB (Lwa measured)

65 dB (Lpa measured)

Dry weight

Mark III Silent 235 ET Mark III Silent 270 EM Mark III Silent 315 ET
162 kg / 357 lb 168 kg / 370 lb 168 kg / 370 lb

Dimensions

Mark III Silent 235 ET Mark III Silent 270 EM Mark III Silent 315 ET
103 x 73 x 91 cm (W x D x H)

40.5 “x 28.7” x 35.8 “(W x D x H)

 103 x 73 x 91 cm (W x D x H)

40.5 “x 28.7” x 35.8 “(W x D x H)

 103 x 73 x 91 cm (W x D x H)

40.5 “x 28.7” x 35.8 “(W x D x H)

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Optional

C-Monitor

Final filter monitoring system, oil change and technical interface.

Remote Charging Panel – Single press

Remote charging panel. Available with 4 connections to choose between QR DIN 232 bar, QR DIN 300 bar or QR INT / YOKE.

Included in the product:

  • 4 cylinder connections
  • 1 Manometer
  • 4 HP filling hoses 1.20 m – 3.9 ft
  • 1 HP hose 3 m – 9.8 ft

Remote Charging Panel – Double Press

Remote charging panel. Available with 2 QR DIN 232 bar connections and 2 QR DIN 300 bar connections.

Included in the product:

  • 4 cylinder connections
  • 1 Manometer
  • 4 HP filling hoses 1.20 m – 3.9 ft
  • 1 HP hose 3 m – 9.8 ft

Filling connections

SAM Multigas Analysis System

The Coltri Multigas Analysis System is a measuring instrument capable of monitoring air quality. Its application includes continuous monitoring of environmental gases, hyperbaric chambers, safety, medical, air quality.