MCH22 / MCH30 / MCH36 Water Cooled Compressor

This water cooled, four-stage compressor is designed for hot or poorly ventilated areas. It is perfect for engine rooms on liveaboard vessels as well as other boats. It uses seawater or freshwater for cooling and is compatible with air, helium, nitrogen and up to 40% enriched air nitrox. Available in three electric motor models. Maximum operating pressure: 6000 psi (414 bar).

Features

  • Rugged 6000 psi (414 bar) 4-stage block
  • Vertically mounted compressor and motor offers smaller footprint and easier belt tension adjustment
  • 3 x condensate separators
  • Automatic fill pressure stop
  • Automatic drains
  • Cooling after every stage
  • Cools each stage to within 10°F (±5°C) of water temperature
  • Marine grade heat exchangers
  • Zinc anodes to increase life
  • Water flow shutdown switch
  • High water temperature shutdown switch
  • Pressure lubricated oil pump with filter, oil sight gauge and oil pressure gauge
  • NEMA 4X motor control box with soft start or Star Delta start
  • Inter-stage pressure gauges
  • Stainless steel tubing
  • Low oil shutdown switch

Options

  • Upgraded high purity final filtration
  • Compressor frame choices
    - Stainess steel
    - Powder coated steel
    - Marine marine grade aluminum
  • PLC controller
  • 3/4 in flow switch inline paddle type 7-20 L/min (SKU IWDB20)
  • 1 in flow switch inline paddle type 8-50 L/min (SKU IWDB25)

Specifications

Model MCH22 MCH30 MCH36
Motor Single and three-phase electric Three-phase electric Three-phase electric
Charging Rate* 15.8 SCFM (447 L/min) 20.4 SCFM (577 L/min) 27 SCFM (764 L/min)
Fill Time* 5 min 4 min 3 min
CFM FAD 13.2 CFM (374 L/min) 17 CFM (481 L/min) 22.5 CFM (637 L/min)
Power 10 hp (7.5 kW) 15 hp (11 kW) 20 hp (15 kW)
208-230 V / E1 / 60 Hz 46 A
SKU 8046.1-WC
N/A N/A
208-230 V / E3 / 60 Hz** 28 A
SKU 8046.2-WC
31 A
SKU 8053.2-WC
48 A
SKU 8054.2-WC
400 V / E3 / 50 Hz 17 A
SKU 8046.6-WC
18 A
SKU 8053.6-WC
29 A
SKU 8054.6-WC
460 V / E3 / 60 Hz** 17 A
SKU 8046.3-WC
16 A
SKU 8053.3-WC
25 A
SKU 8054.3-WC
Max Working Pressure 6000 psi (414 bar) 6000 psi (414 bar) 6000 psi (414 bar)
Dimensions
(L x W x H)
36 x 36 x 53.5 in
(91 x 91 x 136 cm)
36 x 36 x 53.5 in
(91 x 91 x 136 cm)
36 x 36 x 53.5 in
(91 x 91 x 136 cm)
Net Weight Approximate 760 lb (345 kg) 760 lb (345 kg) 760 lb (345 kg)
Noise Level 78 dB 76 dB 76 dB
RPM 880 1100 1300

*Based on 80 cu ft cylinder from 500 to 3000 psi.

**Contact a salesperson for information on 50 Hz models.