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PSV Test Bench – Long Island Point, Hastings

PSV Test Bench

This purpose built test bench was engineered to meet the clients exact requirements. IHS manufactured, assembled, delivered and commissioned the unit.

Designed to with two PSV test stations to suit ANSI flange valves and 3/4″ NPT Valves, with a maximum test pressure of 12,500kPa.

The test bench incorporates the following features.

  • Two 50L high pressure storage vessels
  • Eight separate pressure gauges to suit a wide range of tests
  • Mechanically adjustable clamping arms
  • Hydraulic clamping force
  • Hydraulically intensified air pressure
  • 12mm Polycarbonate shields
  • PLC Control system
  • 250kg Davit arm crane

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Port Botany Expansion Project – Sydney

Botany Bay Expansion

We were responsible for the complete design, manufacture and supply of the 20T Mooring Winch System, 30T Double Drum Derricking Winch System, 420T Luffing Cylinders and the 700HP Hydraulic Power Unit.


30T Double Drum Derricking Winch System

  • Hydraulic motor
  • Proxy rotation sensor
  • Pawl safety lock
  • Hydraulic disc brakes

20T Mooring Winch System

  • Total of 6 winches
  • Hydraulic motor
  • Pawl safety lock

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Launch System Power Unit & Cylinder Refurbishment

Lift System HPU

Custom designed and manufactured to meet our customers specific needs. Not only did we manufacture this Launch System Power Unit, we also refurbished the customers existing Launch Cylinders, fitted rotary transducers and pilot operated check valves.

Custom HPU Features

  • 15kW
  • 250 bar
  • 35 lpm
  • 200l Reservoir
  • Two speed extension
  • Digital readouts for rotary transducers

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700L/60MPa Pressure Vessel

60 MPa Pressure Vessel

Custom designed pressure vessel with press cylinder incorporated. Also included a split system hydraulic power unit, Intensifier and Tie Rod Tension Cylinder.

Pressure Vessel

  • 60 MPa Pressure rating
  • 0-100°C Operating temperature
  • 700 litre Capacity
  • Ø800mm Inside diameter

Hydraulic Power Unit

  • 4kW / 2.3 lpm / 600 bar High pressure / Low flow
  • 1.1kW / 25 lpm / 3 bar Low pressure / High flow
  • 1000 litre Reservoir

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700T & 600T Stress Bed System

IHS Stress Bed System

McMillan Engineering Group designed & manufactured this complete Stress Bed System to meet the customers unique specifications. To increase the efficiency of the system the client requested that the lock rings for the double acting safe rams be mechanically operated. This allowed the client to operate the system without having to have an operator manually lock off the rams for each stress.


  • Quantity – 2
  • 710T @ 700 bar
  • 450mm Stroke
  • Ø356mm Bore
  • Ø292mm Rod
  • Spherical load cap
  • Mechanically operated lock ring
  • Pressure relief valve
  • Pilot operated check valve
  • NATA Calibration

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Eastlink Precast Yard – Morwell, Victoria

IHS Stress Bed

We designed and manufactured various components for the 1200T & 800T Stress Beds.

1200T System

  • 2 x Custom IHS-0600-16-DA Jacks
  • 11kW, 8lpm, Split Flow, 120L Custom HPU
  • 25T, 24″ IHS Mono Stressing Jacks

800T System

  • 2 x Custom IHS-0400-12-DA Jacks
  • 5.5kW, 4.2lpm, Split FLow, 120L Custom HPU
  • 25T, 18″ IHS Mono Stressing Jacks

Also Includes:

  • Various IHS Strand Anchors
  • NATA Force Calibration