Heavy frame Hydraulic fluid control systems

Does your Gas Turbine, Heavy frame Hydraulic fluid control systems need service?

PJ Diesel Engineering A/S is a distributor and independent service facility for Woodward Inc.

Proven Gas Turbine Control & Protection Solutions
Purpose-built for gas turbines, Woodward’s powerful controllers have the performance and accuracy required for today’s gas turbine applications. Gas turbine OEMs utilize Woodward’s turbine controllers, fluid control systems, and actuators to ensure their packages meet rapid start, steady-state stability and fast transient responses required by distributed power generation, utility grid regulatory commissions, and pump/compressor applications.

Purpose Built Fluid Control Systems

A full line of fuel, water, air metering and shutoff valves and actuators are Woodward’s solution to the required performance, precision, speed and safety requirements of gas turbine control products. Our leading-edge integrated actuator and valve technology is the chosen solution for OEM’s packagers and end user design to provide accurate, responsive and highly reliable fluid metering products.

Sonicflo™ valve

Hydraulic gas Control (GCV) – Precision Metering & Control

    • High end valve metering valves in standard and high recovery models

    • Yield linear flow unaffected by discharge pressure at very low-pressure ratios

    • Integrated valve and actuator design

    • Position accuracy ±1% full scale

    • Position repeatability ±0.5% of point over the range of 10 to 100%

Gas stop/Ratio valve

Hydraulic Rotary Valve – Pressure and Modulated Fuel Control

    • Dual Function for industrial or utility gas turbines

    • Single acting fast fuel shutoff

    • Accurate control of fuel pressure ratio

    • Position accuracy + 1% full scale

    • Position repeatability + 0,5% og point over the range of 10 to 100%

Linear Actuator

Hydraulic Inlet Guide (IGV) and Variable Stator Vane (VSV) Control Actuator

    • Dual function controls the position and close of inlet guide vanes

    • Double-acting design will close on loss of electrical or hydraulic signals

    • Position accuracy + 1% full scale

    • Position repeatability + 0.5% of point over the range of 10 to 100%

Liquid Stop Valve

Three way Fuel Oil Stop Valve

    • Two stage, three-way design rapidly shut off all fuel flow

    • 30,000lb/h (13,608 kg/h) rated flow

    • Closes in 0,09 seconds

    • 1200 psig (8274 kPa) maximum operating pressure

Complete Gas Turbine Control

Proven Performance and Usability
The MicroNet+, GAP software and distributed I/0 platform is Woodward’s solution to a highly reliable, redundant and expandable line on gas turbine control products. Applications and hardware are engineered to drive OEM’s core turbine technology from their test facilities all the way to your individual location’s operating environment around the globe.

If your Turbine is not performing according to specification and requirement, you should contact a service provider immediately.



PJ Diesel Engineering A/S is Woodward AISF Authorized Independent Service Facility and distributor for governors, actuators, and turbine valves in Denmark, Estonia, Faroe Islands, Finland, Greenland, Iceland, Latvia, Lithuania, Sweden, and coastal area of Poland for marine applications.


Our core competences

 We are specialised within the Woodward product range:

      • Governors and electronic controls
      • Gas and steam turbine control
      • Valve services
      • Industrial gas turbine control
      • Power management

Woodward supplies a range of products (controls, valves, actuators, safety systems, auxiliary, and combustion systems) for gas and steam turbines and compressors.

We strive to reduce total installed/operating cost and emissions while improving availability, efficiency, start performance and operating range. Woodward has the longest legacy of any control’s supplier in the industrial rotating equipment market. We continuously invest in bringing innovative solutions to real market needs. Our focus is on providing value to our original equipment manufacturer (OEM), packager and end user customers through combining our knowledge of controls, auxiliaries and combustion systems to drive optimization through simplification and integration


We offer service for all Large Engine Control Modules - Our Woodward trained, and certified service engineers and service partners can assist on short notice.


Circular flow and Exchange Service


Imagine a shared response program unlocking the value of unused assets and saving you from stockpiling key components for urgent repairs.

Within PJ Diesel Engineering A/S you can join services with other end-users minimizing stock expenses, and at the same time maintaining full flexibility and the advantage of externalizing the risks. Through our exchange program expensive individual ownership costs and delivery time is reduced with shared acknowledged access to key components.

Read more about our EXCHANGE SERVICE

Long- and short-term benefits


    • Improving service by enabling programmed maintenance and emergency response
    • Reduce dependency from shore facilities
    • Eliminate delivery time (Time required for repairs from shore)
    • Plug and play solutions
    • Risk reduction
    • Reduced operational cost
    • Elimination of expensive inventory
    • Fixed prices on exchange units - easy budget planning
    • 24 months liability for Shortages and Defects
    • High availability because of inventory at PJ Diesel Engineering A/S facilities
    • Not stocking expenses
    • No new unit investment
    • Full report and IMO/EAIAPP Validation
    • Repairable damages all included in SEU (Service Exchange Unit) A solution with no extra costs
    • Elevating from supplier to service partner (Trusted supplier)
    • Responsible and sustainable Supply Chain Management


A vast stock of genuine Woodward spares and Governor test stands

PJ Diesel Engineering A/S meet all the requirements for immediate service without delays. We further deliver field services for Woodward components for inspection, troubleshooting installation and commissioning.