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THG Corporation

The-Hope-Group
The Hope Group is an authorized full-line Parker distributor featuring hydraulic, pneumatic, fluid connector, and sealing products for OEM and MRO applications.

Sorensen-Systems
Sorensen Systems is a designer/builder of custom systems providing clean water, renewable energy sources, and technologically advanced process systems for industry.


Hope-Air-Systems
Hope Air Systems is an authorized distributor for Kaeser Compressor featuring energy efficient rotary screw compressors as well as a designer/builder of skid-mounted packaged compressed air systems.


Hope-Service
Hope Service can dispatch its field service fleet of vehicles and experienced, factory-trained technicians to provide emergency and routine field service to its hydraulic, electrical, and compressed air systems customers.

The-Parker-Store
The Hope Group owns and operates seven Parker Stores at its branch locations providing "while you wait" replacement of hose assemblies and immediate on-hand access to 3,000 Parker fluid connector parts.


Hope-Direct
The Hope Group provides 24 hour access to $150 million of Parker parts through its eCommerce website, HopeDirect.com, offering one or two-day shipping of all your hose & fittings, hydraulic, pneumatic, valve, and filtration needs.


iPower
iPower Distribution Group of New England provides supply chain consulting and implementation through streamlined procure-to-pay process, vendor managed inventory (VMI), Kanban, and in-plant buyer-planner services.

 

 
 
 
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Fluid Power and Electrical Control Systems Must Meet Critical OEM Design Requirements

Sorensen Systems is a designer and manufacturer of turnkey fluid power and electrical control systems required to meet the stringent motion and control requirements of today's industrial OEM's. From its 60,000 square foot, ISO 9001:2008 certified facility in Massachusetts, the company has established a strong reputation for accomplishment through the capabilities of its engineering, technical and fabrication talent. Its in-house capability for designing, manufacturing, and testing hydraulic, pneumatic, automation, and electrical control packages, including skid-mounted packaged compressed air and nitrogen generator systems makes it a leading engineered system provider in New England.

Sorensen Systems has built its reputation on successfully designing and building CE & CSA compliant hydraulic power units, pneumatic panels, equipment sound attenuation enclosures, lubrication systems, hydraulic and pneumatic filtration systems, proportional and directional control valves, hose and tubing assemblies, plus a wide variety of other engineered systems such as:

  • Industrial Control Panels
  • Industrial Hydraulic Power Units
  • Mobile/Marine Power Take Off Systems
  • Power Generation Control Systems
  • PLC and Operator Interface
  • Machine Automation
  • Pneumatic Panel Assemblies
  • Servo and Stepper Motion Control
  • Valve and Tube Assemblies
  • Hydraulic Hose Assemblies

Engineering a Solution

The daily challenge at Sorensen Systems is solving the unique motion and control problems of its clients. A recent example was the requirement established by the Cog Railway in New Hampshire to design and build from scratch a revolutionary new locomotive to replace the aging and inefficient steam engines in use since 1869. The first part of the solution was to replace the coal-fired boiler with a diesel engine driving a Power Take Off pump. Working closely with the customer, a new design was developed for the engine, the braking and the overall monitoring and control of the locomotive.

Motion was achieved through the introduction of two hydrostatic pumps which provide electronically controlled variable pressure and flow to two fixed displacement, axial piston hydraulic drive motors. The motors are coupled to two planetary gear boxes that drive the locomotive's two Cog gears. With safety and efficiency in mind, the decision to go hydraulic was based on the fundamental advantages of hydraulics when it comes to power density.

Sequenced Blower Package

When a local municipal gas company decided that its customer-demand was going to exceed the capacity of its gravity fed system and wanted to move to a pressurized system it relied on the engineering and fabrication capabilities of Sorensen Systems to solve the system solution challenge. Based on its review of the requirements the engineers at Sorensen Systems recommended developing a custom sequenced blower package to provide a stabilized pressure source for the gas distribution. The design incorporated four rotary-lobe blowers, linked together to provide the required controlled pressure and internal back-up and redundancy capability.

An important part of the upgraded system was the unique manifold package designed by Sorensen Systems which linked the four blowers together. The design included the use of digital monitors and recorders to monitor gas ratios and controls. The team developed software programming that permits the blowers to operate in sequence to meet various load levels and to serve as back-ups during maintenance shutdowns.


Sorensen Systems LLC, is a privately held company operating as a subsidiary of THG Corporation, which has been a fluid power and motion control distributor-manufacturer in New England since 1933. The company operates from a headquarters in Northborough MA and has eight branch locations in five of the six New England states. The company operates from an ISO 9001:2008 certified facility and has ITAR certification through its affiliation with The Hope Group LLC.




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Fluid power and electrical motion and control systems are a specialty of Sorensen Systems engineers, technicians and fabricators.

Energy-Recovery-Case-Studies


aerospace-test-stand
sorensen-sequenced-control

Blower Package
Sorensen Systems developed a sequenced blower package, which included the use of digital monitors and recorders to monitor gas ratios and controls.


sorensen-flow-controller-package

Controlled Pressure
The goal was to use four rotary blowers to upgrade from the existing gravity-fed system to a controlled pressurized distribution system.


sorensen-stabilized-pressure

Software Sequencing
The engineering team at Sorensen Systems developed software programming that permits the blower to operate in sequence to meet various load levels.


sorensen-four-rotary-blowers

Software Sequencing
The engineering team at Sorensen Systems developed software programming that permits the blower to operate in sequence to meet various load levels.


 
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Our-Best-Advice
mike-gardella   eConfigurator Added To My "Helpful Tools" Page
Mike Gardella
VP Engineering & Mfg

Benji-Grubel   Are You Keeping the Application in Mind When Selecting Your Hydraulic Hose?
Dave Maloney
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Hope Air Systems

Donna-Tibbetts   One of Our Stores is Open 24 Hours a Day!
Donna Tibbetts
Operations & Service Mgr

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Doug Markham
President, iPower NE

 
 
 
   
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