8237-1656

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  • 5.00 (2)
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  • 5.00 (2)
  • Click a star to rate this product
8237-1656 monitors turbine rotor speed and acceleration via active or passive MPUs and issues a shutdown command to the turbine’s trip valve or corresponding trip system.

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  • Part Number: 8237-1656
  • SKU: 82371656WO
  • Manufacturer: Woodward
  • Series: ProTech-GII Overspeed Protection

8237-1656 Technical Specifications

Dimensions 330mm x 486mm x 153mm
Enclosure Type IP56
Features Pollution Degree 2 (per IEC 60664-1)
High Input Voltage 100–150 Vdc @ 30 W per module
Keypad/Display 45 Keys Total
Low Voltage Input 18–32 Vdc @ 30 W per module
Operating Temperature –20 to +60 °C (–4 to +140 °F)
Relative Humidity Up to 95% (non-condensing)
Storage Temperature –20 to +65 °C (–4 to +158 °F)
Weight Less than 27 lbs

About the 8237-1656

Part of the Woodward Protech-GII series is model 8237-1656. It is an over-speed detection device that can be equipped to work on any size turbine. It will cause a shut down in the event of over acceleration. Product 8237-1656 will work with hydro, steam, and gas turbines, and is also equipped with passive and active MPU detection. This device weighs 17 pounds or less and can be mounted to most cabinets.

More in-depth technical specifications for Woodward model 8237-1656 include;

  • A high voltage input of 100 to 150 Vdc, at 30 W per module.
  • A low voltage input of 18 to 32 Vdc, at 30 W per module.
  • 45 total display keys.
  • IP56 enclosure type.
  • A relative humidity up to 95%, non-condensing.

This over acceleration turbine safety device can be operated in temperatures between -4 and 140 degrees Fahrenheit. It can be stored in temperatures ranging from -4 to 158 degrees Fahrenheit. Model 8237-1656 originally came with a three-year warranty from Woodward, but the safety device has since been discontinued by the manufacturer. However, this product can still be found through other sources, such as AX Control. AX Control can repair, buy, and sell these turbine safety systems.

Reviews For 8237-1656

Internal Review
(4.0)

The device’s 12 millisecond response time and 0.5 to 80 000 rpm speed range make it ideal for application on all types and sizes of turbines. However, the market availability of the 8237-1656 makes a repair service or lateral replacement our main options - AX Tech

Repair Services For 8237-1656

Type Lead Time Price Action
Repair Service 1-2 weeks $4590

Our highly skilled technicians can repair your 8237-1656. All of our repairs come with a 3 Year AX Control Warranty. Please contact us for additional information about our repair process. To receive the repair pricing and lead time listed above please process your repair order via our website. The following repair options may be available upon request:

  • 48-72hr Rush Repair
  • Detailed Repair Reports
  • AX Control Certificate of Warranty

AX Control Warranty Info

All products we sell are backed by our unparalleled warranty. A warranty certificate will be provided with your order upon request.
All PLCs, HMIs, and Turbine Control Boards: 3 Years
All AC/DC and Servo Drives: 2 Years
All Motors: 1 Year
Learn More