Description

Overview

Essential details：8237-1604 ProTech-GII overspeed safety device

Product Description

Model 8237-1604 can be configured to work with any size turbine, as long as it is powered by steam, gas, or water. Speed readouts for this over acceleration device are between 4 and 20 mA. This model will safely shut down any size turbine if it begins to dangerously speed up. The panel mount has a backplane structure making repairs and replacements easy. Model 8237-1604 can be easily integrated into any turbine system, and it comes with Modbus communications. It’s equipped with MPU detection in addition to acceleration detection. The coating of this product makes it resistant to sulfur contamination, and it can be used in class 3C2 environments. It has IEC 721-3-3 1994 international standards.

It uses three independent trip relays, and low and high voltage power inputs. Model 8237-1600 also uses two out of three voted architecture. This over-speed detection device has a triple module design, making repairs possible while the system is still online. One module can be worked on while the other two are operating. Product 8237-1600 can also perform routine speed tests with an internal generator and frequency.

8237-1600

Product parameter

8237-1604 Technical Specifications

Dimensions	13 x 17.5 x 6.25 (inches)
Enclosure Type	IP56 dust and water resistant (Installed properly)
Features	Overvoltage protection II (per IEC 60664-1)
Input Voltage	2 High Voltage Inputs OR 1 High Voltage and 1 Low Voltage
Inrush Current	10 A at 115 Vac, 20 A @ 220 Vac
Keypad/Display	4.2in display and 15 Keys Per Module
Operating Temperature	–20 to +60 °C at 95% humidity
Storage Temperature	–20 to +65 °C at 95% humidity
Weight	Less than 23 lbs

The ProTech-GII (8237-1604) is an overspeed safety device whose main applications are to safely shut down steam turbines, gas turbines and water turbines when overspeed or excessive acceleration events are sensed.

ProTech-GII monitors turbine rotor speed and acceleration through an active or passive MPU (magnetoelectric speed sensor) and issues shutdown commands to the turbine speed closing valve or the corresponding trip system. The device is IEC61508 SIL-3 certified in accordance with API670 and API612 and also uses special MPU open wire detection circuits and stall detection logic to verify MPU connectivity and functionality. In addition, ProTech-GII uses special conformal coatings that have been proven to provide long-term protection against H2S and SO2 gas attacks.

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Superiority products 8237-1604 ProTech-GII overspeed safety device

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