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MHI SIMGAS4 Gas Mixing System



SIMGAS-4 Module 1 PLC

GAS Mixing Unit
SIMGAS4 Modules 1 and 2

Combustible gas Ignitor
HGI Safety Module 3

Features


SIMGAS4 Features

MHI SIMGAS is a versatile integrated process gas/atmosphere management system for processes where more than one gas is required. The system provides complete stand-alone process gas management on a single platform while integrating itself in the form of interlocks with its peripheral instruments and control systems.

The system consists of three modules:

Module 1: SIMGAS MODULE1 (PLC)

Module 2: SIMGAS MODULE2 (GAS FLOW)

Module 3: MODULE3- (HGI). Flammable gas flare-out system.



General Information

Features:

  • Gas mixing system
  • Low combustible-gas alarm (specific)
  • PLC based controls
  • High accuracy valve type flow meters
  • Precision control and repeatability
  • Typical configuration includes support for 3 nonflammable gasses
  • 1 flammable gas (e.g. for mixing H2/N2)
  • Automatic purge cycles
  • Easy set-up and operation
  • User selectable process gasses (between 1 and 4)
  • User configurable purge time
  • Self diagnostics feature
  • Multi-level audio and visual alarms
  • Fully controlled by programmable logic controller
  • Electrical interlock back-up for added reliability
  • Minimal operator interface
  • Optional: low pressure critical gas shut-off
  • Easy installation. Full manual and Installation diagram provided.
Gas Mixing System
Module 1- (PLC)
SIMGAS Module 1 provides clear and easy analog controls for gas mixing. Equipped with an automatic shut off with audible alarm for safety. 2009 models; shown below, come with safety lights.
Module 2 - (GAS FLOW).
SIMGAS Module 2 provides complete gas flow controls with 3 manual adjusting flow meters. The fourth flow meter controls compressed air for process cooling or purging. Unit layouts vary.
Request Information



For higher flow rates, see GPAN.


Modules


SIMGAS4 Modules

SIMGAS Modules (1,2 & 3). Detailed Descriptions.


Module 1: SIMGAS MODULE1 - (PLC).
The SIMGAS MODULE1-(PLC) is a PLC based electrical control panel capable of controlling between 2 and 4 different process gasses (standard model is for 4 gasses). The PLC comes loaded with a program that has self diagnostics, Process initiation, Interface with external interlocks, control of gas valves in Module 2 - (GAS FLOW) and control of the flammable gas flare system in Module 3 - (HGI SYSTEM). The SIMGAS gives multi level audible and visual alarms, and incorporates safety / emergency shut-down.


Module 2: SIMGAS MODULE2 - (GAS FLOW). The SIMGAS MOD2(GAS FLOW) is a gas delivery panel. The panel incorporates gas manifold, manually settable gas flow meters, ON/OFF gas solenoid valves operated thru the SIMGAS and pressure switches for monitoring of gas pressures.


Module 3: SIMGAS MODULE3-(HGI).

The HGI Flammable Gas Flare-out Module is a safety gas flare-out that burns off combustible gases from the process. The module houses an integral burner pilot flame and a UV flame detector for positive flame detection. The HGI constantly monitors the flame and, in the case of a flame-out condition, the PLC control panel initiates to revive the flame. In the event that the flame is not re-ignited within this time, the system initiates a safe shutdown of the process with the required alarm level.

Module 1 (2009 Onwards) Features Large Indicator Lights



Hydrogen Igniter Safety System


Hydrogen Gas Igniter Safety System

General Information

Module 3 - (HGI SYSTEM)

Please call 513-772-0404 for more information

The HGI Flammable Gas Flare-out Module is a safety gas flare-out that burns off combustible gases from the process. The module houses an integral burner pilot flame and a UV flame detector for positive flame detection. The HGI constantly monitors the flame, and in the case of a flame-out condition, the PLC control panel initiates to revive the flame. In the event that the flame is not re-ignited within this time, the system initiates a safe shutdown of the process with the required alarm level.

Features:

  • Medium flow gas burner with SiC igniter
  • Honeywell UV sensor flame detection
  • High flow, resetable flash back arrestor
  • Stainless steel strain and filter mechanism
  • Interface with PLC, ready control logic
  • Light sensor to test igniter performance
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©Micropyretics Heaters International Inc. 1995 - 2017
750 Redna Terrace Cincinnati, OH 45215, USA
Telephone: 513-772-0404 | Fax: 513-672-3333