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Elster MR HP20 User Manual

Elster MR HP20
48 pages
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MR HP20
DN 50, 80, 100
Betriebsanleitung Seite 2
Gasdruckregelgerät
mit integriertem Sicherheitsabsperrventil (SAV)
Operating instructions Page 28
Gas pressure regulator
with integrated slam shut valve (SSV)
Edition 08.12
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Elster MR HP20 Specifications

General IconGeneral
Pressure Range0-20 bar
Output Signal4-20 mA
Power Supply24 VDC
Protection ClassIP65
Housing MaterialAluminum
TypePressure Controller

Summary

Technical Data

Naming

Details on the naming convention and structure of product models.

Material Specifications

Lists the materials used for various components of the regulator.

Spring Ranges

Specifies the available spring ranges for regulators and safety shut-off valves.

Installing the Regulator into the Pipe Work

Installation

Provides step-by-step instructions and guidelines for installing the regulator.

Downstream Pressure Line

Recommendations for the downstream pressure line volume for optimal regulator dynamics.

Connection of Function Lines

Details on how to properly connect sensing and other function lines to the regulator.

Connection of Breather Lines

Guidance on connecting breather lines, especially for enclosed spaces.

Commissioning

Resetting the Safety Shut-off Valve

Procedure for resetting the safety shut-off valve after operation or maintenance.

Adjustment

Instructions on how to adjust the regulator's setpoints, including changing springs.

Function Check

Procedures for verifying the correct operation of the regulator and safety shut-off valve.

Tightness Test

Method for checking the regulator and pipe connections for leaks.

Maintenance and Servicing

Disassembly of the Regulator Head

Steps for safely disassembling the regulator head for maintenance or repair.

Cleaning the Valve Seat

Instructions for cleaning the valve seat and associated components.

Cleaning the Spindle Guide

Procedure for cleaning the spindle guide mechanism.

Replacing the Main Diaphragm

Steps for replacing the main diaphragm of the regulator.

Replacing the Secondary Diaphragm

Procedure for replacing the secondary diaphragm of the regulator.

Assembly of the Regulator Head

Steps for reassembling the regulator head after maintenance.

Assembly of the Secondary Diaphragm

Procedure for assembling the secondary diaphragm into the regulator.

Assembly of the Main Diaphragm

Procedure for assembling the main diaphragm into the regulator.

Assembly of the Spindle Guide

Steps for assembling the spindle guide back into the regulator.

Assembly of the Valve Seat

Procedure for assembling the valve seat and related parts.

Disassembly of the Control Unit SCU

Steps for disassembling the Safety Shut-off Valve (SCU) control unit.

Assembly of the Control Unit SCU

Steps for reassembling the Safety Shut-off Valve (SCU) control unit.

Function Check

Performing a function check after maintenance on the SCU or regulator.

Spare Part Lists and Torques

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