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Installation, Operation and Maintenance Manual -
Original Version
AVK Series 870 Plunger Valve
AVK series 870 is a plunger control valve which in some areas also is called a needle
valve in the industry for inline applications of regulation. Unlike butterfly or gate valves
assuming only fully open or shut off functions, plunger valves are designed to operate
in between and fulfil control functions (pressure and flow) in water supply systems.
The design holds a single-piece body of fusion bonded epoxy coated ductile iron
(above DN150) or stainless steel (up to DN150 and DN400, DN600). All internal
components are made of either stainless steel or bronze materials that guarantee
good anti-corrosion properties and a long lifetime.
DN200-600
DN80-150
DN400, 600
Page 1 of 20
Copyright © AVK Holding A/S, original version, rev. 11, 08-Mar-2022
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Table of Contents
Related Manuals for AVK DN600
Summarization of Contents
Installation and commissioning
General safety instructions
Ensuring safety protocols are followed before and during valve installation and commissioning.
Fields of application
Details the permitted uses and applications for the AVK Series 870 Plunger Valve.
CE marking and the pressure equipment directive 2014/68/EU
Explains the valve's categorization under the Pressure Equipment Directive and CE marking requirements.
Position of installation
Guidelines on selecting and preparing the optimal location for valve installation.
Operation and maintenance
Operation Details
Covers requirements, life cycle, pressure/temperature, visual inspection, and function checks for operation.
Maintenance Procedures
Includes general maintenance, gearbox/actuator operation, and inspection intervals for valve upkeep.
Repair and Torque Specifications
Details on part repair, O-ring replacement, seal replacement, and screw tightening torques.
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