1. Manuals
  2. Brands
  3. AWS Manuals
  4. Control Unit
  5. 930 Series
  6. Operating instruction

AWS 930 Series Operating Instruction

Disco check valve
Hide thumbs
Table of Contents

Advertisement

Quick Links

Operating instruction
Product line
930 / 931 / 932 / 932-HD / 936
AWS Apparatebau Arnold GmbH
Zimmerbachstraße 51
74676 Niedernhall - Waldzimmern
FON
+49 (0)7940 9308-200
FAX
+49 (0)7940 9308-212
MAIL
info@aws-apparatebau.de
WEB
www.aws-apparatebau.de
Read carefully before use.
Keep for future use.
We reserve the right to make technical changes.
Disco check valve
EN
Englisch

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the 930 Series and is the answer not in the manual?

Questions and answers

Related Manuals for AWS 930 Series

Summary of Contents for AWS 930 Series

  • Page 1 Operating instruction Disco check valve Product line 930 / 931 / 932 / 932-HD / 936 AWS Apparatebau Arnold GmbH Zimmerbachstraße 51 74676 Niedernhall - Waldzimmern +49 (0)7940 9308-200 +49 (0)7940 9308-212 MAIL info@aws-apparatebau.de www.aws-apparatebau.de Read carefully before use. Keep for future use.

  • Page 2: Table Of Contents

    CONTENTS DISCO CHECK VALVE PREFACE ........................1 1.1 General ............................1 1.2 Target group ..........................1 1.2.1 Personnel qualification ......................1 1.3 Applicable documents ......................1 1.4 Warranty ............................. 1 SAFETY INSTRUCTIONS ....................2 2.1 Warnings ............................ 2 2.2 Intended use ..........................2 2.3 Requirements for the user .......................

  • Page 3: Disco Check Valve

    This includes the corresponding data sheet and the declaration of conformity of the above mentioned valves. If necessary, these are to be requested from the manufacturer or downloaded from the website. 1.4 Warranty AWS Apparatebau Arnold GmbH does not assume any warranty in case the operator or third parties:  disregard this document.

  • Page 4: Safety Instructions

    2.2 Intended use AWS valves may only be used within the approved pressure and temperature limits, considering chemical and corrosive influences. The valves are not suitable for fluids containing solids. Intended use includes observing and following the instructions in this manual.

  • Page 5: General Safety Instructions

    2 PREFACE 2.4 General safety instructions The same regulations apply to all valves as to pipeline systems in which they are installed. The national and international regulations with regard to accident prevention as well as safety regulations must be observed by the operator. DANGER When working on system ...
  • Page 6 2 PREFACE CAUTION Risk of minor injuries  Wear protective gloves during installation, removaly and maintenance to avoid injuries from cuts on sharp-edged components.  Always secure the valve adequately during transport, installation and removal. NOTICE Notice of property damage ...

  • Page 7: Valve Description

    3 VALVE DESCRIPTION 3 VALVE DESCRIPTION The illustrations are exemplary for the design of the valves. All further information can be found in the data sheets of the relevant product line. The following illustration describes the 932 product line (DN 15-100): Pos.

  • Page 8: Product Lines

    3 VALVE DESCRIPTION 3.1 Product lines Product line Characteristics 930 DN 15-100  From DN 15 to DN 100.  Centring via the outer diameter of the body. 931 DN 15-100  From DN 15 to DN 100.  Centering via the outer diameter of the body and via the centering ring if necessary.

  • Page 9: Intended Use

    3.2 Intended use Disco check valves are valves used to prevent backflow in piping systems. AWS check valves are characterized by their simple design as well as their short face-to-face length (according to DIN EN 558, series 49 and series 52). They provide an optimal solution where wafer connections are required.

  • Page 10: Pressure Test Of The Valve

    3 VALVE DESCRIPTION 3.4 Pressure test of the valve The valve is leak-tested at the factory with air or water. Therefore the following warnings must be observed: CAUTION Residues on the valve  Residues of the test medium may still be left on the contact surfaces of the valve.

  • Page 11: Type Plate

    4 TYPE PLATE 4 TYPE PLATE A type plate is attached to each valve. The characteristics of the valve are listed on it. The following illustration shows the structure of such a type plate. Structure of a 932 disco check valve of the product line 932: ①...

  • Page 12: Type Code

    4 TYPE PLATE 4.2 Type code The type code of the valves is structured as follows: Material Nominal Spring Type Design Body Disc Spring Sealing size cross 15 – 100 1.4408 1.4408 1.4436 F5 = 1.4436 M = Metal seated N = NBR E = EPDM F = FKM...

  • Page 13: Storage And Transport

    5 STORAGE AND TRANSPORT 5 STORAGE AND TRANSPORT The valve is delivered in a ready-to-use condition. In the course of storing and transporting the valve, there are some guidelines that the user must follow in order to guarantee proper functioning of the valve. Storage: ...

  • Page 14: Installation

    6 INSTALLATION 6 INSTALLATION The operator of the system is generally responsible for the dimensioning of the piping and the installation of the valve. The function can be affected by planning and installation errors. 6.1 Prepare installation  Remove the valve from the packaging. ...

  • Page 15: Installation Instruction

    6 INSTALLATION WARNING Hoist for moving large valves  Lifting equipment may only be used by the personnel instructed in it.  The appropriate sling must be used for the valve.  The lifting capacity of the hoist and sling must be designed for at least the total weight of the valve.
  • Page 16 6 INSTALLATION Flange screw Washer Valve Sealing Flange Tightening torques of the flange connection The tightening torques given below are to be understood as guide values, as they depend on various factors, such as the material and strength class of the screws or the used flange sealing.
  • Page 17 6 INSTALLATION Centering the product line 931 and 932 DN 15-100 The valve is not Centering cams are in centered. contact with the flange It must be rotated screws. in order to be The valve is centered. centered. horizontal Calming distance The illustration shows options how the valve should be installed in vertical and horizontal flow direction.

  • Page 18: Commissioning, Decommissioning, Maintenance

    If necessary, the system must be flushed out. 7.3 Maintenance AWS disco check valves are maintenance-free. However, they can be checked for function and safety to avoid unforeseen downtimes. The interval time is to be determined by the operator.

  • Page 19: Correct Malfunctions And Defects

    7 COMMISSIONING, DECOMISSIONING, MAINTENANCE 7.5 Correct malfunctions and defects Malfunctions or defects may occur during operation. The following table shows possible causes and the appropriate solution. If malfunctions/defects are not listed, please contact the manufacturer. Malfunction/Defect Cause Solution Install the valve at a suitable Calming distance too low/not position in order to be able to respected...

  • Page 20: Removal

    9 REMOVAL / STORE / REUSE VALVE 8 REMOVAL When removing the valve from the pipeline, all previously mentioned warnings and instructions apply. Pay special attention to chapter 6 Installation and chapter 7 Commissioning, decommissioning, maintenance. 8.1 Prepare removal Before removal, the following steps must be observed: ...

  • Page 21: Disposal

    Pay attention to any residual buildup and outgassing of the flow media. 11 DECLARATION OF CONFORMITY The valves are compliant with Directive 2014/68/EU (Pressure Equipment Directive). The declaration of conformity can be accessed and downloaded from the website www.aws- apparatebau.de. Revision status: 03/05/2022 Index number: D0-116...

This manual is also suitable for:

931 series932 series932-hd series936 series930 dn 15-100931 dn 15-100 ... Show all

Table of Contents