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Operating and installation instructions
Y-pattern processing valve - STEVI
instructions ..................................................2-2
2.0 Notes on possible dangers.........................2-2
2.1 Significance of symbols ...................................... 2-2
2.2 Explanatory notes on safety information ............. 2-2
3.0 Storage and transport ................................2-2
4.0 Description...................................................2-3
4.1 Scope of applications .......................................... 2-3
4.2 Operating principles ............................................ 2-3
4.3 Diagram............................................................... 2-5
4.4 Technical data ..................................................... 2-5
4.5 Marking ............................................................... 2-6
5.0 Installation....................................................2-7
5.1 General notes on installation............................... 2-7
5.2 Requirements at the place of installation ............ 2-8
5.4 Installing valves with butt weld ends ................... 2-8
DN 15 - 50
Series 350
Contents
6.0 Putting the valve into operation ................ 2-9
7.0 Care and maintenance................................ 2-9
7.1 Replacement of bonnet ....................................... 2-9
7.2 Tightening torques ............................................ 2-10
8.0 Troubleshooting ........................................ 2-10
9.0 Troubleshooting table ............................. 2-10
11.0 Warranty / Guarantee .............................. 2-11
12.0 Manufacturers declaration ..................... 2-12
13.0 EC declaration of conformity (ATEX) .... 2-13
Rev. 0040322000 3413 englisch
®
AS 350
page 2-1
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Related Manuals for ARI-Armaturen STEVI 350 Series
Summary of Contents for ARI-Armaturen STEVI 350 Series
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Page 1: Table Of Contents
Operating and installation instructions ® Y-pattern processing valve - STEVI AS 350 DN 15 - 50 Series 350 Contents 1.0 General information on operating 6.0 Putting the valve into operation ....2-9 instructions ..........2-2 7.0 Care and maintenance........ 2-9 2.0 Notes on possible dangers......2-2 7.1 Replacement of bonnet ........ -
Page 2: General Information On Operating Instructions
Operating and installation instructions ® Y-pattern processing valve - STEVI AS 350 1.0 General information on operating instructions These operating instructions provide information on mounting and maintaining the fittings. Please contact the supplier or the manufacturer in case of problems which cannot be solved by reference to the operating instructions. -
Page 3: Description
Operating and installation instructions ® Y-pattern processing valve - STEVI AS 350 4.0 Description 4.1 Scope of applications Valves are used for „interrupting the flow of liquids, gases and vapours in chemical, processing, and other plants“. ATTENTION ! - Refer to the data sheet for applications, limits on use and possibilities. - Certain media require or preclude the use of special materials. - Page 4 Operating and installation instructions ® Y-pattern processing valve - STEVI AS 350 Depending on application different types are possible: 1. Spring closes on air failure (NC) 2. Spring opens on air failure (NO) Connection 2 Connection 1 Spring opens / Spring closes / Air supply pressure closes...
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Page 5: Diagram
Operating and installation instructions ® Y-pattern processing valve - STEVI AS 350 4.3 Diagram Fig. 4: Series 350 with screwed sockets Fig. 5: Series 350 with butt weld ends Fig. 6: Series 350 with flanges 4.4 Technical data - Principal dimensions - Pressure-temperature-ratings, etc. -
Page 6: Marking
Operating and installation instructions ® Y-pattern processing valve - STEVI AS 350 Air supply pressure (Function: Spring closes on air failure (NC), on flow-to-open) Actuator ATG 50 ATG 50 ATG 80 ATG 80 125E 125E 125E Operating pressure max. (bar) 10 16 10 16 10 16... -
Page 7: Installation
Operating and installation instructions ® Y-pattern processing valve - STEVI AS 350 5.0 Installation 5.1 General notes on installation The following items should be taken into account besides the general principles governing installation work: ATTENTION ! - Remove flange covers if present. - Remove covers from air supply connection if present. -
Page 8: Requirements At The Place Of Installation
Operating and installation instructions ® Y-pattern processing valve - STEVI AS 350 5.2 Requirements at the place of installation The place of installation should be easily accessible and provide ample space for maintenance and removing the actuator. The valve should preferably installed vertically with the actuator at the top. -
Page 9: Putting The Valve Into Operation
Operating and installation instructions ® Y-pattern processing valve - STEVI AS 350 6.0 Putting the valve into operation ATTENTION ! - Before putting the valve into operation, check material, pressure, temperature and direction of flow. - Regional safety instructions must be adhered to. - Residues in piping and valves (dirt, weld beads, etc.) inevitably lead to leakage. -
Page 10: Tightening Torques
Operating and installation instructions ® Y-pattern processing valve - STEVI AS 350 7.2 Tightening torques DN 15 50 Nm DN 20 50 Nm DN 25 60 Nm DN 32 70 Nm DN 40 80 Nm DN 50 100 Nm 8.0 Troubleshooting In the event of malfunction or faulty operating performance check that the installation and adjustment work has been carried out and completed in accordance with these Operating Instructions. -
Page 11: Dismantling The Valve Or The Top Part
Technology for the Future. GERMAN QUALITY VALVES ARI-Armaturen Albert Richter GmbH & Co. KG, D-33750 Schloß Holte-Stukenbrock Telephone (+49 5207) 994-0 Telefax (+49 5207) 994-158 or 159 Internet: http://www.ari-armaturen.com E-mail: info.vertrieb@ari-armaturen.com Rev. -
Page 12: Manufacturers Declaration
Operating and installation instructions ® Y-pattern processing valve - STEVI AS 350 12.0 Manufacturers declaration ARI-Armaturen Albert Richter GmbH & Co. KG, Mergelheide 56-60, D-33756 Schloß Holte-Stukenbrock EC declaration of conformity as defined by the Pressure Equipment Directive 97/23/EC Herewith we declare,... -
Page 13: Ec Declaration Of Conformity (Atex)
EC declaration of conformity acc. to Directive 94/9/EG (ATEX) on equipment and protective systems intended for use in potentially explosive atmospheres Herewith we declare: ARI-Armaturen Albert Richter GmbH & Co. KG, Mergelheide 56-60, D-33756 Schloß Holte-Stukenbrock that the below listed products are meeting the following requirements.
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