Table of Contents
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Table of Contents
Related Manuals for UNI Geräte EVSA
Summary of Contents for UNI Geräte EVSA
- Page 1 EVSA Automatic shut-off valve, solenoid valve (NC) Operating and maintenance instructions UNI Geräte E. Mangelmann Elektrotechnische Fabrik GmbH Telephone: +49 (0) 2837/9134-0 Holtumsweg 13 Fax: +49 (0) 2837/1444 D-47652 Weeze, Germany Email: info@uni-geraete.de Homepage: www.uni-geraete.de...
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Page 2: Table Of Contents
Explanation of symbols Read instructions carefully before use. The operating instructions must always be available at the system’s place of use. Table of contents Explanation of symbols Safety General safety Safety during operation in potentially explosive atmospheres Other applicable information Intended readers Scope of delivery Intended use... -
Page 3: Safety
Safety Attention Material damage! • Indicates a situation that can lead to damage to property and the environment. Note Supplementary information on operating the product. Safety The manufacturer accepts no liability for damage in the following cases: • Assembly or connection errors •... -
Page 4: Other Applicable Information
Operating instructions for optional attachments Intended use The EVSA solenoid valves are used as automatic shut-off valves for securing, limiting, shutting off and releasing the gas and air supply at main shut-offs or upstream of gas burners. The valves are suitable for the following gases: •... -
Page 5: Technical Specifications
Dimensions with standard solenoid drive Threaded connection according to DIN ISO 228-1 Connection G Dime 1/4* 1 1/4 1 1/2 nsion Overall length 4/10-EVSA ØC 22.5 22.5 22.5 40-EVSA ØC 22.5 *G1/4 only in 4-EVSA version 03/2021 221.100.002-00 www.uni-geraete.com... - Page 6 Overall length ANSI flanges Dimen- 1/2” 3/4” 1” 11/4” 11/2” 2” sion 4-EVSA ØC 10-EVSA ØC 16-EVSA ØC 25-EVSA ØC 40-EVSA ØC A = overall length acc. to DIN (e.g. ANSI flanges and DIN overall length or DIN flanges and overall length) Overall length according to ANSI (see data sheet for overall fitting lengths DIN / ANSI 225.100.026 on our...
- Page 7 Dimen- sion Overall length ANSI flanges Dimen- 21/2” 3” 4” 6” sion 4-EVSA ØC 10-EVSA ØC 16-EVSA ØC 25-EVSA ØC 40-EVSA ØC A = overall length acc. to DIN (e.g. ANSI flanges and DIN overall length or DIN flanges and overall length) Overall length according to ANSI (see data sheet for overall fitting lengths DIN / ANSI 225.100.026 on our...
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Page 8: Assignment Of Solenoid Drive Types Mg
Technical specifications Assignment of solenoid drive types MG... Connection 1 1/4 1 1/2 Test pres- (10) (12) (15) (20) sure (*) 4-EVSA 005-3 008-2 008-2 008-2 PT10 10-EVSA – 008-2 008-2 008-2 010A5 012A5 014A5 016A5 PT16 40-EVSA – –... -
Page 9: Technical Description
Technical description Technical description The EVSA solenoid valve is a direct-operated, normally closed (NC), quick-closing automatic shut-off valve with solenoid drive. The valve has a service life of 20 years. Function The following item numbers refer to the respective valve in Fig. 1 – Fig. 7. -
Page 10: Storage
Storage 1. Attach protective caps to the sides of the valve. 2. Secure the device with lifting tackle. When doing so, only attach the lifting tackle to the housing. If possible, transport the valve in a box or on a pallet with a soft underlay. 3. -
Page 11: Installing The Valve
Commissioning 10.2 Installing the valve Attention If there is tension, the actuators may jam. If the actuators jam, it may no longer be possible to reposition them. • During installation, make sure that the valve is fitted in the pipeline without any strain. •... -
Page 12: Maintenance
Flange version 4/10-EVSA...; 16-EVSA 30N(H)..: (Page 14) • Flange version 16/25-EVSA: (Page 14) • Threaded version 4/10-EVSA 10 – 20 (1” – 2”): (Page 14) 3. Check the following items (see Fig. 1 – Fig. 7): • Damage to the valve seat (100) •... -
Page 13: Maintenance At The Manufacturer
Flange version 16/25-EVSA: Install the spare parts kit (Page 13) • Threaded version 4/10-EVSA 10 – 20 (1” – 2”): Install the spare parts kit (Page 13) 7. Check the valve for internal leaks. 8. Check the valve for external leaks. - Page 14 7. Screw on the Upper part of housing (106). 8. Tighten the setscrew (941/1). Install the spare parts kit for threaded version 4/10-EVSA 10 – 20 (1” – 2”): Fig. 6 Disassembling the valve 1. Completely unscrew the Upper part of housing (106).
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Page 15: Disassembly
Disassembly Replacing wearing parts 1. Replace the O-rings (403/1, 403/2). 2. Replace the lip-rings (404/1, 404/3). 3. Replace the guide rings (206). Installing the valve 1. Push the balance piston (220/1) into the piston guide (221/1). 2. Screw the balance piston (220/1) with the piston guide (221/1) into the valve chamber (100). 3. -
Page 16: Disposal
Disposal Fault Possible causes Remedy No external tightness Seals damaged Replace seals (See “Installing the spare parts kit” on page 13) or valve Valve does not close Voltage too high Check whether residual voltage is pres- ent (See “Function” on page 9) Flange break Screws tightened on one side Align pipeline, install new valve... - Page 17 Parts list Item Qty. Designation Description 403/1 O-Ring O-ring 403/2 O-Ring O-ring 403/3 O-Ring O-ring 404/1 Lippenring Lip-ring 404/2 Lippenring Lip-ring 404/3 Lippenring (nur bei Gegendruck) Lip-ring (only with back pressure) Abstreifring Scraper ring 503/1 Druckfeder Pressure spring 503/2 Druckfeder Pressure spring Magnetantrieb Solenoid drive...
- Page 18 4/10-EVSA 16-EVSA 30N(H) 221.100.002-00 03/2021 www.uni-geraete.com...
- Page 19 16/25-EVSA 03/2021 221.100.002-00 www.uni-geraete.com...
- Page 20 40-EVSA 5NH.. 221.100.002-00 03/2021 www.uni-geraete.com...
- Page 21 40-EVSA 10NH 03/2021 221.100.002-00 www.uni-geraete.com...
- Page 22 40-EVSA 25NH 221.100.002-00 03/2021 www.uni-geraete.com...
- Page 23 4/10-EVSA 03/2021 221.100.002-00 www.uni-geraete.com...
- Page 24 40-EVSA-5-4 221.100.002-00 03/2021 www.uni-geraete.com...