Related Manuals for GEM ZRSK
Summary of Contents for GEM ZRSK
- Page 1 GEMÜ ZRSK Metal check valve Operating instructions further information webcode: GW-ZRSK...
- Page 2 All rights including copyrights or industrial property rights are expressly reserved. Keep the document for future reference. © GEMÜ Gebr. Müller Apparatebau GmbH & Co. KG 30.04.2020 GEMÜ ZRSK 2 / 22 www.gemu-group.com...
-
Page 3: Table Of Contents
15 Inspection/maintenance ..........19 15.1 Spare parts ............19 16 Removal from piping ..........19 17 Disposal ..............20 18 Returns ..............20 19 Declaration of conformity according to 2014/68/EU (Pressure Equipment Directive) ......... 21 3 / 22 www.gemu-group.com GEMÜ ZRSK... -
Page 4: General Information
Response(s) to tasks – Lists 1.3 Definition of terms Corrosive chemicals Working medium The medium that flows through the GEMÜ product. Hot plant components! 1.4 Warning notes Wherever possible, warning notes are organised according to the following scheme: SIGNAL WORD... -
Page 5: Safety Information
4. Provide adequate training for installation and operating 3.2 Description personnel. GEMÜ ZRSK is a metal check valve with integrated flange 5. Ensure that the contents of the document have been fully seal. The valve body, disc and seal are available in various understood by the responsible personnel. -
Page 6: Correct Use
The product may only be used in potentially explosive ● zones confirmed in the declaration of conformity (ATEX). The product is designed for installation in piping systems and for controlling a working medium. GEMÜ ZRSK 6 / 22 www.gemu-group.com... -
Page 7: Availability
1.4571 (code 46) Food 1.4408, investment casting 1.4408 (code 37), EPDM with KTW approval (code 37), 1.4571 (code 46) (code 18) 1.4571 (code 46) Explosion protection* ATEX * only for designs without manual override 7 / 22 www.gemu-group.com GEMÜ ZRSK... -
Page 8: Order Data
Flange EN 1092, PN 16 ANSI B16.5, Class 150 5 Body material Code 1.4408, investment casting 1.0460, galvanised 1.4571 2.0975, aluminium bronze (CC333G) 1.4469, super duplex 6 Disc material Code 1.4408 1.0460, galvanised 1.4571 1.4469, super duplex 8 / 22 GEMÜ ZRSK www.gemu-group.com... -
Page 9: Order Example
Flange EN 1092, PN 16 5 Body material 1.4571 6 Disc material 1.4571 7 Seal material EPDM 8 Spring return Without return spring 9 Manual override without 10 Type of design Without 11 Special version Without 9 / 22 www.gemu-group.com GEMÜ ZRSK... -
Page 10: Technical Data
20 °C) for liquids of groups 1 and 2. Pressure loss: 10,00 1,00 0,10 0,01 1000 10000 Flow [m³/h] The diagram values are valid for water at 20 °C. Please contact GEMÜ for the calculation of other fluids. 10 / 22 GEMÜ ZRSK www.gemu-group.com... - Page 11 9500 Kv values in m³/h Pressure for disc A minimum back pressure of 0.3 bar is required for sealing the check valve. opening: Piping Horizontal Vertical Spring Without with Without with Pressures in mbar 11 / 22 www.gemu-group.com GEMÜ ZRSK...
-
Page 12: Product Compliance
67.0 90.0 85.0 128.0 120.0 Weights in kg 1) Body material Code 37: 1.4408, investment casting Code 3HD: 1.0460, galvanised Code 46: 1.4571 Code 5A0: 2.0975, aluminium bronze (CC333G) Code 4W1: 1.4469, super duplex 12 / 22 GEMÜ ZRSK www.gemu-group.com... -
Page 13: Dimensions
Dimensions in mm 1) Connection type Code 1: Flange EN 1092 / PN 6 Code 2: Flange EN 1092 / PN 10 Code 3: Flange EN 1092, PN 16 Code D: ANSI B16.5, Class 150 13 / 22 www.gemu-group.com GEMÜ ZRSK... -
Page 14: Certificates
9 Certificates 9 Certificates The following certificates can be ordered for this product. Designation Item no. 3.1 Material certificate acc. to EN 88490978 10204-3.1 2.2 Certificate of compliance with the 88535071 order - ZRSK 14 / 22 GEMÜ ZRSK www.gemu-group.com... -
Page 15: Manufacturer's Information
4. Do not store solvents, chemicals, acids, fuels or similar design from the order number. fluids in the same room as GEMÜ products and their spare parts. 10.2 Packaging The product is packaged in a cardboard box which can be re- 11 Installation in piping cycled as paper. -
Page 16: Installation
11. Tighten flange bolts to the appropriate torque in a diag- 15. Pay attention to the direction of the working medium: posi- onal pattern. tioned in-line with flow direction Flange bolt torques Thread M 20 Torque [Nm] GEMÜ ZRSK 16 / 22 www.gemu-group.com... -
Page 17: Atex Version
The manual override is actuated by an Allen key. The Allen key 3. Commission the product. is not included in the scope of delivery. ● Insert the Allen key in the manual override and turn by the required angle (max. 90°). www.gemu-group.com 17 / 22 GEMÜ ZRSK... -
Page 18: Troubleshooting
Replace O-ring of body leaking Screws not tightened Tighten screws Check valve leaks Check valve faulty Check the check valve for potential damage and replace if necessary O-ring of disc faulty Replace O-ring of disc 18 / 22 GEMÜ ZRSK www.gemu-group.com... -
Page 19: Inspection/Maintenance
6. Replace the O-rings 3. 5. Depressurize the plant or plant component. 7. Insert the disc 2. 6. Actuate GEMÜ products which are always in the same po- 8. Hook in new spring (option) 4. sition four times a year. 9. Insert the check valve using the eye bolt 6. -
Page 20: Disposal
Returned goods can be processed only when this note is completed. If no return delivery note is included with the product, GEMÜ cannot process credits or repair work but will dispose of the goods at the operator's expense. -
Page 21: Declaration Of Conformity According To 2014/68/Eu (Pressure Equipment Directive)
AD 2000 leaflet, EN 12266 Note for products with a nominal size ≤ DN 25: The products are developed and produced according to GEMÜ process instructions and quality standards which comply with the requirements of ISO 9001 and ISO 14001. - Page 22 GEMÜ Gebr. Müller Apparatebau GmbH & Co. KG Subject to alteration *88675854* Fritz-Müller-Straße 6-8, 74653 Ingelfingen-Criesbach, Germany 04.2020 | 88675854 Phone +49 (0)7940 123-0 · info@gemue.de www.gemu-group.com...
Need help?
Do you have a question about the ZRSK and is the answer not in the manual?
Questions and answers