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Summary of Contents for GEM 312
- Page 1 GEMÜ 312, 314 Pneumatically operated multi-port globe valve Assembly instructions Replacing the wearing parts GEMÜ 312 GEMÜ 314 further information webcode: GW-312, 314...
- 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 16.01.2025 GEMÜ 312, 314 2 / 16 www.gemu-group.com...
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Page 3: Table Of Contents
4 Preparing for installation ........5 Installing/removing the gland packing ....Gland packing construction ......Removing the actuator ........5.2.1 Removing the GEMÜ 312 actuator .. 5.2.2 Removing the GEMÜ 314 actuator .. Removing the gland packing ......Installing new gland packing ...... -
Page 4: General Information
The actuator cover is under spring pressure! – Lists 1.3 Definition of terms Working medium The medium that flows through the GEMÜ product. Control function The possible actuation functions of the GEMÜ product. Control medium The medium whose increasing or decreasing pressure causes the GEMÜ... -
Page 5: Safety Information
Hexagon nut Before installation: Piston sleeve Seat seal ● Read the complete installation, operating and mainten- ance instructions for the GEMÜ 312/314 before you work Valve plug with the product. Compression spring(s) Retaining washer Lip ring... -
Page 6: Gemü 314 Construction
4 Preparing for installation 3.2 GEMÜ 314 construction 4 Preparing for installation WARNING The equipment is subject to pressure! ▶ Risk of severe injury or death Depressurize the plant or plant com- ● ponent. Completely drain the plant or plant ●... -
Page 7: Installing/Removing The Gland Packing
GEMÜ 312: Gland packing when installed See also the Construction (see Chapter 3, page 5) chapter or, in the installation, operating and maintenance instructions for the GEMÜ 312/314, the "Installing the valve" chapter and the "Sectional drawings" chapter. 5.1 Gland packing construction... -
Page 8: Removing The Actuator
6. Undo and remove hexagon nut 28 on valve plug 15 with re- actuator is disassembled/assembled. taining washer 19. 5.2.1 Removing the GEMÜ 312 actuator 7. Move actuator A to the open position. 1. Move actuator A to the open position. ð Connection A-P open. -
Page 9: Installing New Gland Packing
▶ Only use minimum required pressure. 13. Tighten connecting bolts between cover and base of actu- ator A diagonally. 14. Slowly release the press. 15. Mount actuator A (Mounting the actuator (see Chapter 5.5, page 10)). www.gemu-group.com 9 / 16 GEMÜ 312, 314... -
Page 10: Mounting The Actuator
See also the Construction (see Chapter 3, page 5) chapter or, NOTICE in the installation, operating and maintenance instructions for Gasket! the GEMÜ 312/314, the "Installing the valve" chapter and the Replace the gasket 4 and gasket/O-ring 30 each time the "Sectional drawings" chapter. ●... -
Page 11: Removing The Actuator
6 Installing/removing the seat seal GEMÜ 314: Seat seal when installed 6.2.1 Removing the GEMÜ 312 actuator 1. Move actuator A to the open position. ð Connection AB-B open. 2. Undo and remove screws e, hexagon nuts b and washers c on seat flange d. -
Page 12: Removing The Seat Seal
Steel seat seal! 6. Insert gasket/O-ring 30 into seat flange d. ▶ The steel seat seal may only be replaced by GEMÜ. 7. Connect valve body 1 and the seat flange using screws, Send the complete valve to GEMÜ together with a com- washers and nuts. -
Page 13: Wearing Parts Kits
7 Wearing parts kits 7 Wearing parts kits 7.2 GEMÜ 314 wearing parts kits 7.2.1 SKV wearing parts kit 7.1 GEMÜ 312 wearing parts kits Item Name Order designation 7.1.1 SKV wearing parts kit Actuator 314...SKV... Item Name Order designation... -
Page 14: 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 15 GEMÜ 312, 314 15 / 16 www.gemu-group.com...
- Page 16 GEMÜ Gebr. Müller Apparatebau GmbH & Co. KG Fritz-Müller-Straße 6-8, 74653 Ingelfingen-Criesbach, Germany Subject to alteration Phone +49 (0) 7940 1230 · info@gemue.de www.gemu-group.com 01.2025 | 88941307...
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