3 Product description ........... Construction ............Description ............Function ............... Product label ............ATEX label ............4 GEMÜ CONEXO ............5 Correct use ............... Product without special function X ....Product with special function X ......6 Order data ..............Order codes ............
– Lists 1.3 Definition of terms Corrosive chemicals! Working medium The medium that flows through the GEMÜ product. Control function GEMÜ products without an operator! The possible actuation functions of the GEMÜ product. Control medium The medium whose increasing or decreasing pressure causes Hot plant components! the GEMÜ...
14. Do not carry out any maintenance work and repairs not de- GG25, polyurethane scribed in this document without consulting the manufac- coated turer first. In cases of uncertainty: 15. Consult the nearest GEMÜ sales office. www.gemu-group.com 5 / 36 GEMÜ R487...
4 GEMÜ CONEXO The interaction of valve components that are equipped with The GEMÜ R487 Victoria soft seated metal butterfly valve is RFID chips and an associated IT infrastructure actively in- manually operated. It has a hand lever or gearbox depending crease process reliability.
Index X is applied to the ATEX marking. The following special conditions must be complied with: – Temperature class depending on the temperature of the conveyed medium and the clock frequency – Not permissible as an end-of-line valve www.gemu-group.com 7 / 36 GEMÜ R487...
6 Order data 6 Order data Other configurations available on request.Please check the availability with GEMÜ before ordering. Products ordered with bold marked ordering options are so-called preferred series. Depending on the nominal size, these are available more quickly. Order codes...
9 Shut-off seal material EPDM 10 Liner fixing Loose liner 11 Type of design Without 12 Special version Without 13 Control function Manually operated (MO) 14 Actuator version AHL11 Hand lever, aluminium 15 CONEXO without www.gemu-group.com 9 / 36 GEMÜ R487...
3 bar 10 bar 16 bar Torques in Nm Working medium water (20 °C) and optimal operating conditions Butterfly valves with bonded liner: the torques must be multiplied by the factor 1.3 Weight: Butterfly valve www.gemu-group.com 11 / 36 GEMÜ R487...
"Technical data"). Danger – bodily injury! 4. Do not store solvents, chemicals, acids, fuels or similar fluids in the same room as GEMÜ products and their spare ▶ Risk of severe injury! parts. Before performing any work on the ●...
13. Secure the plant or plant component against recommis- product. If media is contaminated and DN ≥ 300, install sioning. GEMÜ R487 horizontally, so that the lower edge of the disc 14. Depressurize the plant or plant component. opens in-line with flow direction.
10 Installation in piping 4. The inside diameter of the piping must match the nominal 10.3 Installation of the standard version diameter of the GEMÜ product. CAUTION 5. The diameter of the pipe flanges should be, in compliance with the respective nominal size, between "D max" and "D Damage! min"...
15. Tighten the nuts 5 diagonally until the flanges fit tightly on ▶ Damage to the GEMÜ product. the body. When using the GEMÜ product as an Observe the permissible tightening torque of the bolts ● end-of-line valve, a mating flange must (see "Mechanical data").
Fig. 2: Detail of latch setting of hand lever AHL / DAHL 1. Press locking device 6 upwards. 2. Move the hand lever 1 to the desired position and latch. 12.2 Operating hand lever SAHL Fig. 3: Construction of hand lever SAHL www.gemu-group.com 25 / 36 GEMÜ R487...
Incorrect installation Check installation of valve body in piping Increased switching noises when opening When the disc is in the closed position, Use the product regularly the product this may cause a higher breakaway torque GEMÜ R487 26 / 36 www.gemu-group.com...
WARNING CAUTION Corrosive chemicals! Use of incorrect spare parts! ▶ Risk of caustic burns. ▶ Damage to the GEMÜ product. Wear suitable protective gear. ▶ Manufacturer liability and guarantee will be void. ● Completely drain the plant. Use only genuine parts from GEMÜ.
6. Repeat steps 1 to 4 until the L dimension has been reached. 7. In the open position, the disc must be set to 90°, otherwise the Kv value will be reduced. L [mm] W [°] 10.0 11.0 11.8 12.6 13.4 14.1 15.5 GEMÜ R487 28 / 36 www.gemu-group.com...
15 Spare parts 15.1 Ordering spare parts CAUTION Use of incorrect spare parts! ▶ Damage to the GEMÜ product. ▶ Manufacturer liability and guarantee will be void. Use only genuine parts from GEMÜ. ● When ordering spare parts, please provide the following information: 1.
15 Spare parts 15.2 Lug Item Name Order designation Coated metallic valve body Bush Threaded plug O-ring Axis R480…SVK… Shaft Support ring O-ring Bush Hexagon head bolt with pin Liner R480…SLN… Butterfly disc R480…SDS… GEMÜ R487 30 / 36 www.gemu-group.com...
15 Spare parts 15.3 Wafer Item Name Order designation Coated metallic valve body Bush Threaded plug O-ring Axis R480…SVK… Shaft Support ring O-ring Bush Hexagon head bolt with pin Liner R480…SLN… Butterfly disc R480…SDS… www.gemu-group.com 31 / 36 GEMÜ R487...
SVK wearing parts kit"). 2. Disassemble the SDS wearing parts kit (see chapter "Re- placing SDS wearing parts kit"). 3. Remove the liner 11. 4. Assemble the wearing parts kit in reverse order. GEMÜ R487 32 / 36 www.gemu-group.com...
2. Remove in reverse order to installation. goods can be processed only when this note is completed. If no return delivery note is included with the product, GEMÜ 17 Disposal cannot process credits or repair work but will dispose of the 1.
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GEMÜ Gebr. Müller Apparatebau GmbH & Co. KG Fritz-Müller-Straße 6-8 74653 Ingelfingen-Criesbach, Germany declare that the following product Make: GEMÜ butterfly valve, metal, for operation with hand lever or gearbox Serial number: from 20.03.2018 Project number: KL-Metall-Hand-2018-03 Commercial name: GEMÜ...
DN250–DN600 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. According to Article 4, Paragraph 3 of the Pressure Equipment Directive 2014/68/EU these products must not be identified by a CE-label.
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