Symbol Meaning 1.3 Definition of terms Corrosive chemicals! Working medium The medium that flows through the GEMÜ product. Control function Hot plant components! The possible actuation functions of the GEMÜ product. Control medium The medium whose increasing or decreasing pressure causes the GEMÜ...
In cases of uncertainty: 3.2 Description 15. Consult the nearest GEMÜ sales office. The GEMÜ 615 2/2-way diaphragm valve has a low-mainten- ance plastic piston actuator and is pneumatically operated. An integrated optical position indicator is standard. Normally Closed (NC), Normally Open (NO) and Double Acting (DA) con- trol functions are available.
The month of manufacture is encoded in the traceability num- the maintenance process much more transparent and easier ber and can be obtained from GEMÜ. The product was manu- to document. The app actively guides the maintenance techni- factured in Germany.
D mechanically polished internal Clamp DIN 32676 series C, Ra ≤ 0.6 µm (25 µin.) for media wetted surfaces, 1508 face-to-face dimension FTF ASME BPE, electropolished internal/external length only for body configuration D www.gemu-group.com 7 / 27 GEMÜ 615...
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8 Actuator version Actuator size 1/N 9 Surface 1500 Ra ≤ 6.3 μm (250 μin.) for media wetted surfaces, mechanically polished internal 10 Special version Special version for oxygen, maximum medium temperature: 60 °C 11 CONEXO Without GEMÜ 615 8 / 27 www.gemu-group.com...
In general, all diaphragms are subject to the influences of pressure, temperature, the process and their tightening torques. Therefore the Kv values may exceed the tolerance limits of the stand- ard. GEMÜ 615 10 / 27 www.gemu-group.com...
Code 17: Spigot EN 10357 series A/DIN 11866 series A formerly DIN 11850 series 2 Code 60: Spigot ISO 1127/EN 10357 series C/DIN 11866 series B 2) Valve body material Code C3: 1.4435, investment casting www.gemu-group.com 13 / 27 GEMÜ 615...
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Code 65: Spigot ANSI/ASME B36.19M schedule 40s 2) Valve body material Code 40: 1.4435 (F316L), forged body Code 42: 1.4435 (BN2), forged body, Δ Fe < 0.5% Code C3: 1.4435, investment casting Code F4: 1.4539, forged body GEMÜ 615 14 / 27 www.gemu-group.com...
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Dimensions in mm MG = diaphragm size n = number of flats 1) Connection type Code 1: Threaded socket DIN ISO 228 2) Valve body material Code 12: CW614N, CW617N (brass) Code 37: 1.4408, investment casting www.gemu-group.com 15 / 27 GEMÜ 615...
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MG = diaphragm size 1) Connection type Code 6K: Cone spigot and union nut DIN 11851 2) Valve body material Code 40: 1.4435 (F316L), forged body Code 42: 1.4435 (BN2), forged body, Δ Fe < 0.5% GEMÜ 615 16 / 27 www.gemu-group.com...
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108.0 108.0 Dimensions in mm MG = diaphragm size 1) Valve body material Code 40: 1.4435 (F316L), forged body Code 42: 1.4435 (BN2), forged body, Δ Fe < 0.5% Code F4: 1.4539, forged body www.gemu-group.com 17 / 27 GEMÜ 615...
"Technical data"). operating conditions (medium, medium concentration, temperature and pressure) and the prevailing ambient 4. Do not store solvents, chemicals, acids, fuels or similar conditions. fluids in the same room as GEMÜ products and their spare parts. NOTICE 8.4 Delivery Tools ●...
Retighten the bolts and nuts at the very latest after the ● first sterilization process. ● Re-attach or reactivate all safety and protective devices. Fig. 3: Threaded socket www.gemu-group.com 19 / 27 GEMÜ 615...
Control function 2: connector 2 is closed with a blanking plug. Control function Connectors 1 (NC) 2 (NO) 3 (DA) + = available / - = not available (see figure for connectors 2 / 4) GEMÜ 615 20 / 27 www.gemu-group.com...
(water hammer). CAUTION Cleaning agent ▶ Damage to the GEMÜ product. The plant operator is responsible for selecting the clean- ● ing material and performing the procedure. 1. Check the tightness and the function of the product (close and reopen the product).
Tighten threaded connections / unions Sealing material faulty Replace sealing material Valve body is leaking Valve body is leaking Check valve body for damage, replace valve body if necessary * see chapter "Spare parts" GEMÜ 615 22 / 27 www.gemu-group.com...
● by trained personnel. 2. Remove the actuator A from the valve body 1. Do not extend hand lever. GEMÜ shall assume no liability ● 3. Move the actuator A to the closed position. whatsoever for damages caused by improper handling or third-party actions.
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6. If it is difficult to screw it in, check the thread, replace Anti-twist damaged parts (only use genuine parts from GEMÜ). system 7. When clear resistance is felt, turn back the diaphragm an- ticlockwise until its bolt holes are in correct alignment with the bolt holes of the actuator.
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.
Declaration of Incorporation according to the EC Machinery Directive 2006/42/EC, Annex II, 1.B for partly completed machinery Manufacturer: GEMÜ Gebr. Müller Apparatebau GmbH & Co. KG Postfach 30 Fritz-Müller-Straße 6-8 D-74653 Ingelfingen-Criesbach Description and identification of the partly completed machinery: Make: GEMÜ...
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