Product Information
HAN: | 88389414 |
Category: | GEMÜ 491 Edessa Pneumatically operated butterfly valve |
Operating pressure: | 10 bar |
Type: | Butterfly valve, pneumatically operated Edessa |
DN: | DN 65 |
Gehäuseform: | Flange-mounted version (Lug), length FTF EN 558 series 20 |
Connection type: | PN 16 / flange EN 1092, face-to-face dimension FTF EN 558 series 20 |
Body material: | 1.4408 |
Control function: | Ra ≤ 0.8 µm (30 µin.) for media wetted surfaces, in accordance with DIN 11866 H3, mechanically polished internal |
Actuator version: | Actuator, pneumatic, double acting, clockwise rotation, ADA0040U F05 S14S11 |
Seat (liner): | PTFE/silicone FDA approval |
Disc/shaft material: | 1.4469, DUPLEX, steel, for DN 40 - DN 200 (disc/shaft), 1.4404 / 316L, stainless steel, for DN 250 - DN 1200 (disc), 1.4462, DUPLEX, steel, for DN 250 - DN 1200 (shaft) |
Actuator particulars: | Anodized aluminium |
Product Description
491 65L233SPS3 BU04AB0 / 88389414
Description
The Gemue 491 Edessa PTFE lined butterfly valve has a metal actuator and is pneumatically operated. The "Normally Closed", "Normally Open" and "Double Acting" control functions are available. Disc and shaft are one piece, body and liner are available in different designs. The butterfly valve is available in nominal sizes DN 25 to 600 and in standard installation lengths ISO 5752/20 | EN 558-1/20 | API 609 category A (DIN 3202 K1) in wafer and lug body versions.
Features
- Suitable for chemically corrosive media
- High-quality selection of materials can be combined in different ways
- High level of plant reliability thanks to one-piece shaft and spring-washer-supported seal system
- Long service life thanks to shaft bearings and special disc and liner geometry
- Optional accessories are installed, set and tested so they are ready for operation
Technical specifications
Media temperature: | -20 to 200 °C |
Media temperature: | -20 to 200 °C |
Ambient temperature: | -20 to 95 °C |
Operating pressure : | 0 to 10 bar |
Nominal sizes: | DN 25 to 600 |
Body configurations: | Lug | Wafer |
Connection standards: | AS | ASME | DIN | EN | ISO | JIS |
Body materials: | 1.4404, block material | EN-GJS-400-18-LT, SG iron material | S355J2 + N, cast steel material | VE Duroplast, reinforced |
Body coating: | Epoxy |
Liner materials: | PTFE / silicone | PTFE TFM™/EPDM | PTFE TFM™/FKM | PTFE TFM™/silicone | PTFE/EPDM | PTFE/FKM |
Disc materials: | 1.4404 (316L), forged material | 1.4469, Duplex cast steel material | 2.4602 (alloy 22), block material | 3.7035, titan |
Disc coating: | PFA |
Conformities: | ATEX | EAC | FDA | Functional safety | TA Luft (German Clean Air Act) | USP |
Manufacturer according to GPSR
GEMÜ Gebr. Müller Apparatebau GmbH & Co. KG, Fritz-Müller-Straße 6–8, 74653 Ingelfingen, Baden-Württemberg, Deutschland, info@gemue.de, https://www.gemu-group.com/