Used in numerous process and auxiliary fluid applications, the Definox butterfly valve has various grades of seals and numerous accessories which make it a polyvalent and reliable product.
Features
- Reliable and economical technology
- Quick assembly and disassembly
- Can be used for a variety of applications
- Low pressure loss and line transfer without retention
- Easy to adjust operating devices
Materials
- Half body: stainless steel 1.4404/316L
- Disc: stainless steel 1.4404/316L
- Seal: EPDM - fluorinated elastomer (FKM) or silicon
- Operating devices: stainless steel 1.4301/304
Service conditions
-
Max. temperature: +120oC / +248oF
(temperature depending on seal type) -
Min. temperature: 0oC / +32oF
- Max. working pressure:
- 14 bar (1400 kPa)/203 psi DN 25 to DN 51
- 12 bar (1200 kPa)/174 psi DN 63 to DN 80
- 10 bar (1000 kPa)/145 psi DN 100
- 8 bar (800 kPa)/116 psi DN 125 to DN 150
- Actuator air supply pressure:
- min. 5.5 bar (550 kPa)/80 psi
- max. 8 bar (800 kPa)/116 psi
- Vacuum resistance: 0.4 cm3/s
