Features
- No product entrapment areas that prevents the development of bacteria
- Retained passage diameter
- Low loss of pressure
- Quick assembly and disassembly; easy maintenance
- Easy to adjust operating devices
- Machined solid body to guarantee good material uniformity
- Valve can be washed and sterilised
- Leak detection in case of deterioration of the diaphragm
Materials
- Body: stainless steel 1.4404/ 316L
- Handle: plastic material PBT (thermoplastic polymer polyester), stainless steel 1.4301 / 304 on request
- Actuator: stainless steel 1.4301 / 304
- Diaphragm: uniform composite diaphragm (PTFE and elastomer) FDA/3A certified, EPDM or silicon diaphragm
Service conditions
- Max. temperature: +140oC/+284oF
- Min. temperature: 0oC/+32oF
- Max. working pressure:
- 10 bar (1000kPa) / 145 psi elastomer diaphragm from DN10 to DN25
- 6 bar (600 kPa)/ 87 psi elastomer diaphragm from DN32 to DN51
- 8 bar (800 kPa)/ 116 psi PTFE diaphragm
- Vacuum resistance elastomer diaphragm: 10-6 mbar, helium tightness (leakage rate): 10-6 atm.cm3/s
- Vacuum resistance PTFE diaphragm: 10-3 mbar, helium tightness (leakage rate): 10-3 atm.cm3/s
- Actuator air supply pressure:
- min. 5.5 bar (550 kPa)/80 psi
- max. 8 bar (800kPa)/116 psi
- Fatigue resistance:
- 100 000 cycles elastomer diaphragm
- 40 000 cycles PTFE diaphragm