4 technical data – VEGA VEGADIF 34 … 51 User Manual
Page 8

8
VEGADIF 34 … 51
20094-EN-030731
Product description
1.4 Technical data
Mechanical data
Materials, wetted parts
VEGADIF 34
- diaphragm
Aluminium oxide ceramic (Al
2
O
3
)
- process seal
FPM, Hastelloy C4 PTFE-plated, EPDM,
FPM for oxygen application, Kalrez
- process fitting
carbon steel C22.8 chromized 1.0460,
stainless steel 1.4571 or 1.4404, Hastelloy C276
2.4819, PVDF (PN 10)
- ventilation valves
stainless steel 1.4571 or 1.4404, Hastelloy C276
2.4819 (only with process fitting Hastelloy)
VEGADIF 35
- separating diaphragms
stainless steel 1.4401
- process seal
FPM, NBR, PTFE, FPM for oxygen applications
- process fitting
carbon steel C22.8 chromized 1.0460
stainless steel 1.4571 or 1.4404, Hastelloy C276
2.4819
- ventilation valves
stainless steel 1.4571 or 1.4404, Hastelloy C276
2.4819 (only with process fitting Hastelloy)
VEGADIF 44
- diaphragm
Aluminium oxide ceramic (Al
2
O
3
)
- process seal
FPM, Hastelloy C-4 PTFE-plated, EPDM,
FPM for oxygen application, Kalrez
- process fitting (plus side)
carbon steel C22.8 chromized 1.0460,
stainless steel 1.4571, stainless steel 1.4571
PTFE coated
Hastelloy C276 2.4819
- process fitting (minus side)
carbon steel C22.8 chromized 1.0460,
stainless steel 1.4571 or 1.4404, Hastelloy C276
2.4819
VEGADIF 45
- isolating diaphragm
stainless steel 1.4435
- process flange (plus side)
stainless steel 1.4435
- process flange (minus side)
carbon steel C22.8 chromized 1.0460,
stainless steel 1.4571 or 1.4404, Hastelloy C276
2.4819
VEGADIF 51
- isolating diaphragm
stainless steel 1.4435
- process fitting
carbon steel C22.8 chromized 1.0460,
stainless steel 1.4571 or 1.4404, Hastelloy C276
2.4819