Nova-Tech Pulsafeeder OMNI DC2-DC6 - Manual (Page 26)

22
10. Wet End Materials Reference
Wet End
Configuration
Model Connection Head Guide
Sealing
O-rings
Balls Seats
Seat O-
ring
PVDF
(Kynar
®
)
DC2 1/4" NPT
PVDF PVDF
PTFE
Ceramic
PVDF n/a
DC3
1/2" NPT or ISO 7-1
DC4
DC5
1" NPT or ISO 7-1
DC6
DC7
1 1/2" NPT & ANSI
Flange and
1 1/2" DIN40 Flange
Viton
®
PVDF (o-
ring seat) Viton
®
(1)
PP
(Polypropylene)
DC2
n/a n/a DC3
DC4
DC5
1" NPT or I ISO 7-1
PP PP
PTFE
Ceramic
PP n/a
DC6
DC7
1 1/2" NPT & ANSI
Flange and
1 1/2" DIN40 Flange
Viton
PP (o-ring
seat)
Viton
®
(1)
SS
(316)
DC2 1/4" NPT
SS SS PTFE
Ceramic PTFE
n/a
DC3
1/2" NPT or ISO 7-1
SS SS
DC4
DC5
1" NPT or ISO 7-1
DC6
DC7 n/a n/a
(1) DC7 check valve seats incorporate an o-ring seal
DC7 model is covered in a separate publication
n/a = materials not available in this pump size or component not used on this model