Wet end materials reference – Nova-Tech Pulsafeeder OMNI DC7 User Manual
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10. Wet End Materials Reference
Wet End
Configuration
Model Connection Head
Guide
Sealing
O-rings
Balls Seats
Seat O-
ring
DC2
1/4" NPT
DC3
DC4
1/2" NPT or ISO 7-1
DC5
DC6
1" NPT or ISO 7-1
PTFE PVDF
n/a
PVDF
(Kynar
®
)
DC7
1 1/2" NPT & ANSI
Flange and
DIN40 Flange
PVDF PVDF
Viton
®
Ceramic
PVDF (o-
ring seat)
Viton
®
(1)
DC2
DC3
DC4
n/a n/a
DC5
DC6
1" NPT or
I
ISO 7-1
PTFE PP
n/a
PP
(Polypropylene)
DC7
1 1/2" NPT & ANSI
Flange and
DIN40 Flange
PP PP
Viton
Ceramic
PP (o-ring
seat)
Viton
®
(1)
DC2
1/4" NPT
Ceramic PTFE
DC3
DC4
1/2" NPT or ISO 7-1
DC5
DC6
1" NPT or ISO 7-1
SS SS PTFE
SS SS
SS
(316)
DC7
n/a
n/a
(1) DC7 check valve seats incorporate an o-ring seal
DC2 through 6 models are covered in a separate publication
n/a = materials not available in this pump size or component not used on this model