size options and process connection options exist but will require longer delivery times. These available
options are outlined in the tables below.
OD3"
OD4" (Std.)
Tri Clamp
(Standard)
DIN 11864-3
(Clamp Union,
Feral Collar Side)
NOTE:
supplies the Non O-ring / Collar side; the mated O-ring Groove side & clamps are not
Processtec
ViscoTwin
included with the
PROCESSTEC INC. 2022
There is also an Eco Pump Face. This is an economic option pum-
ping less viscous or more robust product that can withstand the ra-
pid pressure changes and turbulent flows addressed in the NPSH
pump face.
Both the NPSH Optimized and Dual Port Pump Faces are
standardized on 4"OD and a Tri-Clamp connection. Several other
PORT SIZE OPTIONS
OD5"
OD6"
PROCESS CONNECTION OPTIONS
DIN 11851
Varivent Flange
Pump.
1. ABOUT VISCOTWIN SCREW PUMPS
DN80
DIN 11864-1
(Screwed Union)
Butt Weld
DN100
DN125
DIN 11864-2
(Flange Union)
Short Pipe
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