VALVES
145
Shut-OffValves
XX
Biocompatible, all-polymer flowpath
XX
Available for 1/16” and1/8”OD tubing
XX
Pressure rated to 500psi (34bar)
Stop a flow streamquicklywithUpchurchScientific
®
biocompatible
Shut-Off Valves. The bodies aremanufactured from either PEEK
or ETFE, and both versions feature a PCTFE rotor, making them
highly resistant to chemical attack. Theblue colorant used in some
valve configurations has proven not to leach out with common
HPLC solvents.
Connect semi-rigidor rigid tubing, such as PEEK, stainless steel or
fluoropolymer,withthe1/4-28FlangelessFittingsprovided.Softtubing,
such as PharMed
®
or Tygon
®
(seepages 75–89),may be connected
to these valvesusingour 1/4-28barbedadapters, foundonpage58.
P-733
PEEKShut-Off Valve
P-783
ETFEShut-Off Valve
1.07”
(2.72cm)
1.00”
(2.54cm)
0.145”
(0.37cm)
diameter
0.50”
(1.27cm)
Biocompatible
PartNo. Material
OD
Tubing Thru-hole
Internal
Volume* Includes
SHUT-OFFVALVES
P-721
ETFE, Natural
1/8”
0.040” (1.0mm)
10.0µL
(2) P-335, (2) P-300N
P-732
PEEK, Natural
1/16” 0.020” (0.5mm)
2.5µL
(2) XP-235
P-733
PEEK, Natural
1/8”
0.040” (1.0mm)
10.0µL
(2) XP-335
P-782
ETFE, Blue
1/16” 0.020” (0.5mm)
2.5µL
(2) XP-235
P-783
ETFE, Blue
1/8”
0.040” (1.0mm)
10.0µL
(2) XP-335
*Maximum internal volume,withvalve fullyopen.
Switching& Shut-Off Valves
