151
Check Valves &Pressure Regulators
CV-3001
Inline Check Valve Cartridge
1.04”
(2.64 cm)
0.42”
(1.07 cm)
1.92”
(4.88 cm)
CV-3000
Inline Check Valve
Includes (1) CV-3001
Cartridge and Flangeless
Fittings for 1/16” OD tubing
InlineCartridgeCheck Valves
Low cracking pressures
Less than 150 µL internal volume
Materials of construction: PEEK; perfuoroelastomer (CV-3001);
gold-plated stainless steel spring (CV-3001); ethylene propylene
(CV-3011); and stainless steel spring (CV-3011)
Upchurch Scientifc
®
cartridge-style InlineCheck Valves are designed to
limit fow toonedirection. These assemblies withstand systempressures
of 1,000 psi (69 bar). The cracking pressures for the Inline Check Valve
Cartridges are 1.5 psi (0.1 bar) for the CV-3001 and 3 psi (0.2 bar)
for the CV-3011. Tolerance on the cracking pressure for CV-3001 is
± 0.5 psi (0.03 bar) and ± 1.5 psi (0.1 bar) on CV-3011.
Quick-StopLuer InlineCheck Valve
Check valve protection with luer convenience
Remains open when engaged
Materials of construction: PEEK
™
, perfuoroelastomer,
and gold-plated stainless steel spring
The Quick-Stop Luer Check Valve is designed to provide inline luer
connect/disconnect convenience without the mess and hazard of
spills. Just connect the valve assembly to your inline tubing using
standard 1/4-28 fat-bottomfttings (see pages 22–29). The check valve
is automatically opened once the luer connection is engaged, allowing
fow in either direction. Disconnecting the luer union causes the check
valve to close. Please see the “Application Note” box on this page for
specifc ideas regarding use of this valve.
P-655
P-697
P-696 Quick-Stop Luer Check Valve Assembly
Part No. Description
Includes
Swept Volume
Quick-Stop Luer Check Valve
P-696 Quick-Stop Luer
Check Valve Assembly
(1) P-697, (1) P-655
127 µL
P-697 Quick-Stop Luer Check Valve
107 µL
P-698 Bulkhead Quick-Stop
Luer Valve Assembly
(1) P-699, (1) P-655,
(1) nut/lock washer set
127 µL
P-699 Bulkhead Quick-Stop
Luer Valve
(1) nut/lock washer set 107 µL
INLINE cartridge CHECK VALVES
CV-3000 Inline Check Valve Assembly
for 1/16” OD tubing
(1) CV-3001, (2) XP-215 96 µL
CV-3001 Inline Check Valve Cartridge
for CV-3000
91 µL
CV-3010 Inline Check Valve Assembly
for 1/8” OD tubing
(1) CV-3010, (2) XP-315 100 µL
CV-3011 Inline Check Valve Cartridge
for CV-3010
92 µL
Inline Check Valves
Inlet Solvent Reservoir:
Quickly change your solvent on the low pressure end of an HPLC system,
while preventing potentially hazardous spills! Just install a Quick-Stop Luer
Check Valve Assembly between your solvent reservoir and the pump, with
the valve towards the bottle. The valve will prevent solvent leakage from the
line coming from the reservoir, while the check valves in your pump prevent
spills from the line leading to the pump. With both lines still full of solvent,
this system also helps reduce the need to reprime your pump.
FIA Sample Injection:
The Quick-Stop Luer Check Valve provides a practical means to introduce a
sample into FIA and other low pressure systems, when used in conjunction
with a P-612 Pressure Relief Valve Tee (page 154). Simply connect the Tee
into the appropriate fow path line with the included fttings and thread
the P-697 Quick-Stop Luer Valve onto the 1/4-28 male end of the Tee.
Sample can then be introduced conveniently by using a standard luer-
tipped syringe. The check valve is automatically opened when the syringe is
attached and closed when the syringe is removed.
Post Column Derivitization:
For post-column derivitization, place a CV-3000 Inline Check Valve on the
effuent side of your column to prevent derivatizing agents from fowing
backwards and poisoning the column. Placement on the post-column
reagent line will also prevent mobile phase from contaminating the reagent
if the auxiliary pump fails.
Helium Sparging Tank Protection:
Try the CV-3010 Assembly, designed specifcally for degassing (sparging)
lines to prevent solvent backup if the sparging gas runs out. This check valve
will help prevent potential solvent cross-contamination and damage to the
gas regulating valve.
Application Note
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