The PrimeLine In-Line check valve incorporates many of the innovations of our HPLC self-priming replacement check valves. It is a rapid-closure cartridge valve that features very low resistance to flow, low internal volume, and operates independently of gravity. It features crush-proof construction. The valve may be used whenever flow needs to be restricted to one direction. Applications include prevention of post column derivatization fluids from back-flowing into the column in the event of mobile phase pump failure.
1/8" ball cartridge is protected from solvent contamination by a .250" diameter x .062" thickness 10 micron frit. If you see a large pressure drop across the valve with 1/8" ball cartridge version when you run at a very high flow rates, for example at 100 mL/min., please contact us for the solution.
This in-line CV is available for Acetonitrile-resistant version. High Temperature version that will operate at up to 200°C at 5,000 PSI is available. Link to High Temperature Version
1/16" ball In-line CV is suitable for SFC application. If you are interested in 1/8" ball or 3/16" In-line CV for SFC application, please visit SFC Application Version.
In-Line 3/16" ball CV, P/N: 250-2001/ACN Specification
In-Line 1/8" ball CV, P/N: 250-2000/ACN Specification
In-Line Check Valve 15,000 PSI with 3/16", 1/8" & 1/16" Ball Cartridge
- Specifications:
- Internal Volume:
- 15 µL (1/16" ball cartridge)
- 35 µL (1/8" ball cartridge)
- 40 µL (3/16" ball cartridge)
- Cracking Pressure: 1.0 PSI
- Maximum Operating Pressure for Operating Temperature 40°C Max: 15,000 PSI
- Ports size: 10-32 CPI (standard HPLC fittings for 1/16" tube)
- 1/16" ball cartridge: Cv*: 0.002 (Cv* of 1.0 is defined as one gallon per minute of 60°F water resulting from a 1 PSI pressure drop. 1 gallon = 3785 mL)
- 1/8" ball cartridge: Cv*: 0.005 (Cv* of 1.0 is defined as one gallon per minute of 60°F water resulting from a 1 PSI pressure drop. 1 gallon = 3.785 mL)
- 3/16" ball cartridge: Cv*: 0.02 (Cv* of 1.0 is defined as one gallon per minute of 60°F water resulting from a 1 PSI pressure drop. 1 gallon = 3.785 mL)
- Part Number:
- 250-2000
- Wetted Material:
- 316 Stainless Steel, Ruby & Sapphire and PEEK (1/16" ball) / Teflon (1/8" ball) / Teflon & PEEK (3/16" ball)