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Varian
ASI Check Valves are a High Performance
Upgrade for Your Varian Pump
Replacement Check Valves
Self-priming With the ASI
valve, priming is easy. Open the pump outlet and turn on the pump. Your pump will prime itself, even if the head and intake
lines are completely dry. You won't need to use a syringe or draw-off valve to prime your pump.
Rugged Construction The valve will not crush, crack, or leak due to high pressure. We designed
the ASI cartridge so that loads are transmitted through
the valve casing rather than the seat, as in conventional designs.
Convenient and Economical Cartridge Design When it's time for routine maintenance, you
only need to replace the cartridge, not the entire assembly. The ASI
cartridge costs no more than most conventional valve rebuild kits, and you won't spend time chasing ruby balls all over
the lab bench.
Pre-tested Every ASI
valve is tested prior to shipping to ensure it passes a stringent set of performance specifications.
Click here for more information
about ASI check valves.
Replacement Piston Seals and Pistons
ASI pump seals and pistons have been
developed to reduce pump downtime. Our UHMW-PE piston seal material is compounded with other proprietary polymers to provide
lower friction and better solvent resistance than pure UHMW-PE. It generally provides much longer service life than Teflon
and generates less wear material, and we recommend it for most applications. Our Teflon piston seal has a proprietary additive
to increase resistance to cold flow, and improve wear characteristics. Teflon is inert to any HPLC mobile phase.
Click here for a detailed guide
to selecting the best material.
ASI Self-priming Check Valves
Varian 2010, 2510
| Description |
OEM Part Number |
ASI Part Number |
Inlet Check
Valve
(Cartridge & Housing) |
03-997261-09 |
250-1580* |
| Inlet Cartridge |
|
250-1560* |
| Inlet Housing |
|
250-1570 |
Outlet
Check Valve
(Cartridge & Housing) |
03-997261-10 |
250-1585* |
| Outlet
Cartridge |
|
250-1565* |
| Outlet Housing |
|
250-1575 |
Varian 5000, 5020, 5060
| Description |
OEM Part Number |
ASI Part Number |
Outlet Check Valve
(Cartridge & Housing) |
03-905201-00 |
250-1355* |
| Outlet Cartridge |
|
250-1345* |
| Outlet Housing |
|
250-1350 |
| Replacement Filter 5/Pack |
|
250-1130* |
Varian 9010, 9012, 9020, 220, 230, 240
| Description |
OEM Part Number |
ASI Part Number |
Outlet Check Valve
(Cartridge & Housing) |
03-919465-90 |
250-1555* |
| Outlet Cartridge |
|
250-1535* |
| Outlet Housing |
|
250-1545 |
| Replacement Filter 5/Pack |
|
250-1220* |
Varian PrepStar SD-1
| Description |
OEM Part Number |
ASI Part Number |
Inlet/Outlet Cartridge
500/800 mL/min. Head |
R007105686/87 |
250-1980* |
Varian ProStar 210,218/Rainin SD200/300
| Description |
OEM Part Number |
ASI Part Number |
Inlet Check
Valve
5, 10 mL/min.
(Cartridge & Housing) |
R007101616 |
250-1610* |
Inlet Check
Valve
25 mL/min.
(Cartridge & Housing) |
R007101616 |
250-1640* |
Inlet Cartridge
5, 10 mL/min. |
|
250-1590 |
Inlet Cartridge
25 mL/min. |
|
250-1620* |
Inlet Housing
5, 10, and 25 mL/min. |
|
250-1600* |
Outlet
Check Valve
5, 10 mL/min.
(Cartridge & Housing) |
R007101617 |
250-1615 |
Outlet
Check Valve
25 mL/min.
(Cartridge & Housing) |
R007101617 |
250-1645* |
Outlet Cartridge
5, 10 mL/min. |
|
250-1595* |
Outlet Cartridge
25 mL/min. |
|
250-1625* |
Outlet
Housing
5, 10, and 25 mL/min. |
|
250-1605* |
* Our standard ball & seat is sapphire & ruby. If you wish to specify ceramic ball & seat, add a "C" to
end of part number.
ASI Replacement Piston Seals
Varian 2010, 2510
| Description |
OEM Part Number |
ASI Part Number |
Material |
| Piston Seal |
03-997261-37 |
200-1271 |
UHMW-PE |
| Piston Seal 10/Pack |
|
200-1276 |
UHMW-PE |
Varian 5000, 5020, 5060
| Description |
OEM Part Number |
ASI Part Number |
Material |
Piston Seal
w Backup washer |
27-459633-00 |
200-1270 |
UHMW-PE |
Piston Seal 10/Pack
w Backup Washer |
|
200-1275 |
UHMW-PE |
Varian 9010, 9012, 9020, 220, 230, 240
| Description |
OEM Part Number |
ASI Part Number |
Material |
| Piston Seal |
03-919397-00 |
200-1278 |
UHMW-PE |
| Piston Seal 10/Pack |
|
200-1279 |
UHMW-PE |
Varian ProStar 210,218/Rainin SD200/SD300
| Description |
OEM Part Number |
ASI Part Number |
Material |
| Piston Seal 5 mL/min. |
Rainin:
R007101634 |
200-1262 |
UHMW-PE |
| Piston Seal 5 mL/min 10/Pack |
|
200-1263 |
UHMW-PE |
| Piston Seal 10 mL/min. |
Rainin: R007101637 |
200-1264 |
UHMW-PE |
| Piston Seal 10 mL/min 10/Pack |
|
200-1265 |
UHMW-PE |
| Piston Seal 25 mL/min. |
Rainin:
R007101643 |
200-1266 |
UHMW-PE |
| Piston Seal 25 mL/min 10/Pack |
|
200-1267 |
UHMW-PE |
ASI Replacement Pistons
Varian 2010, 2510
| Description |
OEM Part Number |
ASI Part Number |
Material |
| Piston |
03-997261-08 |
260-1171 |
Sapphire Rod |
Varian 5000, 5020, 5060
| Description |
OEM Part Number |
ASI Part Number |
Material |
| Piston |
03-905337-00 |
260-1170 |
Sapphire Rod |
Varian 9010, 9012, 9020, 220, 230, 240
| Description |
OEM Part Number |
ASI Part Number |
Material |
| Piston |
03-919180-00 |
260-1175 |
Sapphire Rod |
Varian ProStar 210,218/Rainin SD200/300
| Description |
OEM Part Number |
ASI Part Number |
Material |
| Piston for 5 mL/min. |
Rainin:
R007101657 |
260-1176 |
Sapphire Rod |
| Piston for 10 mL/min. |
Rainin:
R007101658 |
260-1177 |
Sapphire Rod |
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