Analyical Scientific Instruments

SSI/Lab Alliance

ASI Check Valves are a High Performance
Upgrade for Your SSI Pump

ASI Self-priming Check Valves

SSI 200, 220, 222, 300, 350 SS

Description OEM Part Number ASI Part Number
Inlet Check Valve
(Cartridge & Housing)
02-0162 250-1740*
Inlet Cartridge   250-1720*
Inlet Housing   250-1730
Outlet Check Valve
(Cartridge & Housing)
02-0163 250-1745*
Outlet Cartridge   250-1725*
Outlet Housing   250-1735

SSI Accuflow Series 1, 2, 3, 4 SS

Description OEM Part Number ASI Part Number
Inlet Check Valve
(Cartridge & Housing)
902242 250-1770*
Inlet Cartridge   250-1850*
Inlet Housing   250-1760
Outlet Check Valve
(Cartridge & Housing)
902243 250-1775*
Outlet Cartridge   250-1755*
Outlet Housing   250-1765
Replacement Filter 5/Pack   250-1130
* If you wish to specify ceramic ball & seat, add a "C" to end of part number.

SSI Accuflow Series 1, 2, 3, 4 PEEK

Description OEM Part Number ASI Part Number
Inlet Check
Direct Replacement
902242 250-1752*
Outlet Cartridge
Direct Replacement
  250-1757*
* If you wish to specify ceramic ball & seat, add a "C" to end of part number.

SSI Alliance Prep 24, 100

Description OEM Part Number ASI Part Number
Inlet Check Valve
(Cartridge & Housing)
  250-1743*
Inlet Cartridge   250-1723*
Inlet Housing   250-1733
Outlet Check Valve
(Cartridge & Housing)
  250-1748*
Outlet Cartridge   250-1728*
Outlet Housing   250-1738
* If you wish to specify ceramic ball & seat, add a "C" to end of part number.

ASI Replacement Piston Seals

SSI 200, 220, 222, 300, 350 Standard Head

Description OEM Part Number ASI Part Number Material
Piston Seal N/A 200-1340 UHMW-PE
Piston Seal 10/Pack   200-1345 UHMW-PE
Piston Seal  N/A 200-1344 UHMW-PE
Piston Seal 10/Pack   200-1349 UHMW-PE
Piston Seal 10/Pack   200-1345 UHMW-PE

SSI Accuflow Series 2, 3, 4

Description OEM Part Number ASI Part Number Material
Piston Seal 901168 200-1342 UHMW-PE
Piston Seal 10/Pack   200-1343 UHMW-PE
Wash Seal 902029 200-1346 UHMW-PE
Wash Seal 10/Pack   200-1347 UHMW-PE
Piston Seal   200-1336 Teflon
Piston Seal 10/Pack   200-1337 Teflon
Wash Seal   200-1338 Teflon
Wash Seal 10/Pack   200-1339 Teflon
Replacement Kit
Piston Seal
Piston Seal Backup Ring
Wash Seal
Wash Seal Backup Ring
O-Ring included
120680 200-1341 UHMW-PE

ASI Replacement Pistons

SSI 200, 220, 222, 300, 350

Description OEM Part Number ASI Part Number Material
Piston 12-0101 260-1205 Sapphire Rod
Self-flush Piston 12-0567 260-1200 Sapphire Rod

SSI Accuflow Series 2, 3, 4

Description OEM Part Number ASI Part Number Material
Piston 12-1486 260-1210 Sapphire Rod