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Analyical Scientific Instruments

Shimadzu

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

ASI Self-priming Check Valves

Shimadzu LC-600, LC-9A, LC-10AD

Description OEM Part Number ASI Part Number
Inlet Check Valve
(Cartridge & Housing)
228-18522-91 250-1480*
Inlet Cartridge   250-1460*
Inlet Housing   250-1470
Outlet Check Valve
(Cartridge & Housing)
228-18522-92 250-1485*
Outlet Cartridge   250-1465*
Outlet Housing   250-1475

Shimadzu LC-6A, LC-10AS

Description OEM Part Number ASI Part Number
Inlet Check Valve
(Cartridge & Housing)
228-12353-91 250-1482*
Inlet Cartridge   250-1462*
Inlet Housing   250-1472
Outlet Check Valve
(Cartridge & Housing)
228-09054-93 250-1487*
Outlet Cartridge   250-1467*
Outlet Housing   250-1477

Shimadzu LC-10ADVP, LC-20AD

Description OEM Part Number ASI Part Number
Inlet Check Valve
(Cartridge & Housing)
228-39093-92 & 228-45704-91 250-1481*
Inlet Cartridge   250-1461*
Inlet Housing   250-1471
Outlet Check Valve
(Cartridge & Housing)
228-34976-91 & 228-45705-91 250-1486*
Outlet Cartridge   250-1466*
Outlet Housing   250-1476

Shimadzu LC-10AT

Description OEM Part Number ASI Part Number
Inlet Check Valve
(Cartridge & Housing)
228-32166-91 250-1484*
Inlet Cartridge   250-1464*
Inlet Housing   250-1474
Outlet Check Valve
(Cartridge & Housing)
228-32531-92 250-1489*
Outlet Cartridge   250-1469*
Outlet Housing   250-1479

Shimadzu LC-10ATvp, LC-2010, LC-20AT

Description OEM Part Number ASI Part Number
Inlet Check Valve
(Cartridge & Housing)
228-32166-91 250-1483*
Inlet Cartridge   250-1463*
Inlet Housing   250-1473
Outlet Check Valve
(Cartridge & Housing)
228-34976-91 250-1488*
Outlet Cartridge   250-1468*
Outlet Housing   250-1478
* If you wish to specify ceramic ball & seat, add a "C" to end of part number.

ASI Replacement Piston Seals

Shimadzu LC-600, LC-9A, LC-10AD, LC-10ADvp, LC-10ATvp, LC-2010, LC-20AB, LC-20AD, LC-20AT

Description OEM Part Number ASI Part Number Material
Piston Seal 228-18745-00 & 228-35146-00 200-1420 Teflon
Piston Seal 10/Pack   200-1425 Teflon
Piston Seal 228-21975-91 200-1410 UHMW-PE
Piston Seal 10/Pack   200-1415 UHMW-PE

Shimadzu LC-6A

Description OEM Part Number ASI Part Number Material
Piston Seal 228-11999-00 200-1440 Teflon
Piston Seal 10/Pack   200-1445 Teflon
Piston Seal Insertion Tool   200-1441  

Shimadzu LC-7A, LC-10AS, LC-10AT

Description OEM Part Number ASI Part Number Material
Piston Seal 228-21975-91 200-1430 UHMW-PE
Piston Seal 10/Pack   200-1435 UHMW-PE
Piston Seal 228-35145-00 200-1432 Teflon
Piston Seal 10/Pack   200-1437 Teflon
Piston Wash Seal 228-28399-00 200-1431 UHMW-PE
Piston Wash Seal 10/Pack   200-1436 UHMW-PE

ASI Replacement Pistons

Shimadzu LC-600, LC-9A, LC-10AD

Description OEM Part Number ASI Part Number Material
Piston 228-18523-91 260-1320 Sapphire Rod

Shimadzu LC-6A

Description OEM Part Number ASI Part Number Material
Piston 228-12904-93 260-1310 Sapphire Rod

Shimadzu LC-7A, LC-10AS

Description OEM Part Number ASI Part Number Material
Piston 228-17019-93 260-1305 Sapphire Rod

Shimadzu LC-10ATvp, LC-2010

Description OEM Part Number ASI Part Number Material
Piston 228-35009-92 260-1302 Sapphire Rod

Shimadzu LC-10ADvp, LC-20AD

Description OEM Part Number ASI Part Number Material
Piston Piston only 228-35601-91 260-1303 Sapphire Rod