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Analyical Scientific Instruments

Eldex

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

ASI Self-priming Check Valves

Eldex A, AA, B, E

Description OEM Part Number ASI Part Number
Inlet Check Valve
(Cartridge & Housing)
1371 250-1330*
Inlet Cartridge   250-1310*
Inlet Housing   250-1320
Outlet Check Value
(Cartridge & Housing)
 1372 250-1335*
Outlet Cartridge   250-1315*
Outlet Housing   250-1325
Replacement Filter 5/Pack   250-1220
* 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

Eldex A, AA, B, E

Description OEM Part Number ASI Part Number Material
Piston Seal for 1/8" dia. rod
w/Backup Ring
1180/1181 200-1260 UHMW-PE
Piston Seal for 1/8" dia. rod 10/Pack
w/Backup Ring
  200-1261 UHMW-PE

ASI Replacement Pistons

Eldex A, AA, B, E

Description OEM Part Number ASI Part Number Material
Piston 1/8" dia. rod 5261 260-1160 Sapphire Rod