Dual Piston Isocratic Pump

Chrom Tech LD & PR Class Dual Piston Isocratic Pumps

  • Dual piston for minimal pulsation
  • Pulse dampener
  • Self-flushing pump heads and prime purge valve
  • Pressure monitoring with automatic pressure compensation
  • Built-in leak sensor
  • Stainless steel or PEEK fluid path

Our reliable dual piston pumps feature reciprocating pistons, which drastically minimizes pulsation. In combination with a low dead volume pulse dampener, our dual piston pumps are virtually pulse-free. With max flow rates up to 300 mL/min, our dual piston pumps are versatile for a diverse range of applications.

Ordering Information
Part No Flow Rate
Material Pressure (PSI) Pump Head Tubing Outlet
P-LD12S 12.000 SS 6,000 M 1/16" OD
P-LD12B 12.000 PEEK 6,000 M 1/16" OD
P-LD36S 36.00 SS 6,000 M 1/16" OD
P-LD36B 36.00 PEEK 6,000 M 1/16" OD
P-LD100S 100.0 SS 1,000 H 1/8" OD
P-LD100B 100.0 PEEK 1,000 H 1/8" OD
P-PR100S 100.0 SS 4,000 H 1/8" OD**
P-PR100B 100.0 PEEK 4,000 H 1/8" OD**
P-PR300S-8* 300.0 SS 1,000 XH 1/8" OD**
P-PR300B-8* 300.0 PEEK 1,000 XH 1/8" OD
*Does not come equipped with pulse campener. 1/4" OD inlet (vs 1/8" OD).
**Note: no fittings adapter kit included
Flow Rate is dependent on solvent selection and operating pressure
Replacement Parts
  M Head H Head XH Head
Piston Seal Kit*, Standard P-1095 880272 P-1096 P-1096B P-1795
Piston Seal Kit*, Organic P-0109 P-1099B P-3009 890283 P-1796
Check Valve Kit, Inlet & Outlet P-1085 P-1086 P-1085 P-1086 P-1781
Repl Check Valve Capsules, 10/pk P-1075 P-1076 P-1075 P-1076 -
Self-Flush Check Valve Kit P-1084 P-1084 P-1084 P-1084 P-1084
Replacement Piston P-1097 P-1097 P-1198 P-1198 P-1797
Inlet Filter Assy (Fitting & Element) 06-0110 06-0110 06-0110 06-0110 06-0110
Repl Inlet Filter Elements, 2/pk P-1170 P-1170 P-1170 P-1170 P-1170
Repl Outlet Filter Elements, 2/pk P-1175 (0.5 µm)1
P-1172 (2 µm)2
P-1171 (ea) P-1172 P-1171 (ea) P-1172
Pulse Dampener Rebuild Kit P-1063 P-1063 P-1063 P-1063 P-1063
1) 0.5 µm outlet filter element standard with 12 mL pump
2) 2 µm outlet filter element standard with 36 mL pump
*Seal Kits include: Self-flush seal, O-Ring, Primary Seal, and Removal Tool
Tech Tip: In order to do maintenance on a dual piston pump, kits are sold per head, quantity two required