Products

Important Note:
The HPLC pumps in the WellChrom family, in particular the K-120, K-501, and K-1001,
all feature the same mechanical drive. Thus, all pumps can be equipped with the same type
of pump head.

K-120 - The world's smallest HPLC pump

This single head HPLC pump is suitable for a range of uses. Up to four K-120 pumps can be combined, to form a high pressure quaternary gradient system. The pump has no pressure indicator, but a stop function if the pressure exceeds 400 bar.

Specifications

Interchangeable inert pump heads for:	Micro HPLC Analytical HPLC Semi preparative HPLC Sample delivery in preparative HPLC Post column derivatization (reagent supply)
Delivery System	Double-piston pump with main and auxiliary piston
Maximum Operating Pressure	10 mL / min 400 bar 50 mL / min 150 bar
Flow Rate Range	10 mL / min 0.001 - 9.999 mL / min 50 mL / min 0.01 - 49.99 mL / min Flow Rate Reproducibility 0.1%
Control	RS232 port Remote connection (start, stop) EuroChrom / ChromGate control software
Dimensions and weight	105 x 100 x 185 mm ( W x H x D), 2 kg

Ordering Information

Order No.	Article
A41501	HPLC Pump K - 120 with 10 mL pump head, inert with ceramic inlays, inclusive accessories
A41503	HPLC Pump K - 120 with 50 mL pump head, inert with ceramic inlays, inclusive accessories

Spare Parts

Order No.	Article
A4033	10 mL pump head, inert with ceramic inlays
A4034	50 mL pump head, inert with ceramic inlays
A2035	Cooling or heating device for 10 mL and 50 mL pump heads
A1514	Set of gaskets for piston rod 1/8", 10 mL / min, for
A4033	(1 seal for high pressure side, 1 seal for piston back flush side, and 1 O - ring)
A1410 **	Piston rod 1/8" for pump head 10 mL / min
A1414	Set of gaskets for piston rod 1/8", 10 mL / min, for
A1410	(1 seal for high pressure side, and 2 O - rings)
A1515 **	Set of gaskets for piston rod, 10 mL / min, 1/8" for
A1410	preferably for aqueous solutions (1 seal for high pressure side, 1 seal for piston back flush side, and 1 O - ring)
A0768	Set of gaskets for piston rod 1/4", 50 mL / min, for A4034
A1411 **	Piston rod 1/4" for pump head 50 mL / min
A0982	Set of gaskets for piston rod 1/4", 50 mL / min, for A1411 preferably for aqueous solutions (1 seal for high pressure side, 1 seal for piston back flush side, and 1 O - ring)
A1409	Pressure release valve, 10 mL / min and 50 mL / min
A0863	Set of gaskets (PEEK) for check valve (A0684)
A0684	Check valve, 10 mL / min and 50 mL / min, suitable for both pump head types, without set of gaskets
A0732	PTFE tubing 1/8" x 1.5 mm, 3 m length
A0895	RS232 cable (Computer connection cable)
A1408	Check valve, 10 mL / min and 50 mL / min, PEEK, without set of gaskets
A1149	PTFE solvent filter, including hose

** Knauer recommends exchanging the seals A0768, A0982, and A1514, respectively,
if piston rods are removed.