HPLC Pumps

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M1 Class
Single Piston

10 mL/2,000 PSI
40 mL/500 PSI

MXT Class
Single Piston

10 mL/5,000 PSI

LST Class
Single Piston

5 mL/6,000 PSI
10 mL/6,000 PSI
40 mL/1,600 PSI

LD/PR Class
Dual Piston

12 mL/6,000 PSI
36 mL/6,000 PSI
100 mL/4,000 PSI

CP Class
Constant Pressure

24 mL/10,000 PSI
100 mL/5,000 PSI

Chrom Tech Next Generation HPLC Pumps

Chrom Tech is an authorized distributor for Teledyne SSI, a world leader in precision-engineered positive-displacement piston pumps. These pumps deliver dependable performance for analytical, clinical, preparative, and fluid-metering applications where accuracy and reliability are critical.

Our lineup includes constant flow and constant pressure models that offer low gradient delay, exceptional flow precision, and long-term durability—making them the trusted choice for demanding HPLC workflows.

Resources

Single-Piston Pumps

Pump Class	Material Options	Flow Range (mL/min)	Flow Accuracy	Pressure Limit (psi)	Stroke Volume (µL)	Temp Jacket	Pump Mode	Dimensions/ Weight
M1 Class	Stainless Steel PEEK	0.00 – 10.00	5%	2,500	25.1	No	Constant Flow	5.6”H x 3”W x 10.6”D (14.1 x 7.6 x 26.7 cm) 6.1 lbs. (2.7 kg)
	Stainless Steel	0.0 – 40.0	5%	500	100.5
	Stainless Steel	0.0 – 100.0	5%	250	226.2
MX Class	Stainless Steel	0.00 – 10.00	2%	5,000	25.1	No	Constant Flow	6.4”H x 7”W x 16”D (16.1 x 17.8 x 40.6 cm) 14.2 lbs. (6.4 kg)
LS Class	Stainless Steel PEEK	0.000 – 5.000	2%	6,000 SS 5,000 PEEK	25.1	No	Constant Flow	6.4”H x 7”W x 16”D (16.1 x 17.8 x 40.6 cm) 15.3 lbs. (6.9 kg)
		0.00 – 10.00	2%	6,000 SS 5,000 PEEK	50.3
		0.0 – 40.0	2%	1,500	201.1

Dual-Piston Pumps

Pump Class	Material Options	Flow Range (mL/min)	Flow Accuracy	Pressure Limit (psi)	Stroke Volume (µL)	Temp Jacket	Pump Mode	Dimensions/ Weight
LD Class	Stainless Steel PEEK	0.000–12.000	2%	6,000 SS 5,000 PEEK	30.0	NO	Constant Flow	6.4”H x 10”W x 17.5”D (16.1 x 25.1 x 44.3 cm) 21.3 lbs. (9.7 kg)
	Stainless Steel PEEK Hastelloy	0.00 – 36.00	2%	6,000 SS, Hastelloy 5,000 PEEK	62.8	NO (SS, PEEK) YES (Hastelloy)
	Stainless Steel PEEK Hastelloy	0.0 – 100.0	2%	1,500	251.4	NO (SS, PEEK) YES (Hastelloy)
PR Class	Stainless Steel PEEK Hastelloy	0.0 – 100.0	3%	4,000	251.4	NO (SS, PEEK) YES (Hastelloy)	Constant Flow	6.4”H x 10”W x 17.5”D (16.1 x 25.1 x 44.3 cm) 24.2 lbs. (11.0 kg)
PR Class	Stainless Steel PEEK Hastelloy	0.0 – 300.0	3%	1,000	565.6	NO (SS, PEEK) YES (Hastelloy)	Constant Flow
CP Class	Stainless Steel	0.000–12.000	2%	18,000	31.4	NO	Constant Pressure	6.4”H x 10”W x 17.5”D (16.1 x 25.1 x 44.3 cm) 21.3 lbs. (9.7 kg)
	Stainless Steel Hastelloy	0.00 – 24.00	2%	10,000	62.8	NO (SS) YES (Hastelloy)
	Stainless Steel	0.0 – 100.0	2%	4,000	251.0	NO
HF Series	Stainless Steel	0.0 – 300.0	5%	10,000	452.4	NO	Constant Flow/ Constant Pressure	8.9”H x 13.9”W x 22.1”D (22.6 x 35.3 x 56.1 cm) 49.2 lbs. (22.3 kg)