New roller assembly now ships with A4 and M4 peristaltic pumps!

We are simplifying tube replacement with our new and improved A4 and M4 roller assemblies.

Benefits Include

Lower cost of ownership

new roller a4 m4

Rollers can be replaced individually, eliminating the need to purchase an entire roller assembly.

Ease of maintenance

new roller a4 m4 3

New roller assembly design allows for safer and easier tube replacement without a tube installation tool.

Enhanced flexibility

new roller a4 m4 5

Switch to different tube models by
changing the squeeze rollers, not the
entire roller assembly.

Old vs New

New roller assembly a4 m4 peristaltic pump
Old roller on the left. New roller on the right.

New M4 Roller Assembly Installation

New M4 Roller Assembly

New A4 Roller Assembly Installation

New A4 Roller Assembly

New Roller Assembly Catalog Numbers

NO.TUBE COMPATIBILITYCATALOG NO.
1 NL / NP A4-MNL-R
2 TH / TK / TKK / THH A4-MTH-R
3 NH / NK / NJ / NHH / NHL / NHHL A4-MNH-R
4 NKL / NKKLA4-MNKL-R
5 GH / GK / GKK A4-MGH-R

New Roller Assembly Component Part Numbers

ITEM NO.PART NO.DESCRIPTIONQTY.
1 90002-716 A4 ROTOR BODY 1
2 76002-038 SPIDER RING 1
3 90011-267 10-32 CAPTIVE SCREW 2
4 71010-771 ARM ROLLER GUIDE ASSY 2
5*71010-766 ARM ROLLER A4 NL/NP ASSY 2
5*71010-767 ARM ROLLER A4 TH/TK/TKK/THH ASSY 2
5*71010-768 ARM ROLLER A4 NH/NK/NJ/NHH/NHL/ NHHL ASSY 2
5*71010-769 ARM ROLLER A4 NKL/ NKKL ASSY 2
5*71010-770 ARM ROLLER A4 GH/GK/GKK ASSY 2

*Available tubing options

new roller a4 m4 3

No change in ordering

No change to flow rates

Seamlessly replaces old style

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