Watson-Marlow 300-Series Single-Channel Rapid Load Pump Heads

Flip-top design provides fast and easy tubing changes
  • Tubing placed in correct position and tension once top closes
These single-channel peristaltic pump heads accept 1.6 or 2.4 mm wall standard tubing and can pump up to 2000 mL/min. Select the three-roller model for high-flow applications or four-roller model for high performance and less pulsation. Pump heads without bayonet plate mount to Watson-Marlow 300 series drives and pump heads with bayonet plate mount to non-Watson-Marlow drives. Extension pump heads increase pumping capacity by adding an additional pumping channel. Add up to five extension pump heads* depending on the type and size of your tubing.

Pump heads are made of glass-filled polypropylene back; IXEF front; glass-filled nylon rotor, clamps, and mounting plate; and MoS2 filled nylon rollers, offering durability.
$532.00 - $572.00USD / Each

16 variations of this product are available.

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16 PRODUCT OPTIONS
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Max Flow Rate (mL/min) Rollers Tubing sizes accepted
Availability Pricing
Watson-Marlow 313X Extension Rapid Load Pump Head for 1.6 mm Wall Tubing, 3-Roller EW-50130-12 Mfr # 033.3431.000
COMPARE
2000 3 0.5, 0.8, 1.6, 2.4, 3.2, 4.0, 4.8, 6.4, 8 mm bore tubing with 1.6 mm wall
$546.00USD / Each
Watson-Marlow 313DW Rapid Load Pump Head for 1.6 mm Wall Tubing, Without Bayonet Plate, 3-Roller EW-50130-13 Mfr # 033.3451.000
COMPARE
2000 3 0.5, 0.8, 1.6, 2.4, 3.2, 4.0, 4.8, 6.4, 8 mm bore tubing with 1.6 mm wall
$546.00USD / Each
Watson-Marlow 314X Extension Rapid Load Pump Head for 1.6 mm Wall Tubing, 4-Roller EW-50130-14 Mfr # 033.4431.000
COMPARE
1200 4 0.5, 0.8, 1.6, 2.4, 3.2, 4.0, 4.8, 6.4, 8 mm bore tubing with 1.6 mm wall
$546.00USD / Each
Watson-Marlow 314DW Rapid Load Pump Head for 1.6 mm Wall Tubing, Without Bayonet Plate, 4-Roller EW-50130-15 Mfr # 033.4451.000
COMPARE
1200 4 0.5, 0.8, 1.6, 2.4, 3.2, 4.0, 4.8, 6.4, 8 mm bore tubing with 1.6 mm wall
$546.00USD / Each
Watson-Marlow 313D Rapid Load Pump Head for 1.6 mm Wall Tubing, With Bayonet Plate, 3-Roller EW-50142-03 Mfr # 033.3411.000
COMPARE
2000 3 0.5, 0.8, 1.6, 2.4, 3.2, 4.0, 4.8, 6.4, 8 mm bore tubing with 1.6 mm wall
$546.00USD / Each
Watson-Marlow 313D/A Rapid Load Pump Head for 1.6 mm Wall Tubing, For 500-Series Drive, 3-Roller EW-50142-04 Mfr # 033.3401.000
COMPARE
2000 3 0.5, 0.8, 1.6, 2.4, 3.2, 4.0, 4.8, 6.4, 8 mm bore tubing with 1.6 mm wall
$532.00USD / Each
Watson-Marlow 313D2 Rapid Load Pump Head for 2.4 mm Wall Tubing, With Bayonet Plate, 3-Roller EW-50142-05 Mfr # 033.3511.000
COMPARE
2000 3 1.6, 3.2, 4.8, 6.4, 8, 9.6 mm bore tubing with 2.4 mm wall
$546.00USD / Each
Watson-Marlow 313DW2 Rapid Load Pump Head for 2.4 mm Wall Tubing, Without Bayonet Plate, 3-Roller EW-50142-06 Mfr # 033.3551.000
COMPARE
2000 3 1.6, 3.2, 4.8, 6.4, 8, 9.6 mm bore tubing with 2.4 mm wall
$546.00USD / Each
Watson-Marlow 313X2 Extension Rapid Load Pump Head for 2.4 mm Wall Tubing, 3-Roller EW-50142-07 Mfr # 033.3531.000
COMPARE
2000 3 1.6, 3.2, 4.8, 6.4, 8, 9.6 mm bore tubing with 2.4 mm wall
$546.00USD / Each
Watson-Marlow 313D2/A Rapid Load Pump Head for 2.4 mm Wall Tubing, For 500-Series Drive, 3-Roller EW-50142-08 Mfr # 033.3501.000
COMPARE
2000 3 1.6, 3.2, 4.8, 6.4, 8, 9.6 mm bore tubing with 2.4 mm wall
$572.00USD / Each
Watson-Marlow 314D Rapid Load Pump Head for 1.6 mm Wall Tubing, With Bayonet Plate, 4-Roller EW-50142-09 Mfr # 033.4411.000
COMPARE
1200 4 0.5, 0.8, 1.6, 2.4, 3.2, 4.0, 4.8, 6.4, 8 mm bore tubing with 1.6 mm wall
$546.00USD / Each
Watson-Marlow 314D/A Rapid Load Pump Head for 1.6 mm Wall Tubing, For 500-Series Drive, 4-Roller EW-50142-10 Mfr # 033.4401.000
COMPARE
1200 4 0.5, 0.8, 1.6, 2.4, 3.2, 4.0, 4.8, 6.4, 8 mm bore tubing with 1.6 mm wall
$572.00USD / Each
Watson-Marlow 314D2 Rapid Load Pump Head for 2.4 mm Wall Tubing, With Bayonet Plate, 4-Roller EW-50142-11 Mfr # 033.4511.000
COMPARE
1200 4 1.6, 3.2, 4.8, 6.4, 8, 9.6 mm bore tubing with 2.4 mm wall
$546.00USD / Each
Watson-Marlow 314DW2 Rapid Load Pump Head for 2.4 mm Wall Tubing, Without Bayonet Plate, 4-Roller EW-50142-12 Mfr # 033.4551.000
COMPARE
1200 4 1.6, 3.2, 4.8, 6.4, 8, 9.6 mm bore tubing with 2.4 mm wall
$546.00USD / Each
Watson-Marlow 314X2 Extension Rapid Load Pump Head for 2.4 mm Wall Tubing, 4-Roller EW-50142-13 Mfr # 033.4531.000
COMPARE
1200 4 1.6, 3.2, 4.8, 6.4, 8, 9.6 mm bore tubing with 2.4 mm wall
$546.00USD / Each
Watson-Marlow 314D2/A Rapid Load Pump Head for 2.4 mm Wall Tubing, For 500-Series Drive, 4-Roller EW-50142-14 Mfr # 033.4501.000
COMPARE
1200 4 1.6, 3.2, 4.8, 6.4, 8, 9.6 mm bore tubing with 2.4 mm wall
$572.00USD / Each
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