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L/S® Pumps -- 0-54 GPH

Including

L/S® Industrial Process Pump

L/S® Variable-Speed Brushless Digital Pump

L/S® Precision Console Drives

L/S® High-Pressure Pump Systems

L/S® Fixed-Speed Pumps

L/S® Variable-Speed Air-Powered Drives

L/S® Washdown Modular Drives

L/S® Variable-Speed Hazardous-Duty Drives

L/S® Washdown Brushless Digital Pump with Wall-Mount Controller

L/S® Pump Adapter Systems

L/S® Pump Tubing

L/S® Pump Adapter Systems

System includes pump head, adapter, and mounting hardware

Deliver flow rates up to 3400 mL/min (up to 54 GPH) with Masterflex ® L/S® pump heads

Attach your own motor to meet local electrical standards, hazardous-duty, or washdown requirements

Multichannel capabilities

Accepts NEMA 56C or IEC 72 frame motors with base

Use any motors with a 56C face

For metric motors, select the IEC 72 frame type

Flow Ranges, mL/min (GPH)

Recommended motor rpm limits

Adapter gear ratio

Pump head
rpm

L/S® precision tubing sizes (thin wall)

L/S® high-performance tubing sizes (thick wall)

L/S®
13

L/S®
14

L/S®
16

L/S®
25

L/S®
17

L/S®
18

L/S®
15

L/S®
24

L/S®
35

L/S®
36

Flow per revolution

0.06

0.21

0.8

1.7

2.8

3.8

1.7 (1.8)

2.8 (3.0)

3.8 (4.3)

4.8 (5.8)

3.7 to 2220

3.7:1

1 to 600

0.06 to 36 (0 to 0.54)

0.21 to 130 (0 to 1.8)

0.8 to 480 (0.012 to 7.6)

1.7 to 1000 (0.024 to 16)

2.8 to 1700 (0.042 to 26.4)

3.8 to 2300 (0.06 to 36)

1.7 to 1000 (0.024 to 16)

2.8 to 1700 (0.042 to 26)

3.8 to 2300 (0.06 to 36)

4.8 to 2900
(0.06 to 46)

18.3 to 3450

18.3:1

1 to 190

0.06 to 12 (0 to 0.18)

0.21 to 40 (0 to 0.6)

0.8 to 150 (0.012 to 2.34)

1.7 to 320 (0.024 to 5.04)

2.8 to 540 (0.042 to 8.4)

3.8 to 720 (0.06 to 11.4)

1.7 to 320 (0.024 to 5)

2.8 to 540 (0.042 to 8)

3.8 to 720 (0.06 to 11)

4.8 to 900
(0.06 to 14)

Note: Flow rates were determined using water at room temperature with zero back pressure and zero suction lift.
Max flow rate with High-Performance pump head is 3400 mL/min.

Specifications & Ordering Information
Catalog number	VA-955-3999	VA-956-3999	VA-965-3999	VA-955-4999	VA-956-4999	VA-965-4999
Included pump head	Easy-Load II (thin wall)	Easy-Load II (thick wall)	High-Performance (thick wall)	Easy-Load II (thin wall)	Easy-Load II (thick wall)	High-Performance (thick wall)
Type	56C Frame Adapter 4:1			IEC 72
Number of heads accepted	2		1	2		1
IP rating	IP56 with gasket (included) mounted to motor.
Operating temperature	–10 to 50°C (14 to 122°F)
Storage temperature	–40 to 60°C (–40 to 140°F)
Dimensions (L x W x H)	14.6 cm x 16.5 cm x 16.5 cm (5 3 ⁄4" x 6 1 ⁄2" x 6 1 ⁄2")
Shipping weight	1.9 kg (4 lb)

Downloadable Files

Masterflex Catalog

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