Masterflex L/S Series User manual

OPERATING MANUAL:
HIGH-PERFORMANCE
PUMP HEAD
MASTERFLEX®L/S 77252-62
Model Nos.
77252-60
77252-62
77252-70
77252-72
77252-80 ATEX
77252-82 ATEX
®®
®
®
A-1299-7353
Edition 04
(US & Canada only) Toll Free 1-800-MASTERFLEX • 1-800-637-3739
(Outside US & Canada) 1-847-381-7050
www.masterflex.com • [email protected]

Preface
© 2022 Masterflex LLC. All rights reserved.
MASTERFLEX, EASY-LOAD, L/S – Reg TM of Masterflex LLC
C-FLEX, NORPRENE, PHARMED, TYGON—Reg TM Saint-Gobain Performance Plastics Corp.
TECHNYL STAR—Reg TM Solvay Engineering Plastics, Inc.
Trademarks bearing the ®symbol in this publication are registered in the U.S. and in other countries.
PUMP FOR LIQUIDS
ORIGINAL INSTRUCTIONS
Masterflex
ii MASTERFLEX L/S High-Performance Pump Head Operating Manual

WARNING: Turn off drive before removing or installing tubing.
Fingers or loose clothing could be caught in the rollers.
ATEX Rating: The models are rated as Group II, Category 3 (Zone 2) equipment
using constructional safety (c) protection, with a T6 (<85° C) temperature
classification for use in Gas Group IIC (acetylene) environments:
North American Rating: Class I, Division 2, Groups A, B, C, & D, T6
Risk of Danger. Consult Operator’s manual for nature of
hazard and corrective actions.
CAUTION: Risk of crushing. Keep fingers away from rotor while
pump is in operation. Stop pump before loading or unloading
tubing.
This product is not designed for, nor intended for use in patient
connected applications; including, but not limited to, medical and
dental use, and accordingly has not been submitted for FDA approval.
This product (except models 77252-80 & 77252-82) is not designed for,
nor intended for use in hazardous duty areas as defined by ATEX or the
NEC (National Electrical Code); including, but not limited to use with
flammable liquids. Consult the factory for products suitable for these
types of applications.
Preface
Safety Precautions
SAFETY
PRECAUTIONS
Explanation of
Symbols
WARNING:
Product Use
Limitation
Masterflex iiiMASTERFLEX L/S High-Performance Pump Head Operating Manual

Table of Contents
Page
INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
General Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
SETUP AND OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
Pump Drive Compatibility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
Mounting Pump Head to Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
Selecting Tubing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
Loading Tubing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
Replacement Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
Cleaning Pump Head. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
WARRANTY, PRODUCT RETURN, and TECHNICAL ASSISTANCE . . . 5-1
Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
Product Return . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2
Technical Assistance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2
Section 1
Section 2
Section 3
Section 5
Section 4
Masterflex vMASTERFLEX L/S High-Performance Pump Head Operating Manual

Figures
Page
Mounting Holes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
MASTERFLEX L/S High-Performance Pump Head . . . . . . . . . . . . . . . . . . . . . 2-2
Loading Tubing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
Exploded View of Pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
Figures
Masterflex viiMASTERFLEX L/S High-Performance Pump Head Operating Manual

General Description
Section 1 Introduction
The MASTERFLEX® L/S® High-Performance Pump Head delivers in
excess of 3 L/min flow at normal MASTERFLEX operating speeds and
pressures. It is designed for optimal pumping in the clockwise direction.
There are two mounting positions. Tubing entry and exit are either on the
left side or right side of the pump when mounted on a MASTERFLEX
L/S Drive. The pump will operate with any MASTERFLEX L/S drive
with 180 oz-in (13 kg·cm) or more output torque.
Masterflex 1-1MASTERFLEX L/S High-Performance Pump Head Operating Manual

Section 2 Setup and Operation
The High-Performance Pump Head has a standard shaft interface to
accommodate MASTERFLEX L/S Pump Drives. Pump drive must provide
180 in-oz (13 kg·cm) torque.
NOTE: These drives are usually designated as capable of driving two or
more Pump Heads.
1. Check that pump drive is turned OFF. Install mounting plate using
four (4) #8-32 PFHS (furnished). (Labeled “A” in Figure 2-1.)
(Open Head Sensor 77252-60 and 77252-62 pumps must mount with
slot towards right side of drive.)
2. Align pump shaft tang with slot in motor shaft.
3. Slide Pump Head alignment holes over pins, check that pump is fully
seated.
4. Secure pump to pump drive with the four (4) #10-32 PPHS mounting
screws (furnished). (Labeled “B” in Figure 2-1.)
Figure 2-1. Mounting Holes
Pump Drive
Compatibility
Mounting Pump
Head to Drive
A
B
Masterflex 2-1MASTERFLEX L/S High-Performance Pump Head Operating Manual

Pumps accept only MASTERFLEX L/S® Precision tubing sizes L/S 16,
L/S 25, L/S 17 and L/S 18 or L/S High-Performance tubing sizes L/S
14HP, L/S 15, L/S 15HP, L/S 16HP, L/S 24, L/S 24HP, L/S 35 and L/S
36. Use only MASTERFLEX tubing that is surface-printed with the tubing
designation.
WARNING: Turn off drive before removing or installing tubing.
Fingers or loose clothing could be caught in the rollers.
1. Lift Door Latch to open, Figure 2-2, Occlusion bed will retract as the
door is opened.
Section 2
Setup and Operation
Figure 2-2. MASTERFLEX L/S High-Performance Pump Head
Selecting Tubing
Loading Tubing
Tachometer Opening
Tubing
Door Latch
Masterflex
2-2 MASTERFLEX L/S High-Performance Pump Head Operating Manual

2. Depress tubing retainer (Figure 2-3) and insert tubing. Tubing will be
held in place by retainer spring.
3. Insert the MASTERFLEX tubing inside tubing guide and around
rotor, depress tubing retainer and insert tubing. Pull tubing snug
against roller with the ends of the tubing extending out of the tubing
entrance and tubing exit as shown in Figure 2-3 and release tubing
retainer. Tubing should be centered on roller.
4. Ensure tubing is correctly loaded and close door until the latch is
snapped closed. Lightly pull one end of tubing to remove any slack.
Proceed to pump operation.
1. Connect pump tubing to desired fluid source and destination.
2. Start pump drive and set desired speed.
Section 2
Setup and Operation
Loading Tubing
(continued)
Operation
Figure 2-3. Loading Tubing
Rotor Occusion Bed
Tubing Spring-Loaded Tubing Retainers
Masterflex 2-3MASTERFLEX L/S High-Performance Pump Head Operating Manual

Maintenance is limited to replacement of the parts listed in the
replacement parts list and cleaning the Pump Head.
Section 3 Maintenance
Ref Description Part No.
** Replacement Hardware Kit 77252-01
** Replacement Occlusion Kit 77252-65
A Replacement Door Kit 77252-68
** Replacement Rotor THN Kit (For 77252-x0) 77252-66
B Replacement Rotor THK Kit (For 77252-x2) 77252-67
C Replacement Open Head Sensor Kit 77252-90
D
Replacement THN Retainer & Spring Kit (For 77252-x0) 77252-63
** Replacement THK Retainer & Spring Kit (For 77252-x2) 77252-64
** Optional Leak Detector Kit 77252-92
** (Not Shown)
Replacement Parts
Figure 3-1. Exploded View of Pump
A
B
C
D
Masterflex 3-1MASTERFLEX L/S High-Performance Pump Head Operating Manual

Use mild detergent with water to clean the pump and rotor assembly.
Do not immerse nor use excessive fluid. Do Not Clean with Peroxide
based cleaners.
Section 3
Maintenance
Cleaning Pump Head
Masterflex
3-2 MASTERFLEX L/S High-Performance Pump Head Operating Manual

Section 4 Specifications
* As tested with NORPRENE®, PHARMED®BPT, and TYGON®tubing.
Values will be less with silicone and C-FLEX®.
**14HP, 15HP, 16HP and 24HP tubing are for use only with the MASTERFLEX L/S®High-Performance
Pump Head designed for L/S High-Performance Precision (thick wall) tubing and any MASTERFLEX L/S
1 to 100 rpm drive capable of running two or more Pump Heads.
Typical Flow, Pressure and Vacuum Data for
L/S Precision (thin wall) tubing:
Flow rate (cw) Max. Vacuum* Suction Lift*
Tubing @ 100 rpm @ 300 rpm @ 600 rpm Discharge @ 100 rpm @ 100 rpm
mL/min mL/min mL/min Pressure* in (mm) Hg ft (m) H20
16 90 — 614 40 27.5 (698.5) 31 (9.5)
25 187 638 1278 40 27 (685.8) 30.5 (9.2)
17 307 1042 1883 20 27.5 (698.5) 31 (9.5)
18 377 1349 2812 40 27.5 (698.5) 31 (9.5)
Typical Flow, Pressure and Vacuum Data for
L/S High-Performance Precision (thick wall) tubing:
Flow rate (cw) Max. Vacuum* Suction Lift*
Tubing @ 1 rpm @ 100 rpm @ 600 rpm Discharge @600 rpm @600 rpm
mL/min mL/min mL/min Pressure* in (mm) Hg ft (m) H20
14HP** 0.3 30 — 150 (10.3) — —
16HP** 0.9 90 — 125 (8.5) — —
15HP** 1.7 170 — 100 (6.8) — —
24HP** 2.4 240 — 80 (5.5) — —
15 1.8 — 1100 40 (2.7) 26 (660) 29 (8.8)
24 3.0 — 1800 40 (2.7) 26 (660) 29 (8.8)
35 4.3 — 2600 35 (2.4) 26 (660) 29 (8.8)
36 5.8 — 3400 20 (1.4) 24 (610) 27 (8.3)
Masterflex 4-1MASTERFLEX L/S High-Performance Pump Head Operating Manual

Output
Number of rollers: 3
Occlusion: Fixed
Maximum pump speed (rpm): 600
Nominal torque load—Running: up to 180 oz-in (13 kg•cm)
Construction
Dimensions (W × H × D):
Operating: 5.75 in × 4.0 in × 2.75 in
(146 mm × 101 mm × 69 mm)
Open: 6.5 in × 4.0 in × 6.5 in
(165 mm × 101 mm × 165 mm)
Weight: 2.1 lb (0.96 kg)
Housing materials: Stainless steel (SS),
TECHNYL STAR S 216 V30
Glass filled Nylon
Roller/bearing materials: Stainless Steel (SS) /
Sealed Stainless Steel
Rotor materials: Stainless Steel (SS)
Environment
Operating Temperature‡: 32°F to 104°F (0°C to 40°C)
Storage Temperature: -40°F to 149°F ( -40°C to 65°C)
Humidity: 5% to 95% (non-condensing)
Noise level: <70 dBA @ 1 meter
Compliance: EN809 (EU Machinery Directive)
(for CE mark)
(ATEX) ISO 80079-36
ISO/IEC 80079-37
‡ Use in this temperature range for continuous duty operation with no decrease in performance or product
life. Pump Heads will work outside this range with some possible reductions in performance or product
life.
Section 4
Specifications
Specifications
(continued)
Masterflex
4-2 MASTERFLEX L/S High-Performance Pump Head Operating Manual

Section 5 Warranty, Product Return and
Technical Assistance
Use only MASTERFLEX precision tubing with MASTERFLEX pumps to
ensure optimum performance. Use of other tubing may void applicable
warranties.
This product is warranted against defects in material or workmanship, and
at the option of the manufacturer or distributor, any defective product will
be repaired or replaced at no charge, or the purchase price will be refunded
to the purchaser, provided that: (a) the warranty claim is made in writing
within the period of time specified on the warranty card, (b) proof of
purchase by bill of sale or receipted invoice is submitted concurrently with
the claim and shows that the product is within the applicable warranty
period, and (c) the purchaser complies with procedures for returns set
forth in the general terms and conditions contained in the manufacturer’s
or distributor’s most recent catalog.
This warranty shall not apply to: (a) defects or damage resulting from:
(i) misuse of the product, (ii) use of the product in other than its normal
and customary manner, (iii) accident or neglect, (iv) improper testing,
operation, maintenance, service, repair, installation, or storage, (v)
unauthorized alteration or modification, or (b) post-expiration dated
materials.
THIS WARRANTY IS THE EXCLUSIVE REMEDY OF THE
PURCHASER, AND THE MANUFACTURER AND DISTRIBUTOR
DISCLAIM ALL OTHER WARRANTIES, WHETHER EXPRESS,
IMPLIED, OR STATUTORY, INCLUDING WITHOUT
LIMITATION, WARRANTIES OF MERCHANTABILITY AND
FITNESS FOR A PARTICULAR PURPOSE. NO EMPLOYEE,
AGENT, OR REPRESENTATIVE OF THE MANUFACTURER
OR DISTRIBUTOR IS AUTHORIZED TO BIND THE
MANUFACTURER OR DISTRIBUTOR TO ANY OTHER
WARRANTY. IN NO EVENT SHALL THE MANUFACTURER
OR DISTRIBUTOR BE LIABLE FOR INCIDENTAL, INDIRECT,
SPECIAL OR CONSEQUENTIAL DAMAGES.
The warranty period for this product is one (2) years from date of
purchase.
Warranty
Masterflex 5-1MASTERFLEX L/S High-Performance Pump Head Operating Manual

Section 5
Warranty, Product Return and
Technical Assistance
To limit charges and delays, contact the seller or Manufacturer for
authorization and shipping instructions before returning the product, either
within or outside of the warranty period. When returning the product,
please state the reason for the return. For your protection, pack the product
carefully and insure it against possible damage or loss. Any damages resulting
from improper packaging are your responsibility.
If you have any questions about the use of this product, contact the
Manufacturer or authorized seller.
Product Return
Technical Assistance
Masterflex
5-2 MASTERFLEX L/S High-Performance Pump Head Operating Manual

®®
US & Canada only
Toll Free 1-800-MASTERFLEX | 1-800-637-3739
Outside US & Canada
1-847-381-7050
*EN809 manufactured by:
Masterflex LLC
28W092 Commercial Avenue, Barrington, IL 60010
[email protected] | www.masterflex.com