Alemite 7216-S Service Manual

Description
NOTE: The components within the fluid-wetted
path of this pump are stainless steel and Teflon.
This pump is tested in mineral oil. Flush the pump thor-
oughly with a solvent compatible with the product dis-
pensed as required.
The major components of pump model 7216-S3 consist of a
reciprocating differential air motor and a double-acting pump tube.
This low-pressure (1:1 ratio) pump is equipped with a
2 " PT (m) bung adapter and a stainless extension that allows
operation directly from original 55-gallon (200/205 l) drums.
Models 7216-S and 7216-S3
Model 7216-S is obsolete. Repair parts are still available.
Specifications
Differential Air Motor
Piston Effective
Diameter x Stroke Piston Area *
2
In Cm
In
2-1/16 x 4 5.2 x 10.2 1.67
For details on the air motor, refer to Service Guide SER 318450-4.
See Figure 3 for performance curves.
* The effective piston area of a differential air motor is equal to one-half the
actual area of the piston.
Pump Tube
Max. Fluid
Pressure
Fluid
Outlet
psi Bars
1 " NPTF (f) 200 13.8
See Figure 3 for performance curves.
* SAE 10 oil at 75 ° F (24 ° C) and 100 psi [6.9 Bars] air pressure.
Table 1 Transfer Pump Model 7216-S3 Specifications
This document contains confidential information that is the property of Alemite Corporation
670547
and is not to be copied, used, or disclosed to others without express written permission.
Service Guide
Stainless Transfer Pump
CAUTION
Maximum Air
Air Inlet
2
Cm
10.8 1/4 " NPTF (f)
Max. Free-Flow
Delivery/Minute *
Gallons Liters
In
14 53 10.5
Alemite Corporation
PO Box 473515, Charlotte, North Carolina 28247-3515
www.alemite.com
©
Copyright
Pressure
psi Bars
200 13.8
Displacement
per Cycle
3 3
Cm
172
Figure 1 Stainless Transfer Pump Model 7216-S3
2002 by Alemite Corporation
7216-S
7216-S3
SER 7216-S3
Revision (10-02)