5
The letter or group of letters (X, LX) indicates direction of rotation and shaft position. The
letter (L) indicates low drive unit. If the letter (L) is not used, the shaft will be in a high drive position.
No letter or W – Clockwise Rotation (Standard Rotation)
X – Counterclockwise Rotation
Y – Clockwise Rotation
Z – Counterclockwise Rotation
LW – Clockwise Rotation
LX – Counterclockwise Rotation
LY – Clockwise Rotation
LZ – Counterclockwise Rotation
Example:
3 7 22 * GHB
F O RV LX SPEC XXX TYPE 3 S/N ZZZ
Direction of Rotation and Shaft Position
Type of Faceplate
Auxiliary Mounting Provisions
Port Style
Pump Head Arrangement
Motor Mounted Unit *
Theoretical Displacement
Shaft Sealing
Port Arrangement
*
The letter (M) may be used in this space indicating the pump is mounted with motor.
The letter (E) may be used in this space indicating the pump is mounted on a base with or without
engine.
As stated in the explanation of the pump nomenclature, all characters may not appear on every pump
nameplate.
NOTE: The preceding description of the figure number is to assist in identifying your Roper 3600 series
pump only. DO NOT attempt to derive any ratings or performance from the figure number.
DO NOT use
the explanation of the figure number to construct your own pump. Not all combinations are possible. For
assistance in pump selection, it is recommended that you consult Roper Pump Company or an authorized
distributor.
2. Occasionally, special pumps or configurations are required which are unique for a particular application.
These modifications are clarified by a SPECification number. Identification of any items different than a
standard pump can be made by consulting Roper Pump Company or an authorized distributor.
3. The TYPE number is a number used by Roper Pump Company for in-house identification of construction
and hydraulics. Always include the type number in any references to the pump.
4. The SERIAL number is a unique number assigned to each pump built by Roper Pump Company.
In any communication concerning this pump, always be sure to include the Model, Spec, Type, and Serial
numbers so proper identification of the pump can be assured.
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