Description
When the going gets thick, this pump gets going. The 2835 Series provides mechanical-seal, lip-seal, or packing flexibility in a reliable external-gear design. Quiet helical gears, angled gear geometry, enlarged ports, and low horsepower requirements support flows up to 11.3 GPM and pressures up to 75 PSI.
Features:
– Bearings lubricated by the pumped liquid
– Enlarged ports
– Low-horsepower operation
– Flexible installation options
Standard materials include cast-iron housings, hardened-steel shafts and gears, iron journal bearings, Buna case O-rings, and graphite-impregnated PTFE packing.
Applications: Viscous liquids up to 100,000 SSU, including roofing compound, molasses, honey, and feed supplements.
Nomenclature
A. Figure (Model Number) :
The figure number consists of a five, six, or seven digit number.
The first four digits indicate the pump series. The fifth digit indicates the type of shaft seal.
L = Lip Seal
M = Mechanical Seal
P = Packing
B. Spec:
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.
C. Type:
The TYPE number is a number used by Roper Pump Company for in-house identification of construction. Always include the type number in any references to the pump.
D. Spring:
A = low pressure spring
B = high pressure spring (standard)
E. Serial Number:
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 Figure, Spec, Serial, and Type numbers so proper identification of the pump can be assured.

Size & Specifications




