Eco GA Series, Installation, Operation & Maintenance Manual, Page: 34 / 59

34
GEARCHEM PUMPS
PRESSURES TO 100 psi
SIGNIFICANT MODEL NUMBER SYSTEM AND AVAILABILITY TABLE
1. Not applicable
2. Pumps with metallic drive and idler gears require minimum viscosity of 100 cPs and are limited to
1440 rpm maximum speed for G2-GH6 pumps and 1150 rpm for GA12 pumps.
3. Ceramic wear plates with metallic gears require minimum viscosity of 100 cPs.
4. Not applicable
5. Not applicable
6. Double mechanical seals must be pressurized with seal fluid 15 to 20 psig above the pump discharge
pressure.
7. Standard GA12 pumps furnished with bearing flush ports, metallic bearing lock pins, and slotted wear
plates.
8. Slotted bearings (GA12) listed POSITION 7.
9. Slotted wear plates reduce volumetric efficiency.
10. J OPTION available only with metal idler gear.
11. Not applicable
12. Consult Factory.
13. Position 8 options A, C and P seals are only available in 316SS.
14. "CW" means corrosion/wear shaft material.
15. External seals are limited to 50 psig.
COMMENTS
Specifications and availability are subject to change without notice.