... (more than 26% Chrome alloy). 12/10G-G dredge pump Detailed description of G/GH gravel pumps:1) Cantilevered, horizontal, centrifugal, one ... dredger and course of river, and other fields. Type GH pumps are of high head ones. TYPEOUTLETDIAMETERSPEEDN(r/min) ... -G12--suction diameter (inch)10----discharge diameterG----frame form G----gravel pump validity date2 weeksminimum unit1 setmode of payment30% ...