Sarbi engineering & whg pvt ltd, based in mumbai, has introduced gear pumps - uc/ud with external containers. These pumps work in ambient temperature ranging from -15 to +40Âșc. They can endure operating pressure of range 7 to 200 bar. These pumps are given with one or two outlets and drive of 3-phase motor. Also fixed or adjustable type pressure relief valves accompany the pumps. It has delivery volume of 0.06 to 36 l/min and operating viscosity from 20 to 1000 mm2/sec.