ZENITH HPB HMB HLB HXB PUMPS
In 1926, Zenith Pumps was approached by the synthetic fiber industry to design a pump to provide a precise, pulseless, re- peatable flow and assure better quality control. The options then were the same as those in the chemical process industry today–diaphragm, lobe, coarse gear, pis- ton, plunger, and screw pumps. Each had problems with pulsation, flow inaccu- racies, multiple seal areas and slippage, which required constant calibration, high maintenance, and extended downtimes.
Zenith Pumps met the challenge and designed a rotary external gear pump of unique precision and simplicity. Manufac- turing techniques were developed to hold tolerances to + .00005" minimizing internal clearances to assure accurate and precise metering. The pump’s simplistic design of only three moving parts–two metering gears and a drive shaft–provided long life and easy maintenance.
For years since, process engineers have relied on Zenith to provide precision fluid handling solutions for their most difficult pumping applications. Zenith gear pumps can be found wherever precise, pulseless, repeatable metering of fluids is required.
HPB Stats: Available capacities: 0.16 – 2.92 cc / rev. Flow rate: 0.00013 – 0.14 gpm. Max operating temperature: ?. Max inlet pressure up to 40 psi. Max discharge pressure up to 4,000 psi. Viscosity range can go up to 2,000,000 cp
HMB Stats: Available capacities: 3.5 to 10 cc per rev. Flow rate: 0.0028 – 0.476 gpm. Max operating temperature: ?. Max inlet pressure up to 40 psi. Max discharge pressure up to 4,000 psi. Viscosity range can go up to 2,000,000 cp
HLB Stats: Available capacities: 10 to 50 cc per rev. Flow rate: 0.008 – 2.4 gpm. Max operating temperature: ?. Max inlet pressure up to 40 psi. Max discharge pressure up to 4,000 psi. Viscosity range can go up to 2,000,000 cp
HXB Stats: Available capacities: 70 to 200 cc / rev. Flow rate: 0.055 – 9.5 gpm. Max operating temperature: ?Max inlet pressure: Flooded suction. Max discharge pressure up to 4,000 psi. Viscosity range can go up to 2,000,000 cp
Zenith BLB and BXB Series metering pumps deliver precise, pulseless, and repeatable flow control performance. Zenith precision metering pumps greatly improve product quality while eliminating costly overdosing
Benefits and Features:
High Accuracy.
Stable, repeatable flows are assured even under varying conditions of pressure, viscosity and temperature.
Minimum Pulsation.
Unique design offers virtually pulseless flow without valves or flexible elements to hinder performance.
High Temperature Capability. Operating temperatures to 950°F (510°C).
Maximum Life. Only three moving parts; components are through- hardened tool and die steels to 64 Rc
or better. Replaceable sleeve bear- ings for low-cost rebuilds.
High Volumetric Efficiency. Maximum efficiency is achieved with optimum operating clearances and assured
under pressure by built-in alignment dowels.
Precision Construction. Ground and lapped components for close of operating clearances.
