Yegong / Hebei Yegong Pump Industrial Slurry Pumps and Filter Press Units

Engineering selection and supply of Yegong (Hebei Yegong Pump) 65ZJE-350, ZJW-II, ZJ and AH slurry pumps engineered with high-chromium white iron wet ends for mineral processing plants.

Yegong 65ZJE-350 Two-Stage Slurry Pumps

Yegong (Hebei Yegong Pump) 65ZJE-350 two-stage centrifugal slurry pumps are engineered for feeding industrial filter presses. The steep head curve delivers rapid chamber filling at high flow and automatically shifts to high pressing pressure as filter cake resistance builds up.

Dedicated filter press pump lineup: models 65ZJE-350, 50ZJE-II, 65ZJE-II, 80ZJE-II, and 100ZJE-II
Dual-stage hydraulic circuit with sequential pressure boost for dense mineral pulp
Factory production range: nozzle diameters 25–1400 mm, flow 5–13400 m3/h, head 5–110 m
30000 sq. m manufacturing facility producing 3000 pump sets and 5000 tons of castings yearly

Yegong 65ZJE-350 Wear-Resistant Wet-End Components

Wear-resistant wet-end components for Yegong 65ZJE-350 pumps are poured from high-chromium white iron and hypereutectic wear alloys. The parts matrix features first and second stage impellers, internal chambers, protective wear plates, shaft sleeves, and seals built for hydro-abrasive slurries.

First-stage 65ZJE-350-6 and second-stage 65ZJE-350-5 impellers made of high-chromium white iron
First-stage chamber 65ZJE-350-3, second-stage chamber 65ZJE-350-4, and feed housing 65ZJE-350-11
Protective wear plate 65ZJE-350-14, replaceable shaft sleeve 65ZJE-350-1, and gland 65ZJE-350-12
Retaining ring 65ZJE-350-7, rear seal ring 65ZJE-350-8, and precision elastomeric O-ring 65ZJE-350-9

Yegong ZJW-II and ZJ / ZJL Slurry Pumps

Yegong ZJW-II filter press feed pumps and versatile ZJ / ZJL slurry units handle high-density abrasive slurries across mineral processing plants. Double-wall armored housing and expeller dynamic shaft seals prevent pulp leakage without requiring continuous high-pressure seal water.

Filter press feed units 80ZJW-II alongside heavy slurry series ZJ, ZJL, and ZGB
Horizontal cantilever design for ZJ and vertical semi-submerged shaft build for ZJL
Wet-end liners built from high-chromium white iron or molded natural and synthetic rubber
Hydrodynamic expeller seal combined with graphite-lubricated packing gland ring

Yegong AH, HH and ZJQ Heavy-Duty Slurry Pumps

Yegong AH and HH heavy slurry pumps and ZJQ submersible units transport dense mineral tailings, gravel mixtures, and abrasive industrial slurries. The heavy-duty bearing assembly withstands high radial loads during continuous operation in mining and metallurgical wash plants.

Horizontal slurry models 4/3-AH, series M, AH, HH, and vertical sump pumps SP and 65QV
High-head HH series configurations within the factory discharge head range up to 110 m
ZJQ submersible slurry pumps, NSQ sand suction units, and GGH gravel dredging pumps
Rigid bearing pedestal utilizing oil or grease lubrication with protective labyrinth seals

Yegong DT Series Flue Gas Desulfurization Pumps

Yegong DT desulfurization pumps and IH, CZ, ZA chemical units circulate limestone and gypsum slurry through absorber towers of thermal power plants and steel mills. The wet-end is formed from wear-resistant duplex stainless steels resisting slurry abrasion and chloride corrosion.

Dedicated desulfurization pump 80DT-36 and chemical process series IH, CZ, ZA, and IHF
Wide-passage impeller profile preventing clogging from dense gypsum crystals
Wet-end metallurgy engineered from duplex stainless steels and low-carbon high-chrome alloys
Cartridge mechanical shaft seal assembly with external clean water flush port

Yegong SH and S Double-Suction Split-Case Pumps

Yegong SH and S axially split centrifugal pumps deliver high-volume water circulation and drainage for mining drainage, cooling loops, and utilities. The horizontally split frame allows complete inspection and rotor maintenance without disconnecting suction and discharge piping.

Model range features 10SH-9, 12SH-9, 250SH-39, 300SH-58 and high-flow HW mixed-flow pumps
Volumetric delivery rates up to 13400 m3/h across nozzle diameters from 25 to 1400 mm
Double-suction symmetrical impeller balance eliminating hydraulic axial thrust
Castings produced in ductile iron, grey cast iron, and stainless steel configurations

Hydraulic Performance and Two-Stage Cycle of Yegong 65ZJE-350 Pumps

Yegong (Hebei Yegong Pump) 65ZJE-350 two-stage centrifugal pumps are engineered for cyclical slurry feed into chamber filter presses in mineral processing plants.

The steep head curve provides high initial flow when the chamber volume is empty and builds up high pressing pressure as cake resistance increases.

High-Chromium Wet-End Metallurgy and Liner Inspection Guidelines

Wet-end components for Yegong (Hebei Yegong Pump) slurry pumps are poured from wear-resistant high-chromium white iron, hypereutectic high-chrome alloys, and corrosion-resistant duplex stainless steels.

Maintenance teams measure remaining wall thickness across first-stage chamber 65ZJE-350-3, second-stage chamber 65ZJE-350-4, and wear plate 65ZJE-350-14 to schedule timely replacement.

Routine Maintenance Protocols, Clearance Setting, and Vibration Monitoring

Regular maintenance requires checking axial clearance between the impeller vanes and the front protective wear plate according to factory assembly drawings. Clearance is restored using external adjustment bolts on the bearing housing without dismantling the piping.

Vibration and bearing temperature monitoring detect bearing wear early.

Dynamic Expeller Shaft Seal Architecture Combined with Secondary Packing

Shaft sealing on Yegong 65ZJE-350 pumps combines a dynamic expeller with gland packing.

The rotating auxiliary impeller generates counter-pressure that repels abrasive particles from shaft sleeve 65ZJE-350-1 during operation, while packing gland 65ZJE-350-12, retaining ring 65ZJE-350-7, rear seal ring 65ZJE-350-8, and O-ring 65ZJE-350-9 prevent static leakage.

Slurry Transport Calculations and Cavitation Protection in Mineral Plants

When pumping dense mineral pulp, suction pipe geometry prevents cavitation erosion.

Streamlined feed housing 65ZJE-350-11 and first-stage impeller 65ZJE-350-6 maintain adequate suction performance, while keeping flow velocity above the critical settling threshold prevents pipeline blockage during continuous plant operation.

Subassembly Overhaul Protocols, Rotor Balancing, and Commissioning

Component overhauls follow strict procedures with full shaft runout inspection. Replacement impellers 65ZJE-350-5 and 65ZJE-350-6 undergo rotor balancing before mounting with shaft sleeve 65ZJE-350-1.

After final coaxial alignment of motor and pump shafts, no-load testing precedes full mineral slurry commissioning.

Yegong / Hebei Yegong Pump and model names are trademarks of their respective owners and are used only to identify the equipment for which we source parts. SpareX is not an official dealer, distributor or representative of Yegong / Hebei Yegong Pump and is not affiliated with the trademark owner. Origin, documents and warranty are stated for each item in the quotation.