OH2-JHEIJHFIOHA
OH2-JHE/JHF/OHA Single-StageCantilevered Chemical Process Pump
The JHE/JHF series comply with API610-10thand DIN/IS0/VDMA24927 standardsthe OHA series meet API610-11 standards
The JHE/JHF/OHA series are single-stage, single-suction, radially split,centerline-mounted, cantilevered centrifugal pumps. The JHE/JHF seriescomply with API610-10th and DIN/ISO/VDMA24927 standards; the OHAseries meet API610-11 standards. Its optimized design performance andstructure accommodate both light and heavy-duty applications, whilemodular construction enhances pump interchangeability.
Application Scope:
Suitable for conveying various clean or slightly particulate-laden media,low-temperature or high-temperature, medium-pressure or high-pressure,neutral or corrosive substances. Used in refineries, petrochemical plants,ethylene facilities, cryogenic engineering, coal chemical plants, finechemical plants, and other related fields.
High-efficiency intelligent pump
High EnergyEfficiency
Energy saving rate
10~50%
Reliability
Low axial deflection index,conforming to API 610 11th,reinforced center supportdesign, reinforced pump coverdesign, and reinforced basesupport for the pump head.
Highly ModularIntegrated Design
The entire series includes 5 specificationsof bearing housings, which can becustomized according to user requirements.
Intelligent upgrade,long-term operation
We provide innovative predictivemaintenance solutions to reducequipment operation and maintenancecosts, minimize unplanned downtimelosses, extend bearing life, enableintelligent product upgrades,and ensure long-termequipment operation.
Product Advantages
High-efficiency energy-saving pump
Performanceparameters
Diameter: 25~400mmFlow rate:~2600m2/hHead:~300mPressure: ~5.0MPaTemperature: -80°C~+450°C
Applicationareas
PetrochemicalsNatural GasPower IndustryCoal Chemical Industry
Pressure-bearing components:Self-venting, centerline outletLarge-size (DN80) pumpsall feature a double volute casing;Thickened intermediate support designfor the pump body to meetAPI610 nozzle load requirements.
Imported:Baffle design prevents liquid fromforming turbulence and improvescavitation resistance.
Flange:Custom designs available upon request.
Standard configuration HG/T 20615 CL300 RF;
Cavity:
API 682 standardMeets SPTS-RE04-T001/T002Sealing type:Cartridge-type mechanical seal design
Bearing Assembly:
Radial: Deep groove ball bearing
Thrust: Angular contact ball bearing,a-to tacagmarcage
Coupling:
Extended section design
Impeller:Employs a low-NPSHr closedimpeller with a high-efficiencyhydraulic design and precision casting.
Residual liquid drainage structure:The flange-type residual liquid drainage systemis the standard structure. To meet user specifications,the residual liquid drainage system can be equippedwith corresponding supports.
Pump seal:Controlled compressionspiral wound gasket
Shaft:Heavy-duty, large-diameterlow-deflection designensures the service lifeof bearings and seals.
Bearing Housing:Multi-functional design: temperaturemeasurement vibration measurementheating/cooling Only 5 specificationsin the entire series Multiple coolingmethods: air cooling, wind cooling,water cooling.Large heat dissipationfinsOil bath heating for low-temperature environments Optionaloil mist lubrication design.
Lubrication methods:Oil slinger lubrication, oil bath lubrication,oil mist lubricationOilseals:Bearingisolators
The OH2-JHE variant targets refineries, fine chemical factories and synthetic ammonia plants worldwide that operate with low-solid, weakly corrosive process liquids, with a working temperature bandwidth spanning -80°C cryogenic light hydrocarbon up to 320°C high-temperature neutral solvent media. Its streamlined single volute closed impeller hydraulic layout delivers superior energy efficiency for steady full-load circulation tasks such as tower reflux, feedstock transfer and general cooling water loops, a major selling point for European and Southeast Asian chemical facilities with strict carbon emission reduction policies. Standard wetted material for export JHE units is duplex stainless steel, with optional Hastell alloy configurations available for weak phosphoric acid and organic solvent export orders. The API 682 fully standardized seal chamber accommodates all internationally recognized mechanical seal flush plans (Plan 11, 21, 23, 32), enabling direct compatibility with seal suppliers local to each client’s country and avoiding long lead times for specialized sealing component cross-border shipments. Back pull-out disassembly design eliminates pipeline detachment during overhaul – a vital feature for remote industrial zones in Central Asia and Africa with limited professional maintenance teams, as field technicians can complete impeller and wear plate replacement within one shift without heavy pipeline dismantling work. Export-ready JHE pump units ship with bilingual English-Russian operation manuals, full API material test certificates and hydraulic performance curve reports to pass local industrial safety customs clearance and factory audit requirements smoothly.
CERTIFICATE DISPLAY
We have certificates and certifications to meet standards and comply with relevant regulations Recognised as a National Champion Enterprise in Manufacturing, a National Specialised Refined, Distinctive and Innovative "Little Giant" Enterprise, a National High Tech Enterprise, and a recipient of the Ministry of Industry and Information Technology's Service-Oriented Manufacturing Demonstration Project and Industrial Internet Pilot Demonstration Project, the company has cultivated nearly three decades of expertise in the specialised pump sector.
FACTORY WORKSHOP DISPLAY
Professional production base equipped with advanced manufacturing equipment and technology
Kunming Jiahe Science & Technology Co.,Ltd. is a leading intemational manufacturer ofindustrial pumps and fluid power system service supplier.JH pumps was founded in 1988 Asan innovator in the industry, it researches and produces high-efficiency chemical centrifugalpumps and provides full-process operation and maintenance management services. JHpumps's business covers more than 30 countnes and regions around the world
ABOUT US
JH pumps collaborates deeply with global customers. With advanced R&Dtechnology, rich application experience and complete product series, itprovides world-class quality total solutions to improve efficiency andproduction capacity, reduce energy consumption and cost for our customers,and realize sustainable development.JH pumps products cover more than 30 series and over 1000 specifications,which are widely used in petrochemical industry, sulfur and phosphoruschemical industry, non-ferrous smelting industry, coal chemical industry, finechemical industry and other fields. This is a valuable asset that we have createdand the basis for our products to be widely praised and trusted in the global market.
We have always been dedicated to the mission of participating in building a better worid wth excelenttechnology and services, and are commited tobuilding a win-wn, harmonious and sustainable development of the century-old brand We d likce to creat a beter future together with our global partners.
WHY CHOOSE US
01
CAPABILITIES OF JH PUMPS
It is in the world's first-class technology echelon in terms of fluid power control, equipment design and energy efficiency andother performance enhancement. JH pumps independentlyinnovated and developed more than 30 new materials of JSB alloy series in material engineering. JH pumps capabilities are as follows:
02
PRECISION CASTING
JH pumps Casting factory owns 4 special steel casting lines, supported by industrial 3D printing technology for rapid mold manufacturing. It includestwo 3,000t/a resin sand lines, one 600t/a lost foam casting line and one100t/a precision casting line. We adopt ProE 3D simulation for castingdesign and Huazhu CAE software for solidification pre-analysis.Equippedwith floor-standing spectrometer, heat treatment equipment, shot blastingand other advanced equipment to ensure the quality of castings. The molten steel produced at one time reaches 2.5 tons.
03
PROCESSING CAPABILITY
CNC horizontal lathe, CNC vertical lathe, CNC floor milling and boring machine, machining center and more than200 sets of equipments.
The maximum machining diameter reaches 3 meters, and the maximum workpiece length is 6 meters.
04PERFORMANCE TESTING
In line with the rotary power pump hydraulic performanceacceptance test level 1, 2 and 3national standard level 1precision test bench, closed test bench, power supplyvoltage up to 10kV, power up to 5000kW, the product100% pass test.
