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High pressure and high temperature hot water centrifugal pumps represent specialized industrial pumping solutions designed for handling thermal oils and heat transfer fluids under extreme operating conditions. These robust pumps are engineered to maintain reliable performance while circulating thermal fluids at temperatures up to 400°C and pressures exceeding 50 bar, making them indispensable components in thermal fluid systems, industrial heating processes, and high-temperature manufacturing applications. The pumps feature advanced sealing technologies and special material selections that ensure leak-free operation and long service life in demanding environments where conventional pumps would fail. Their unique design incorporates temperature management features and pressure containment systems specifically developed for handling hot oils and thermal fluids in closed-loop systems, providing safe and efficient heat transfer solutions across various industrial sectors.
Advanced Thermal Management: Incorporates cooling jackets and heat barrier systems that protect bearing assemblies and sealing components from extreme temperatures, ensuring reliable operation even when handling thermal fluids at 400°C
Pressure-Resistant Construction: Features heavy-duty casing designs with reinforced ribs and premium material selections that maintain structural integrity under continuous high-pressure operation up to 50 bar
Specialized Sealing Solutions: Utilizes advanced mechanical seal arrangements including double seals, tandem seals, and cartridge seals with steam quench systems specifically engineered for high-temperature hot oil applications
Thermal Expansion Compensation: Intelligent design incorporates thermal expansion compensation mechanisms that maintain alignment and clearances during temperature cycling and thermal shock conditions
Energy Efficient Operation: Optimized impeller designs and hydraulic efficiency ensure minimal power consumption while maintaining required flow rates and pressure levels
Maintenance-Friendly Design: Features back pull-out design and modular components that enable easy maintenance without disturbing piping connections or system alignment
Temperature Range: Standard models operate from -20°C to +400°C, with special designs available for extreme temperature applications up to 500°C
Pressure Capacity: Working pressure ratings from 25 to 50 bar, with test pressures exceeding operational requirements by 50%
Flow Rates: Capacities ranging from 5 to 800 m³/h, covering small process applications to large industrial system requirements
Power Requirements: Motor power from 15 to 500 kW, with various speed options including 1450 RPM and 2900 RPM configurations
Materials Selection: Premium materials including carbon steel, 316 stainless steel, and specialty alloys for specific corrosion and temperature requirements
Efficiency Performance: Hydraulic efficiency levels of 70-85% depending on specific speed and application parameters
Heavy-Duty Casing Assembly: Features radially split casing design with extra material thickness and reinforced ribs for pressure containment, manufactured from high-grade cast steel or ductile iron
Specialized Impeller Design: Closed impeller configuration with balanced vanes and strengthened hub connections, specifically engineered for high-temperature operation and thermal cycling conditions
Shaft and Bearing System: Extra-large diameter shaft with intermediate sleeves and cooling chambers, supported by heavy-duty bearing assemblies with temperature management features
Advanced Sealing Chamber: Specifically designed seal housing with cooling jackets, quench connections, and generous spacing to accommodate multiple seal arrangements and monitoring systems
Support and Alignment: Rigid bearing bracket with cooling fins and alignment features that maintain precise shaft positioning under thermal expansion conditions
Thermal Fluid Heating Systems: Primary circulation pumps in thermal oil heaters and organic fluid heat transfer systems used in chemical processing, manufacturing, and energy generation
Industrial Process Heating: Circulation of heat transfer fluids in plastic injection molding, die casting machines, and industrial ovens requiring precise temperature control
Renewable Energy Applications: Heat transfer fluid circulation in concentrated solar power plants and biomass energy systems operating at elevated temperatures and pressures
Oil and Gas Processing: Hot oil circulation in refinery processes, crude oil heating, and hydrocarbon processing applications requiring reliable high-temperature pumping
Chemical and Petrochemical: Handling of thermal fluids in reactor temperature control, distillation processes, and chemical manufacturing under severe service conditions
High pressure and high temperature hot water centrifugal pumps continue to evolve with advancements in material science and sealing technology, offering increasingly reliable solutions for extreme operating conditions. Their robust construction and specialized features make them critical components in processes where temperature control and system reliability directly impact production efficiency and product quality. The ongoing development of these pumps focuses on enhancing energy efficiency, extending maintenance intervals, and improving operational safety in high-temperature applications across various industrial sectors.
Performance range of Chemical Centrifugal Pumps:
Parameters of Chemical Centrifugal Pumps:
| Flow rate: | Q= 0.8~2500 (m³/h) |
| Total head: | H=4~250 (m) |
| Pump speed: | n=1450/2900rpm |
| Fluid s.g.: | γ≤1.85 |
| Fluid temperature: | T=-20~175ºC |
| Pump diameter: | Ф50~450mm |
Structure of the Chemical Centrifugal Pump:1 PUMP CASING adopts precision casting, number milling processing and fine grinding to ensure that the pump casing profile is accurate, the material is dense and uniform, and the hydraulic performance is excellent.
2 IMPELLER NUT self-locking impeller nuts eliminate the risk of loose.
3 IMPELLER optimized design of impeller, wider range of high efficiency and application range.
4 PUMP COVER back pull-out design to facilitate quick access for servicing.
5 MECHANICAL SEAL different mechanical seals according to different working conditions.
6 FRONT BEARING GLAND
7 SHAFT thickened heavy-duty shaft, provides maximum strength and stiffness for harsh working conditions, providing bearing capacity and operational stability.
8 BEARING HOUSING reliable, heavy-duty bearing unit helps extend bearing's lifecycle, reduces unexpected shutdowns and maintenance costs.
9 AIR VENT COVER
10 BRACKET
11 BACK BEARING GLAN
| 1 Pump casing | 9 Bearing housing | 17 Oil-analysis standard |
| 2 Impeller | 10 Shaft | 18 Skeleton oil seal |
| 3 Pump cover | 11 Air vent cover | 19 Skeleton oil seal |
| 4 Mechanical seal | 12 Back bearing | 20 O ring of seal end gland |
| 5 Seal end gland | 13 Back bearing gland | 21 Pump cover washer/O ring |
| 6 Wear sleeve | 14 Pump coupling | 22 O ring of impeller |
| 7 Front bearing gland | 15 Bracket | 23 O ring of impeller nut |
| 8 Front bearing | 16 Pipe plug | 24 Impeller nut |
The chemical centrifugal pump, the optimized hydraulic design delivers superior performance through high efficiency impellers and volutes casings, contributing to low energy consumption subsequent total cost of ownership. Thanks to our casting and materials expertise, our customers can be confident that our pumps will withstand even the most demanding operating conditions. With thousands of installations all over the world, products and services of Zigong Pump & Valve have stood the test of time. Drawing on over 70 years of experience as a manufacturer of pumps, we at Zigong Pump & Valve meet the continuously rising demands our customers place on high-performance products.
The Features of Chemical Centrifugal Pumps:
Based on CFD technology, Optimize pump hydraulic performance more efficiently.
Chemical centrifugal process pumps, the optimised hydraulic design delivers superior performance through high efficiency impellers and volutes casings, contributing to low energy consumption subsequent total cost of ownership. Adopting the optimization algorithm provided by Isight, it integrates the functional optimization platform of 3D modeling software Catia, grid division software ICEM and numerical simulation software CFX.
Pump Configuration:
We have eight modernized workshops covering 12,000 square meters, which producing ability was designed as 18000 pieces per year. The factory consists of foundry workshop, finish-machining workshop, plate welding workshop, assembly workshop and testing center. The maximum lifting ability for tramelling crane is 50 metric tons; There are 510 sets of large and essential processing facilities which enable the requirements for producing all kinds of industrial pumps.Casting of parts and components is an important part of the industrial pump production process. The precise control of the pump material smelting and the flow path size of the over-current components is our key control program for the quality of the pump products. The annual production capacity of 8,000 tons of alloy cast iron and dozens of new casting equipment such as AOD refining furnace and spectrum analyzer, as well as a group of skilled stylists, ensure the excellent quality of our castings.
HOT SELLING PUMPS
CERTIFICATES & PATENTSTESTING
The comprehensive pump testing center. Make sure the quality control can be refined in the material inspection,components check,performance test.
Q: How long is your factory history?
A: Our factory was established in 1967.
Q: How many staffs does your factory have?
A: We have around 500 staffs.
Q: What international certificates does your factory have?
A: We have CE, ISO9001...
Q: Does your factory have foundry for yourself?
A: We have our own two foundries in our factory.
Q: What after sales service your factory can provide?
A: Generally, most of the issues can be solved by free guidance of video calls. But paid site service is also available.
Q: What is your product warranty?
A: 12 months since commissioning or 18 months after shipment,whichever is earlier.
Q: What is your factory's annual output capacity?
A: Around 20,000 pcs of various type of pumps.
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