Direct from Shandong Tongyi Machinery Equipment Co.,Ltd – Certified manufacturing engineered for high thermal efficiency and continuous duty performance.
A premier manufacturing force driving technological breakthroughs in industrial vacuum technology and heavy fluid transport systems.
Shandong Tongyi Machinery Equipment Co.,Ltd is a professional manufacturer of vacuum pump, water pump, slurry pump and other industrial pumps. In line with the concept of "science and technology leading, quality oriented, and reputation first", the company has made great efforts to innovate and forge ahead, so that excellent results have been achieved in the production and operation, new product development and other aspects of the company.
By integrating advanced thermodynamic modeling and fluid mechanics simulations, we supply high-performance process pumps to oil refining complexes, pharmaceutical production lines, mining installations, and municipal utilities globally. Our focus remains on minimizing cavitation, maximizing operational uptime, and decreasing total cost of ownership (TCO) for modern processing facilities.
Shandong Tongyi Machinery Equipment Co., Ltd is a professional manufacturer of vacuum pump, water pump, slurry pump and other industrial pumps. Over decades, we have continuously evolved from a regional machine workshop to an international technology-driven solution provider.
The company has modern standard workshop, with a complete scientific quality management system. There are many advanced, professional production equipment and testing instruments to ensure zero-defect output.
Equipped with CNC lathes, drilling machines, machining centers, large floor boring machines and other advanced processing equipment to achieve precise tolerance control down to the micrometer scale.
Understanding the physics, structural engineering, and dynamic fluid requirements for continuous industrial operations.
Main products are SZ, SZB, SK, 2BV, 2BEA, 2BEC series water ring vacuum pump, roots water ring vacuum unit, closed cycling vacuum unit, WLW vertical oil-free reciprocating vacuum pump, etc. SH, S, OS, IS, ISG, LG, DL, DA1 series water pump, YZ, YW series vertical slurry pump, GMZ, ZJ series horizontal slurry pump, QW series submersible sewage pump, DYWS series submerged pump, WSL series submerged No-clog pump, PW series horizontal sludge pump, IH series chemical pump, YHF series submerged anti-corrosive pump, FSB series fluorine plastic centrifugal pump, self-priming pump, and automatic water supply equipment.
Products are widely used in petroleum, chemical industry, electronics, mining, metallurgy, plastic-machinery, dye chemical, brick machinery, low-temperature equipment, paper making machinery, medicine chemical, food machinery and other fields. They excel in handling highly corrosive fluids, heavy particulates, and deep vacuum applications under extreme thermal cycles.
The company has a perfect pre-sales service reception, sales production supervision and management, after-sales service guidance and other perfect service system. We assist engineering companies in pump selection calculations, fluid dynamic simulation validation, and on-site commissioning to guarantee performance metrics.
Procuring industrial pumps from a specialized cluster like Zibo, Shandong provides distinct logistical and technological leverage. Our integrated manufacturing hub simplifies sourcing from raw high-grade cast iron (HT250) and stainless steel alloys (SS304, SS316, Duplex 2205) to precision motor couplings and custom mechanical seals.
By leveraging local supply chain concentration, Shandong Tongyi Machinery Equipment Co.,Ltd optimizes manufacturing processes to offer shorter lead times and premium structural integrity. Advanced thermal-hardening and anti-corrosive coating technologies are implemented directly at the casting stage, dramatically enhancing wear resistance under slurry-heavy operations.
Furthermore, this localized supply ecosystem enables custom configuration of non-standard pumps. Whether it is adjusting the impeller design of a horizontal centrifugal pump to handle high Viscosity fluids, or fitting a 220V/380V/460V variable-frequency servo motor to a metering pump, our engineers can fast-track production without compromising safety or regulatory compliance.
A reference table for engineers selecting the optimal configuration for vacuum filtration, gas extraction, or liquid transport systems.
| Pump Series / Type | Ultimate Vacuum / Pressure Range | Suction Capacity / Flow Rate Range | Recommended Fluid Media & Application |
|---|---|---|---|
| SK / 2BV Water Ring | Up to 33 mbar (97% Vacuum) | 1.5 to 150 m³/min | Vapors, wet gases, chemical filtration, vacuum sterilization. |
| WLW Oil-Free Reciprocating | Up to 1.3 - 5 kPa | 45 to 1200 m³/h | Clean gases, solvent recovery, chemical synthesis lines. |
| YZ / ZJ Heavy Slurry Pump | Discharge Head up to 100m | Up to 3000 m³/h | Abrasive slurries, mining tailings, fly ash transfer. |
| FSB Fluoroplastic Centrifugal | Discharge Head: 10 - 80m | 3.6 to 100 m³/h | Highly corrosive acids, plating liquids, organic solvents. |
| Single Stage Rotary Vane | Up to 0.1 mbar | 10 to 300 m³/h | Dry gases, vacuum packaging, laboratory filtration manifolds. |
Ensuring seamless electrical compatibility and absolute mechanical safety in hazardous zones.
For processing environments handling volatile hydrocarbons or fine carbonaceous dust, we construct vacuum systems using flameproof enclosures and non-sparking materials. Our design conforms to global flame-retardant standards, minimizing fire hazards in petrochemical and mining zones.
Pumps are engineered to adapt to international electrical grids. We supply dual-frequency (50Hz/60Hz) motors supporting voltages such as 220V, 380V, 415V, 460V, and 690V. Motors are manufactured to IE3 and IE4 premium efficiency specifications, ensuring lower energy consumption.
Our ISO, ANSI, and API610 dimensional layouts ensure that Tongyi pumps drop directly into existing piping networks during modernization retrofits. Flange specifications are customizable to DIN, ANSI, or JIS standards to ensure zero leak paths on commissioning day.
Heavy-duty fluid solutions engineered for deep suction lift, high abrasive tolerance, and chemical inertness.
Get answers to critical technical questions regarding system integration, operating curves, and maintenance workflows.
Liquid ring vacuum pumps use a liquid sealant (typically water) to create the mechanical compression space. This isothermal compression makes them highly suitable for vapor-laden stream filtration, moisture-heavy air extraction, and explosive atmospheres. Unlike rotary vane pumps, they contain no metal-to-metal rubbing contacts, rendering them highly resistant to dust and particulate ingestion. Rotary vane pumps, while achieving deeper ultimate vacuum levels, are restricted to dry gases and will deteriorate rapidly if exposed to condensable vapors or acidic solvent particles.
We implement comprehensive metallurgical customization based on the fluid characteristics of our customers. For highly acidic chemical processes, we manufacture pumps using fluorine plastics (such as FSB series) or high-grade stainless alloys (316L/Duplex 2205). For heavy abrasive slurry transport in mining applications (ZJ/YZ/AH series), we utilize specialized high-chrome iron alloys (Cr27, Cr30) with heat treatment, giving the fluid-handling components superior resistance to continuous erosion and wear.
Our factory operates advanced hydro-testing systems and dynamic balancing rigs. Every centrifugal pump impeller undergoes static and dynamic balancing tests (ISO G2.5 standard) to eliminate structural vibrations. Post-assembly, pumps are pressure-tested to 1.5 times their design pressure to verify casting integrity, seal security, and mechanical tolerances under loads. Detailed material test reports (MTR) and performance curves can be supplied upon project request.
Yes. We supply premium brand motors conforming to NEMA (North America) and IEC (European Union) mechanical frame configurations. Our electric motors can be wound for local electrical parameters (e.g., 220V/380V/440V/460V/690V at 50Hz or 60Hz) with Class F or H insulation ratings and IP55/IP66 enclosure protection ratings. Special ATEX explosion-proof motors (Ex d IIC T4) are provided for chemical plants and oil fields.
For standard pump lines (such as the 2BV, SK water ring pumps, or standard centrifugal lines), lead times range from 15 to 25 days depending on stock quantities. Customized configurations, non-standard alloy castings, or large-capacity industrial packages require 30 to 45 days. We handle logistics directly to major shipping ports (such as Qingdao or Shanghai), ensuring secure maritime packing inside heavy-duty crates designed for rough sea transits.
We provide comprehensive engineering support consisting of clear structural schematics, section drawing files, and video installation guides. For large-scale municipal or mining installations, our engineering team can provide remote commissioning oversight. We also maintain a complete inventory of wear parts (impellers, mechanical seals, shaft sleeves, and gaskets) to ensure immediate dispatch, minimizing system downtime.
Tongyi Machinery
