PPH Wound Eco Friendly Vacuum Unit
- PPH construction with a one-piece winding process for oil-free vacuum operation
- German winding technology reduces weld-related defects and stress concentration
- Stated pressure resistance of ≥ 1.0 MPa, with no rupture during a 1-hour pressure hold test
- Chemical resistance to strong acids, alkalis, and organic solvents
- 40%–60% lighter than stainless steel equipment, with no metal ion release
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Parameter |
Details |
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Core Manufacturing Process |
German winding technology; the cylinder and circulation tank are formed as one piece to reduce weld defects and stress concentration. Stated pressure resistance is ≥ 1.0 MPa, with no rupture during a 1-hour pressure hold test. |
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Key Technical Advantages |
Copolymer-modified PPH offers chemical resistance to strong acids, alkalis, and organic solvents. The unit weighs 40%–60% less than stainless steel equipment, releases no metal ions, and operates without oil. Wastewater can be recycled where process conditions permit. |
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Working Principle |
Uses the Venturi effect to create negative pressure by spraying water at high speed through nozzles. A circulation water tank, centrifugal pump, valves, and other components support continuous operation. |
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Applications |
Chemical, pharmaceutical, electroplating, and new materials industries. It can be used as a pre-stage pump for a Roots pump or other main pump, or for room-temperature negative-pressure processes involving disinfectants. |
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Testing |
Vacuum degree, pressure resistance, corrosion resistance, and oil-free operation testing. |
The PPH Wound Eco Friendly Vacuum Unit uses PPH material and a one-piece winding process for oil-free vacuum operation. Its corrosion resistance and relatively low weight make it suitable for chemical processing and environmental applications.
German winding technology is used to form the cylinder and circulation tank as one piece, reducing weld defects and stress concentration associated with segmented welding. The structure also reduces potential weak points where corrosion may occur. The stated pressure resistance is at least 1.0 MPa, with no rupture during a one-hour pressure hold test.
The copolymer-modified PPH material resists many strong acids, alkalis, and organic solvents, including corrosive media such as hydrochloric acid and sodium hypochlorite. Compared with stainless steel equipment, the unit weighs 40%–60% less and releases no metal ions, making it suitable for applications where metal contamination must be avoided.
The unit uses water as its working medium and has an oil-free design, avoiding oil contamination from the vacuum process. Depending on the process, circulating water and wastewater may be reused. Its simple structure and limited number of wearing parts can also help reduce maintenance requirements.
The system typically uses the Venturi effect: high-speed water passes through nozzles to generate negative pressure. A circulation water tank, centrifugal pump, valves, and other components work together to maintain operation. The unit is used in chemical, pharmaceutical, electroplating, and new materials production. It can serve as a pre-stage pump for a Roots pump or another main pump, or be configured for suitable room-temperature negative-pressure processes involving disinfectants.
Taizhou Yifan Environmental Protection Equipment Technology Co., Ltd. operates a 19,000-square-meter factory in Taizhou, Zhejiang, with 68 employees. Founded in 1994 as Taizhou Jiaojiang Shunfa Chemical Equipment Factory, the company has more than 30 years of experience in chemical and environmental protection equipment, including vacuum systems for chemical and electroplating plants.
OEM and ODM services are available. Units can be made according to customer drawings or prototypes. Before production, the required vacuum degree, suction capacity, working medium, material, configuration, and interface positions are confirmed. The process then includes PPH pellet inspection, winding, assembly, and commissioning.
Each unit undergoes vacuum degree, pressure resistance, corrosion resistance, and oil-free operation testing. Third-party inspection is accepted. The warranty period is one year.
Standard production takes approximately 2 months, while customized production takes approximately 3 months. EXW terms are available. Products are wrapped in UV-resistant film and secured on pallets. Payments in USD and EUR are accepted.
The minimum order amount is RMB 50,000. Standard orders require a 30% advance payment, with the balance paid before delivery. Customized orders require a 50% advance payment, with the balance paid before delivery.
For the PPH Wound Eco Friendly Vacuum Unit, please provide the required vacuum degree, suction capacity, working medium, and unit configuration. Drawings or prototypes are also welcome for customized production.
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