1. Product introduction
NYP high viscosity internal meshing rotor pump (high viscosity rotor pump) is a new type of displacement pump developed according to the needs of petroleum, chemical industry, paint, grease, medicine, dye, food and other industries. As the product can choose different materials and structures, NYP high viscosity pump is widely used for the transmission of media with different properties and viscosities.
Applicable medium temperature: - 10 ℃ - 200 ℃ (applicable temperature of NYPO. 78 and NYP2.3 is - 10 ℃ - 80 ℃).
Applicable medium viscosity: 1.0cSt - 300000cSt (applicable viscosity of NYPO. 78 and NYP2.3 is 1.0cSt - 10000cSt).
2. Product pictures
3. Scope of application
NYP rotor pump is especially suitable for conveying medium with high viscosity and consistency It is widely used in the transportation industry of various fluids, especially for fluid transportation with large viscosity change and wide range.
Plastic polyester industry: polyester resin, epoxy resin, hardener, isocyanate, moderator, polyol resin, surfactant, resin, polymer solvent, synthetic resin, binder, paste, plastic, polychlorinated triphenyl resin, acrylic resin, unsaturated polyester resin, alkyd resin, phenol resin, melamine resin, polyurethane, polystyrene, AS resin, ABS resin, epoxy resin, vinyl acetate, Artificial leather, polymer solvent.
Organic silicon industry: silica gel, silicone oil, glass adhesive base material, 107 adhesive.
Petrochemical and chemical industry: high viscosity fluid, asphalt, lubricating oil, grease, white latex, additive, petroleum, polymer, wax oil, rosin, fiber, viscose, glue, cleaner, resin, shampoo, silicone oil, chemical fluid
Paint and coating industry: dye, ink, solvent based paint, magnetic paint, paint, solvent, rubber solution, water-based paint, solvent paint, acrylic paint, water-based paint.
Daily chemical industry: fatty alcohol, detergent, shaving cream, shampoo, soap, face cream, essence, shampoo.
4. Product Features
(1) NYP rotor pump delivers liquid stably, without pulsation, with small vibration, low noise and strong self-priming performance.
(2) The utility model has the advantages of small size, light weight, long service life, etc.
(3) It can be equipped with a safety valve. When the pump or pipeline system is overpressure, the safety valve will open to form internal backflow to ensure system safety.
(4) The gear clearance can be adjusted according to the needs of viscosity without dismantling the pump to meet the process requirements of the pump under different viscosities.
(5) It is especially suitable for conveying medium with high viscosity and consistency.
5. Model Meaning
7. Installation method
(1) The NYP rotor pump shall be installed and fixed on a stable foundation, and it is better to lay a cushion between the base and the foundation. Ensure that the pump will not affect the vibration of the pipeline when it is started. The pump is not affected by other mechanical vibration.
(2) When installing the pipeline, it shall be noted that the inlet and outlet pipelines of the pump shall not exert force on the pump and shall be equipped with corresponding supports.
(3) Before the installation of a new pump, the container and pipeline system must be cleaned, and a filter must be installed before the pump inlet.
(4) Check whether the rotating parts of the pump are stuck or collided. If the pump is collided during transportation, check whether the coupling is concentric and adjust it.
(5) Sufficient maintenance space shall be reserved for the pump during installation to facilitate equipment maintenance in the later period.
(6) After the pump is installed, please ground the motor at the grounding mark according to the national safety grounding regulations.
8. Precautions
(1) The NYP high viscosity internal meshing rotor pump shall not be started without liquid or insufficient liquid storage.
(2) Turn on the power supply, click the start switch first to see whether the running direction of the motor is consistent with the rotation direction of the pump. If not, correct it immediately, and do not reverse it.
(3) When heating is needed: heat preservation can be carried out by passing hot steam, heat transfer oil and other heat mediums into the jacket cavity.
(4) When cooling is required: the constant temperature of the pump body can be maintained through various coolants
(2) The valve of the inlet pipeline shall not be used to regulate the flow, so as to avoid the vibration of the pump caused by cavitation.
9. Frequently Asked Questions
(1) Insufficient flow may be caused by wear of pump chamber or rotor and blockage of outlet pipe.
(2) Motor heating may be caused by motor phase loss, high pressure or medium viscosity.
(3) The noise and vibration may be caused by unstable pipeline support, liquid mixed with gas, and excessive pump speed.
10. Use needs
(2) The increase of viscosity, flow and pressure of NYP high viscosity internal meshing rotor pump is likely to cause overload of the motor when it is working. Check whether the pressure gauge, safety valve and overcurrent protection device are normal.
(3) The filter and filter screen shall be cleaned every month within one year after the installation of the new pump to avoid blockage, which may cause the pump to fail to work normally. It is strictly prohibited to use Y-type pipe filter, because the effective area of Y-type pipe filter is too small, which affects the medium flow rate.
(4) For the transportation of coagulable high viscosity medium, the medium in the pump shall be diluted before the pump is stopped to prevent the solidification of high viscosity medium in the pump. If necessary, the cleaning solution can be used to circulate (clean) the pump for several minutes
(5) In case of vibration and noise, the pump shall be shut down for inspection and troubleshooting before operation.
NYP high viscosity rotor pump: Performance, Feedback, and Sustainability Guide
The NYP high viscosity rotor pump is specifically designed for handling thick, high-viscosity fluids in demanding industrial applications. With its precision-engineered rotor system, it ensures smooth, continuous flow, minimal pulsation, and energy-efficient operation. This guide covers user feedback, common issues, environmental performance, and product certifications, providing a complete reference for engineers, plant operators, and procurement professionals.
The NYP rotor pump is built for viscous materials such as:
Adhesives and sealants
Resins and polymers
Oils and lubricants
Food pastes and syrups
Chemical suspensions
High-precision rotor design for smooth, consistent flow
Capable of handling high-viscosity liquids without overheating
Durable construction with corrosion-resistant materials
Low pulsation for accurate fluid transfer
Energy-efficient operation to reduce operational costs
Easy maintenance with modular design
Customer feedback highlights the pump’s reliability, efficiency, and ease of maintenance.
Industrial Manufacturing: “The NYP pump handles resins and adhesives with minimal clogging, providing consistent flow for our production lines.”
Food Industry: “We use the rotor pump for syrup transfer. Its smooth operation and low pulsation ensure precise dosing without wastage.”
Chemical Processing: “The durable stainless steel construction withstands corrosive liquids, and maintenance is straightforward.”
Energy Efficiency: “Compared to our previous pumps, the NYP consumes less power while maintaining high throughput.”
Benefits Reported by Users:
Reduced downtime due to reliable performance
Simplified maintenance procedures
Consistent and accurate fluid transfer
Cost savings through energy efficiency
Even high-quality pumps can encounter operational challenges. Understanding common issues ensures quick resolution and prolonged service life.
| Issue | Possible Cause | Recommended Solution |
|---|---|---|
| Pump not delivering fluid | Air pockets, insufficient inlet supply | Check suction line, purge air, ensure adequate fluid level |
| Excessive vibration or noise | Misalignment or worn bearings | Realign pump and motor, replace bearings if needed |
| Overheating | Pump running dry or too high viscosity | Stop pump immediately, ensure fluid presence, verify viscosity within specifications |
| Leakage at seals | Worn or damaged mechanical seals | Inspect and replace seals with genuine parts |
| Reduced flow rate | Clogged rotor or piping | Clean rotor and inlet/outlet lines, check for debris |
Inspect rotors and seals regularly
Flush the pump after handling sticky or reactive fluids
Lubricate bearings according to manufacturer instructions
Keep a logbook of operational parameters to detect trends or anomalies
The NYP high viscosity rotor pump is designed to meet modern environmental and sustainability standards.
Energy-Efficient Motors: Reduces electricity consumption compared to conventional pumps
Low Leakage Design: Minimizes fluid waste and prevents environmental contamination
Durable Materials: Stainless steel and corrosion-resistant components reduce replacement frequency and material waste
Quiet Operation: Reduces noise pollution in production facilities
Lower carbon footprint due to energy savings
Reduced operational waste and emissions
Compliance with environmental regulations for chemical and food industries
Promotes sustainable manufacturing practices
Certifications ensure the NYP pump meets international standards for quality, safety, and environmental compliance.
| Certification | Description | Benefit |
|---|---|---|
| ISO 9001 | Quality management system | Ensures consistent manufacturing standards and reliability |
| CE | European conformity | Confirms compliance with EU safety and performance standards |
| ISO 14001 | Environmental management | Indicates eco-friendly production processes |
| ATEX (if applicable) | Explosion-proof compliance | Safe operation in hazardous areas with flammable liquids |
| NSF/WRAS | Food and water safety | Approved for handling food-grade liquids and potable water |
Certifications provide confidence to buyers and enable use in global industrial and commercial projects.
The NYP high viscosity rotor pump is widely applied in multiple sectors requiring smooth and consistent high-viscosity fluid transfer.
Adhesive and Sealant Manufacturing: Accurate transfer of sticky resins
Chemical Processing: Safe handling of corrosive or viscous chemicals
Lubricant Production: Efficient pumping of oils and greases
Syrup Transfer: Smooth dosing without air pockets
Chocolate and Paste Handling: Prevents clogs and maintains consistent flow
Dairy Products: Maintains hygiene standards with stainless steel construction
Cosmetics Industry: Pumps creams, lotions, and gels
Paint and Coatings Production: Delivers consistent high-viscosity liquids to mixing and filling lines
The NYP high viscosity rotor pump combines durability, efficiency, and precision, making it a reliable solution for industrial, food, and chemical applications. By following recommended operational procedures, understanding common issues, adhering to environmental standards, and leveraging its certified quality, users can maximize efficiency and minimize downtime.
Whether handling adhesives, resins, syrups, or oils, the NYP rotor pump provides consistent flow, low maintenance, and energy-efficient operation, making it a trusted choice for industries requiring high-viscosity fluid management.
Phone：+86 15868545868/+8618968868555
whatsapp：+86 15868545868/+8618968868555
Email：haiwan@haiwanpump.cn
Add：Meiao Street, Qiaoxia Town, Yongjia County Wenzhou City, Zhejiang, China
Copyright ? 2025 Zhejiang Haiwan Pump Industry Co., Ltd.
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