WYTNM
Head：60-300m Inlet/Outlet Range：DN25-DN300 NM Type Stainless Steel Single Screw Pump
Flow Capacity Range：0.5-200
Head：60-300m
Inlet/Outlet Range：DN25-DN300
Motor Power：0.55-30kW
Conveying materials: Various viscous pastes, cement and ect.
Head：60-300m
Inlet/Outlet Range：DN25-DN300
Motor Power：0.55-30kW
Conveying materials: Various viscous pastes, cement and ect.
Send an inquiry
WYT’s NM Type Stainless Steel Screw Pump
WYT’s NM Type Stainless Steel Screw Pump is a heavy‑duty positive‑displacement unit built with high‑grade stainless steel. It delivers outstanding performance when handling high‑viscosity, abrasive, or shear‑sensitive fluids — including sludge, chemicals, and solids‑laden streams. The corrosion‑resistant stainless body ensures rugged durability in aggressive service conditions, while the progressive‑cavity geometry guarantees smooth, non‑pulsating flow and excellent self‑priming ability. As a result, this pump offers a dependable, low‑maintenance solution that integrates seamlessly into any sewage pump system, proves equally capable in a sewage grinder pump system, and is designed to simplify sewage pump installation — making it a versatile choice for wastewater treatment, food processing, and chemical engineering applications.
Application Scenarios
Environmental Protection and Sewage Treatment
- High concentration wastewater: Treating papermaking wastewater and food processing wastewater containing fibers and plastic fragments, the single screw structure can stably pass through particulate matter.
- Medication dosing: Transporting chemical agents such as coagulants and disinfectants, with low pulsation characteristics to ensure accurate measurement.
Food and pharmaceutical industry
- High viscosity food: Convey chocolate, syrup, jam, honey, etc., with low shear force to maintain the original characteristics of the material.
- Liquid delivery: Processing ointments and suspensions containing particles to avoid shear damage to materials caused by traditional pumps.
Product Features
- Strong self-priming ability
This pump has good self-priming performance and can be started without pumping, making it suitable for situations that require self-priming.
- Wide range of conveying media
Capable of conveying various media, including sludge, chemicals, adhesives, petroleum or yogurt, and even media containing solid particles or fibers.
- Stable operation and low noise
Owing to the minimal inertial forces generated by the pump’s internal rotating elements, the unit can operate at elevated rotational speeds while still delivering smooth performance and subdued acoustic emissions. This inherent advantage applies equally to a standard sewage pump system, a heavy‑duty sewage grinder pump system, and even simplifies the overall sewage pump installation process by reducing vibration‑related constraints.
NM Type Stainless Steel Single Screw Pump vs Diaphragm Pump
| Comparison Item | NM Type Stainless Steel Screw Pump | Diaphragm Pump |
| Conveyable Medium | Can transport clean liquid, viscous fluid and liquid with tiny solid particles. Stainless steel wetted parts resist corrosion. Gentle conveying without damaging shear-sensitive media. | Good for slurry and abrasive liquid with solid particles. Not suitable for materials sensitive to shear force. |
| Flow Characteristic | Flow linearly changes with rotating speed, continuous non-pulsating output. Flow slightly reduces as pressure increases. | Pulsating intermittent flow, obvious fluctuation during operation. |
| Pressure Performance | Stable medium pressure up to 0.6MPa, pressure stays consistent during continuous operation. | Capable of high pressure, but pressure fluctuates with each reciprocating stroke. |
| Application Scope | Chemical circulation, wastewater treatment, continuous transfer of viscous or corrosive liquid in industrial process. | Slurry transfer, heavy corrosive medium, scenarios where stable flow is not required. |
FAQ for NM Type Stainless Steel Single Screw Pump
Q: What kind of media can this NM single screw pump handle?
A: This NM single screw pump with stainless steel wetted parts can transport various media, including corrosive liquids, high-viscosity fluids, and liquids containing fine solid particles. It realizes gentle conveying without strong shear force, so it is also suitable for shear-sensitive materials. But large hard particles or media with big solid chunks are not recommended, which may cause rapid wear of the stator.
Q: Is the flow stable during pump operation?
A: Yes. It features continuous and non-pulsating delivery. The flow rate has a linear relationship with rotating speed, so flow can be precisely adjusted by changing the motor speed. Only slight flow reduction occurs at higher discharge pressure due to internal medium slip, and the overall flow keeps steady during continuous production.
Q: What is the maximum working pressure of NM type screw pump?
A: The standard maximum working pressure for our NM series is 0.6 MPa. If your project needs higher pressure, we can provide customized pump design. The achievable pressure depends on pump stages, medium viscosity and temperature, please offer your working conditions for our confirmation.
