WYTZWLP
Motor Power：1.1-110kW Inlet/Outlet Range：DN25-DN300 ZWLP Type SS Direct-connected Self-priming Sewage Pump
Head Range：10-75m
Self - Priming Lift：5m
Motor Power：1.1-110kW
Inlet/Outlet Range：DN25-DN300
Sealing Method: Mechanical seal single-end (double-end, containerized, customizable)
Application Scenarios
- Municipal & Urban Drainage Systems
- Industrial Wastewater Treatment
Agricultural & Aquaculture Applications
Handles irrigation water, fish farm drainage, and livestock wastewater with high solids content.
Product Advantages
- Material of overcurrent components
Key components such as impellers and pump casings are made of high chromium alloys or stainless steel, which have strong wear resistance and are suitable for transporting wastewater containing sand, gravel, and fibers.
- Large channel design
Channel width ≥ 1.5 times the maximum particle diameter of the medium to reduce the risk of blockage—a critical design feature for a reliable basement sewage pump, a key consideration for any home sewage pump supplier, and essential for efficient operation in any pump sewage tank system.
- Compared to traditional sewage pumps
Traditional pumps with narrow flow channels, prone to fiber entanglement or sand and gravel jamming, while WYT product ensures high passability through fluid dynamics optimization.
| Comparison Item | ZWLP Type SS Direct‑connected Self‑priming Sewage Pump | Traditional ZW Coupling‑type Self‑priming Sewage Pump |
| Transmission Structure | Motor extended‑shaft coaxial direct‑connected structure, no coupling component, good concentricity, low vibration | Adopt flexible coupling connection between motor and pump, need on‑site alignment, equipped with coupling guard |
| Installation & Footprint | Compact overall structure, 30‑40% shorter in length, small footprint, suitable for skid‑mount and narrow space installation | Overall dimension is longer, requires larger base plate, needs shim adjustment for alignment during installation |
| Maintenance & Wetted Parts | Stainless steel wetted parts, standard balanced mechanical seal; no coupling wearing parts, low daily maintenance workload | Mostly cast iron pump body, optional mechanical seal or packing seal; coupling elastic elements are vulnerable consumable parts, regular inspection required |
| Self‑priming Performance | Self‑priming height 4.5‑5.5m, priming time 2‑3min; integrated gas‑liquid separation chamber, high operation efficiency | Self‑priming height 3‑4m; traditional hydraulic design, efficiency is relatively lower, easy to generate noise caused by misalignment |
FAQ for ZWLP Type SS Direct‑connected Self‑priming Sewage Pump
Q1: What is the maximum self‑priming height of ZWLP SS pump? How long does it take to finish self‑priming?
A: The maximum self‑priming height reaches 4.5‑5.5 meters. Under rated working conditions, self‑priming can be completed within 2‑3 minutes. No bottom valve is required during operation. Please ensure sufficient liquid is filled inside the pump body before the first‑time startup.
WTY Summary: Our ZWLP‑SS pump delivers stable self‑priming performance, removes extra cost for bottom valve, simple on‑site pre‑start preparation for end users.
Q2: What kind of media can this stainless‑steel self‑priming sewage pump handle? What is the applicable PH range?
A: This pump is suitable for sewage with solid particles and long‑fiber impurities. For stainless steel wetted parts, the applicable PH value is from 2 to 13. The maximum diameter of pass‑through solid particles is 60% of pump inlet caliber, and allowable fiber length can reach 5 times of pump caliber. Normal medium temperature shall not exceed 80℃, and special customized version can support medium temperature up to 200℃.
WTY Summary: Full stainless‑steel wet‑end offers wide corrosion resistance, good solid‑passing capacity, supports custom high‑temperature solution for complex working conditions.
Q3: Does ZWLP SS direct‑connected pump require shaft alignment during installation? What are its main wearing spare parts?
A: Shaft alignment is not required. It adopts motor extended‑shaft coaxial direct‑connected structure with no coupling assembly. The main wearing parts are mechanical seal and bearings. A bottom cover plate is equipped for quick cleaning of sediment accumulated inside pump cavity.
WTY Summary: Direct‑connected structure eliminates coupling‑related alignment work & consumables, reduces installation workload and daily maintenance cost for customers.
