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Help CenterDome-shaped Intake Strainer for Submersible Pump Protection, 304 SS, 0.8mm Opening, 150 PSI, NPT Thread, Corrosion Resistant
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Anping County Boli Hardware Wiremesh Products Factory, with over 25 years of manufacturing expertise since 1998, proudly presents our Dome-shaped Intake Strainer for Submersible Pump Protection. Crafted from premium 304 stainless steel with a precise 0.8mm opening, this strainer is designed to safeguard your submersible pump from debris and sediment, ensuring reliable operation and extended equipment life. Rated for 150 PSI and featuring NPT threaded connections, it offers a robust, corrosion-resistant solution for demanding fluid handling applications.
Our strainer combines superior filtration with minimal flow restriction. The dome-shaped design maximizes surface area, reducing pressure drop while effectively trapping particles larger than 0.8mm. The 304 stainless steel construction provides excellent resistance to rust, chemicals, and harsh environments, making it ideal for water wells, irrigation systems, industrial pumping, and wastewater treatment. Each unit is manufactured with precision threading to ensure leak-free installation and compatibility with standard NPT fittings.
Key Features & Benefits
- Dome-shaped geometry – Increases filtration area by up to 40% compared to flat screens, reducing clogging frequency and maintenance downtime.
- 0.8mm uniform opening – Effectively blocks sand, gravel, leaves, and other debris while allowing smooth water flow.
- 304 stainless steel (SS) – Offers excellent corrosion resistance in fresh water, saltwater, and mild chemical environments; meets food-grade hygiene standards where applicable.
- 150 PSI pressure rating – Suitable for high-pressure pump systems; ensures structural integrity under demanding conditions.
- NPT threaded connection – Standard tapered pipe thread ensures easy, secure attachment to pump inlet pipes; available in multiple sizes upon request.
- Low flow resistance – Optimized mesh design minimizes pressure loss, helping pumps operate efficiently and save energy.
- Easy to clean – Smooth surface and open structure allow simple rinsing or brushing; reusable design reduces replacement costs.
- Versatile applications – Suitable for submersible pumps in agriculture, municipal water supply, aquaculture, construction dewatering, and more.
Technical Specifications
| Material | 304 Stainless Steel (AISI 304) |
| Opening Size | 0.8 mm (0.031 inch) – mesh count approx. 20 mesh |
| Max Working Pressure | 150 PSI (10.3 bar) at ambient temperature |
| Connection Type | NPT (National Pipe Thread) female / male (customizable) |
| Shape | Dome-shaped (hemispherical) |
| Corrosion Resistance | Excellent – suitable for potable water, seawater, and mild chemicals |
| Operating Temperature | -20°C to 120°C (typical range for 304 SS) |
| Surface Finish | Natural (unpolished) – optional electropolishing available |
| Sizes Available | 1/2", 3/4", 1", 1-1/4", 1-1/2", 2" NPT (custom sizes on request) |
Why Choose Our Dome-Shaped Intake Strainer?
- Proven Manufacturing Excellence – Our factory, established in 1998, has over 25 years of experience in wire mesh and filtration products, ensuring consistent quality and precision.
- High Export Volume – With annual export values between US$5 million and US$10 million, our products are trusted by customers across North America, South America, Europe, Asia, Africa, and Oceania.
- Customization Options – We offer custom thread sizes, mesh openings, and overall dimensions to meet your specific pump requirements. Contact us for tailored solutions.
- Reliable Packaging – Each strainer is individually packed to prevent damage during transit, shipped from Tianjin, Qingdao, or Shanghai ports.
- Competitive Pricing – Direct factory pricing without middlemen, offering excellent value for high-quality stainless steel strainers.
Our dome-shaped intake strainer is an essential component for any submersible pump system. By preventing debris from entering the pump, it reduces wear on impellers, seals, and bearings, ultimately lowering maintenance costs and extending pump life. The 0.8mm opening strikes an ideal balance between filtration fineness and flow capacity, making it suitable for both clean and slightly turbid water sources.
Whether you are a pump manufacturer, distributor, or end-user, this strainer provides a cost-effective solution to protect your investment. Backed by our factory’s quality control and global shipping capabilities, you can rely on consistent performance and on-time delivery.
Frequently Asked Questions
Q1: What is the difference between a dome-shaped strainer and a flat screen strainer?
A dome-shaped strainer offers a larger filtration surface area compared to a flat screen of the same diameter. This reduces the risk of clogging and minimizes pressure drop, making it more efficient for high-flow applications.
Q2: Can this strainer be used for saltwater or corrosive environments?
Yes, the 304 stainless steel construction provides excellent corrosion resistance in saltwater and many chemical environments. For extreme conditions, we also offer 316 SS as an option (please inquire).
Q3: How do I clean the strainer?
Simply remove the strainer from the pump inlet and rinse with clean water. Use a soft brush to dislodge any stubborn debris. The strainer is reusable and designed for long service life.
Q4: What NPT sizes are available?
Standard sizes include 1/2", 3/4", 1", 1-1/4", 1-1/2", and 2" NPT. Custom sizes and thread types (e.g., BSP, metric) can be manufactured upon request.
Q5: Is the strainer rated for continuous high-pressure operation?
The strainer is rated for a maximum working pressure of 150 PSI. It is suitable for continuous use within that limit. For pressures exceeding 150 PSI, please consult us for custom solutions.
Q6: Can I get a sample before placing a bulk order?
Yes, we offer samples for evaluation. Sample costs and shipping are negotiable. Please contact our sales team with your requirements.
Q7: What is the minimum order quantity (MOQ)?
The MOQ depends on the size and configuration. Typically, we can accommodate small orders for standard sizes. For large quantities, we offer volume discounts.
Q8: How long is the delivery time?
For standard sizes, delivery is usually 7–15 days after order confirmation. Custom orders may take 15–25 days. We ship from ports in Tianjin, Qingdao, or Shanghai.
Trust Anping County Boli Hardware Wiremesh Products Factory – With a legacy dating back to 1998, we have supplied millions of filtration components to clients worldwide. Our dome-shaped intake strainer is engineered to meet the rigorous demands of submersible pump protection. Backed by our annual export value of US$5–10 million and a global customer base spanning five continents, we deliver consistent quality and reliable service. Contact us today to discuss your requirements or request a quote. Let us help you protect your pumps and improve system efficiency.
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