Y-Type Strainers for
Pipeline Protection —
GB/T Certified, Factory Direct
Remove debris and protect pumps, valves, and instrumentation with precision Y-type strainers. Angled body design for efficient filtration with minimal pressure drop — factory-direct from Zhejiang, China, serving 30+ countries.
Explore Our Y-Type Strainer
One precision product line covering a wide range of sizes, materials, and service conditions — engineered for industrial pipeline applications.
Y-Type Strainer
What Is a Y-Type Strainer & How Does It Work?
A Y-type strainer is an inline pipeline device that removes solid particles — rust, scale, weld slag, and other debris — from fluid systems before they reach sensitive downstream equipment. Its angled body gives it the characteristic "Y" shape and positions the filter element at an angle to the pipeline axis, allowing efficient debris collection without severely restricting flow.
Unlike basket strainers, the Y-type is compact enough for tight pipeline runs and can be installed horizontally or vertically. The stainless steel filter element is cleaned in-place or replaced during scheduled maintenance without dismantling the pipeline body.
- Compact inline installation
- Low pressure drop when clean
- Horizontal & vertical mounting
- Easy in-place screen cleaning
- Wide material & size range
- Protects pumps & instrumentation
Fluid Enters the Body
Process fluid flows into the strainer body through the inlet. The angled bore directs flow toward the stainless steel filter element at the base of the Y.
Debris Is Captured in the Screen
Fluid passes through the perforated screen. Solid particles larger than the mesh opening are trapped and retained inside the filter element — kept away from downstream equipment.
Clean Fluid Exits Through Outlet
Filtered fluid exits through the outlet connection. Pumps, valves, meters, and heat exchangers are protected from abrasive particles and blockage.
Screen Cleaned or Replaced
When pressure drop increases, the drain plug at the base is opened to flush debris out, or the screen element is removed and cleaned without removing the body from the pipeline.
Y-Type Strainer Installation & Flow Direction
Correct Y-type strainer installation orientation ensures effective debris collection and easy maintenance access. The flow direction arrow marked on the body must always align with the pipeline flow.
Horizontal — Drain Plug Facing Down
The most common installation. Gravity pulls debris to the bottom of the screen toward the drain plug, making periodic flushing straightforward without stopping the line.
Vertical — Flow Downward, Drain to Side
Acceptable when horizontal installation is not possible. Position the drain plug to the side or downward so collected debris is accessible. Confirm orientation with the flow direction arrow on the body.
Drain Plug Facing Upward
Debris collects at the bottom of the screen away from the drain plug, making flushing ineffective. Avoid this orientation in any installation — horizontal or vertical.
Y-Type vs T-Type vs Basket Strainer — Which One Do You Need?
Three common pipeline strainer configurations serve different installation and service requirements. Use this reference to specify the right type for your project.
| Criteria | Y-Type Strainer YKY Product | T-Type Strainer | Basket Strainer |
|---|---|---|---|
| Body Shape | Angled Y-shape; screen at ~45° to pipe axis | Tee body; screen perpendicular to flow | Cylindrical pot body; large basket screen |
| Installation Space | Compact — fits in tight pipework | Moderate — similar to Y-type | Larger footprint — needs vertical clearance |
| Flow Orientation | Horizontal preferred; vertical downward acceptable | Horizontal or vertical | Horizontal only (standard) |
| Debris Capacity | Moderate — suited for lightly contaminated fluid | Moderate to high | High — large basket holds more debris |
| Pressure Drop | Low when clean; rises as screen fills | Low | Very low — large flow area |
| Maintenance | Drain plug flush or in-line screen removal | Screen removal in-line | Basket removal — may require shutdown |
| Typical Use | Steam, oil, water lines protecting pumps & valves | Similar to Y-type, less common | High-flow water, pump suction lines |
Specifications at a Glance
Key technical parameters for the YKY Y-Type Strainer. Full dimensional tables, weight charts, and drawings are available in the downloads section below.
Design & Standards
GB/T 12224| Model | YGL41W |
| Design Standard | GB/T 12224 |
| Connection End | JB/T 79.1 / GB/T 9124.1 / HG/T 20592 |
| Face-to-Face | GB/T 12221 |
| Pressure Test | GB/T 13927 |
| Seal Material | Oil-resistant asbestos, NBR, PTFE |
Dimensions & Materials
Full Range| Valve Size | DN15 – DN500 |
| Pressure Rating | PN16 – PN25 |
| Body Material | Copper, WCB, WCC, LCB, LCC, CF8, CF3, CF8M, CF3M |
| Filter Element | 304 / 316 / 304L / 316L Stainless Steel |
| Temp. (Carbon Steel) | -30°C to 380°C |
| Temp. (Stainless Steel) | -80°C to 450°C |
| Media | Water, Oil, Steam |
Download Y-Type Strainer Documents
Access the Y-type strainer catalogue, dimensions PDF, datasheet, and P&ID symbol — all available through YKY's official download centre.
Y-Type Strainer Catalogue
The Y-type strainer catalogue covers the complete YGL41W product range — body materials, pressure ratings, connection standards, and ordering reference.
Download PDF →Y-Type Strainer Dimensions PDF
Download the Y-type strainer dimensions PDF for face-to-face lengths, end-to-end measurements, and weight per DN size from DN15 to DN500.
Download PDF →Y-Type Strainer Datasheet
The Y-type strainer datasheet includes design standards, material specifications, temperature and pressure parameters, and filter element details for engineering review.
Download →Y-Type Strainer P&ID Symbol & CAD Drawing
Reference the standard P&ID symbol and CAD drawing file for Y-type strainers used in pipeline and process engineering documentation.
Download →Industries We Serve Every Day
YKY Y-type strainers are installed across industrial pipeline systems worldwide — from high-pressure steam lines to municipal water distribution networks.
Here's Why Buyers Keep Coming Back
Over 100 global OEMs trust YKY Valve for reliable supply, certified quality, and engineering support that keeps projects on schedule.
Shanghai, Wenzhou & Lishui
structured scheduling
the Middle East, Asia & Europe
3 Production Bases
Facilities in Shanghai, Wenzhou, and Lishui provide flexibility and capacity for volume orders without lead-time risk.
API & ISO Certified
API 594 for international projects, GB/T 12236 for regional specs — full test documentation on every shipment.
30+ Countries Served
Active export history across the Middle East, Southeast Asia, Europe, and North America.
OEM & Custom Orders
Custom material grades, special trim configurations, and private-label options for distributors and EPC contractors.
Consistent Lead Times
120 skilled employees with structured production scheduling — stock and project orders ship on time.
Full Technical Support
Engineering team available for material selection, datasheet review, and compliance documentation.
See the Factory Behind Every Strainer
Built on in-house R&D and process-controlled manufacturing, YKY Valve delivers consistent quality across every order — from samples to volume supply.
Zhejiang Yunkong Smart Valve Co., Ltd.
Certified to the Standards That Matter
Every YKY strainer passes pressure testing and dimensional inspection before shipment. Our quality system covers both international and Chinese national standards.
ISO 9001 Quality Management
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