WINMETER Y-Type Strainer (Model: GL41H-16)

Efficient Filtration · Protect Pipeline Equipment · Durable & Long-Lasting

The WINMETER Y-Type Strainer (Model GL41H-16) is a compact, low-resistance pipeline filtration device widely used to filter media such as water, oil, and gas. Its "Y" shaped design allows for easy maintenance and cleaning of the screen. It effectively intercepts impurities like sediment, rust, and welding slag from the pipeline, protecting downstream valves, pumps, heat exchangers, and other critical equipment. It is an indispensable "guardian" for both industrial and civil piping systems.

The WINMETER Y-Type Strainer operates on the simple principle of mechanical interception. As fluid (liquid or gas) enters the strainer body from the inlet, the flow path directs the medium through the strainer screen. The screen acts as a precision "sieve," trapping solid impurity particles that are larger than the mesh aperture. The clean fluid then passes through the screen and continues its flow through the pipeline via the strainer outlet.

This process effectively safeguards downstream equipment such as pressure reducing valves, relief valves, pumps, heat exchangers, and instruments from clogging, wear, or damage. This ensures the stable operation of the entire system and extends the service life of the equipment. The intercepted impurities accumulate at the bottom of the screen. When cleaning is required, simply open the drain plug at the bottom or remove the screen cover to take out the screen and clean it, restoring its filtration function.

1. Y-Shaped Flow Design: Minimal fluid resistance, low pressure loss, and high filtration efficiency.
2. High-Strength Screen: Made of high-quality stainless steel, offering excellent corrosion resistance and durability. Standard mesh is 18 mesh (customizable).
3. Large Dirt-Holding Capacity: The large effective filtration area of the screen extends cleaning cycles and reduces maintenance frequency.
4. Easy Maintenance: Equipped with a bottom drain plug or flanged cover for quick discharge of impurities and easy removal of the screen for cleaning.
5. Multiple Material Options: Valve body available in materials such as Cast Iron, Carbon Steel (WCB), Stainless Steel 304/316, etc., to suit different operating conditions.
6. Flexible Installation: Can be installed horizontally or vertically (ensure the drain port faces downwards for vertical installation), suitable for spaces with limited room.

1. Component of Materials

2. GB Standard Flange Dimensions

Dimension Notes:

L = Face-to-Face Length (Structure Length)

D = Flange Outside Diameter

D1 = Bolt Circle Diameter

D2 = Raised Face Diameter (Sealing Face Diameter)

b = Flange Thickness

f = Raised Face Height

z-d = Number of Bolt Holes - Diameter of Bolt Holes (mm)

To meet diverse international engineering requirements, WINMETER Y-Type Strainers are available with various flange connection standards. Below are reference dimensions for common GB, EN, and ANSI standards.

1. GB Standard Flange (GB/T 9119, JB/T 79)

Suitable for pressure ratings PN16, PN25.

2. EN Standard Flange (EN 1092-2)

Suitable for pressure rating PN16. Face-to-face dimensions conform to DIN3202 F1.

3. ANSI Standard Flange (ASME B16.5)

Suitable for pressure rating Class 150.

Note: The above dimensions are reference values for common standards. Actual products may vary slightly due to pressure rating, material, and manufacturing process. Please confirm specific dimensions with our sales engineers before ordering.

Industrial Piping: Filtration of circulating water, oil, and gas in chemical, petroleum, power, and metallurgical industries.

Municipal Engineering: Water supply networks, wastewater treatment, HVAC systems.

Building Services: High-rise building water supply, fire protection systems, heating systems.

Food & Pharmaceutical: Hygienic grade filtration for beverages, liquid medicine, etc. (using stainless steel material).

Agricultural Irrigation: Pre-filtration for drip and sprinkler irrigation systems to prevent nozzle clogging.

1. Installation Direction

• Horizontal installation with the drain port facing downwards is recommended. For vertical installation, ensure the flow direction is from top to bottom with the drain port pointing down.
• Ensure the arrow marked on the valve body aligns with the direction of media flow.

2. Routine Maintenance

• Clean the screen approximately one week after a new system starts to remove construction residue.
• Regularly monitor pressure gauges across the strainer. A pressure drop exceeding 0.1 MPa (or as specified) indicates screen clogging and requires cleaning.

3. Cleaning Procedure

• Close the valves before and after the strainer and safely relieve the pressure to zero.
• Unscrew the drain plug (or remove the bottom flange cover) and take out the screen.
• Rinse the screen with clean water. Use a soft brush to remove stubborn deposits if necessary. Do not use hard tools that could damage the screen.
• Reinstall the screen, tighten the drain plug/cover, and reopen the valves to resume normal operation.

How to choose the right Y-Type Strainer? Please confirm the following points:

1. Size: Match the pipeline diameter, typically not less than the inlet diameter of the associated pump.

2. Pressure Rating: Select PN16, PN25, Class150, or higher based on the system's maximum operating pressure.

3. Material:

General water/oil: Cast Iron or Carbon Steel.

Corrosive media: Stainless Steel 304/316.

Food/Pharmaceutical: Hygienic grade Stainless Steel.

4. Filtration Accuracy: Choose the mesh size based on the impurity particle size and the requirements of downstream equipment (e.g., 20-30 mesh for pump protection, 40-60 mesh before heat exchangers, 80-100 mesh for nozzles).

5. Connection Standard: GB standard flanges are standard; custom options like ANSI, JIS, etc., are available upon request.

• Standard Lead Time: DN50-DN200 sizes are typically in stock. DN250 and above require 3-7 working days (please consult our sales team for confirmation).
• Customization: We offer customization for special materials, pressure ratings, mesh sizes, and connection standards. Please provide your technical requirements.
• Packaging & Shipping: Packaged in wooden or carton boxes. Shipped via logistics providers, accessible nationwide.

• Years of experience in manufacturing fluid filtration equipment, ensuring reliable quality.
• Strict quality control; every product undergoes pressure testing.
• One-stop technical support for selection and after-sales service.

WINMETER – Precision Flow Measurement, Engineered for Industry!

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