Telescopic Y-Type Strainer

Size: 2″-8”(DN50-DN200)
Material: Ductile iron ASTM A536, 65-45-12
Dimension: ASME B16.42
Connection:ASME B16.1 CLASS 125/250,Flange to BS EN 1092-2
Pressure Rating: 300PSI, 250PSI, 200PSI, PN10/16
Temperature: -10-200℃
Surface Treatment: ANSI/AWWA C550
Medium: Water, gas,oil etc.

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Product Description

Products Details

What’s the Telescopic Y-Type Strainer?

A telescopic Y-type strainer is a type of filtration device commonly used in piping systems to remove unwanted particles or debris from flowing fluids such as water, oil, or gas. The telescopic aspect refers to the strainer’s ability to extend or retract its filtering element to accommodate different flow conditions or maintenance requirements. This feature allows for easy access to clean or replace the straining element without needing to disassemble the entire piping system.

Product Drawing

No. Part Standard Specification Options
1 Valve Body EN-GJS-450-10
2 Screen SS304(Perforated) SS304,SS316 (Perforated,Knitted,Double Screen)
4 Plug Carbon Steel Zinc Plated SS304,SS316
5 Bonnet EN-GJS-450-10
6 Bolt Carbon Steel Zinc Plated SS304,SS316
7 Bolt1 Carbon Steel Zinc Plated SS304,SS316
8 Gasket NBR EPDM
9 Gland EN-GJS-450-10
10 Nut Carbon Steel Zinc Plated SS304,SS316
11 Telescopic Flange EN-GJS-450-10
12 Screw Carbon Steel Zinc Plated SS304,SS316


DN PN Dimensions(mm)
inch MM L D H n-Ød
2″ 50 10/16 225 165 19 4-Ø19
2.5″ 65 10/16 260 185 19 4-Ø19
3″ 80 10/16 300 200 19 8-Ø19
4″ 100 10/16 340 220 19 8-Ø19
5″ 125 10/16 384 250 19 8-Ø19
6″ 150 10/16 450 285 19 8-Ø23
8″ 200 10 550 340 20 8-Ø23
16 12-Ø23


The suitable medium of Y-type filter can be water, oil and gas. Generally, the water network is 18-30 mesh, the ventilation network is 10-100 mesh, and the oil-passing network is 100-480 mesh. Y-type filter is mainly composed of main pipe, filter screen, flange cover and fasteners. When the liquid enters the filter blue through the main pipe, the solid impurity particles are blocked in the filter screen, and the clean fluid passes through the filter blue and is discharged from the filter outlet

The advantage of Telescopic Y-type strainers:Adjustability: The telescoping feature allows the filter to extend or retract, allowing it to accommodate different flow conditions or installation requirements. This adaptability ensures optimal performance and efficiency in different operating scenarios without the need for major modifications to the piping system.

Easy Maintenance: Telescopic design provides easy access to strain elements for maintenance. Operators can extend the filter to access and clean or replace filter elements without disassembling the entire duct system. This reduces downtime during maintenance activities and minimizes labor and associated costs.

Enhanced Filtration: Y-type filters are known for their high-efficiency filtration capabilities due to their Y-shaped structure, which helps direct fluid flow and maximize particle capture. The telescoping design ensures the filter element remains optimally positioned in the liquid flow, maximizing filtration efficiency and preventing contaminants from bypassing.

Reduced Pressure Drop: The streamlined design of the Y-strainer minimizes pressure drop across the filter, optimizing flow performance and reducing energy consumption. The telescoping feature allows the operator to adjust the filter length to achieve the desired balance between filtration efficiency and pressure drop, ensuring efficient operation at varying flow rates.

Long service life and durability: Y-type filters are usually made of high-quality materials such as stainless steel, carbon steel or special alloys to ensure durability and service life even in harsh operating environments. The telescoping design facilitates maintenance and minimizes the risk of damage during repairs, further extending filter life.

Malleable Iron SCC Short Compression Coupling NPT Thread

Application and Case of Telescopic Y-type strainers

Telescopic Y-type strainers are commonly used in various industries where maintaining clean fluid flow is essential, such as:

Oil and gas: Used to protect pumps, valves, and other equipment from damage caused by contaminants in the fluid.
Chemical processing: Ensures the purity of chemicals and prevents clogging in sensitive equipment.
Water treatment: Removes impurities from water sources before further treatment or distribution.
HVAC systems: Protects heat exchangers, cooling towers, and other components from debris in the water or coolant.


1. What is the minimum quantity of the order?
Answer: The purchase volume of mixed products is 4 tons

2. How long is the delivery time of the order?
Answer: The delivery time for general orders is about 30 days. If the order is urgent and we have stock, around 7 days.

3. What payment methods do you accept?
Answer: We accept payment terms such as TT, L/C, DP, Western Union, Paypal, etc.

4. Where is your departure port of shipment? Is it possible to deliver to the designated warehouse?
Answer: The port of departure of our goods is generally Tianjin Port or Qingdao Port. We can transport the goods to designated warehouses, such as Yiwu, Guangzhou, etc.

5. What certificates do your products have?
Answer: Our products have FM/UL certificates, and we cooperate with third-party quality inspection certification before the factory, such as SGS,TUV

6.What are the series of your products?
Answer: Our products are divided into heavy series, medium series and light series according to different markets and standards. In order to buy more competitive products for you, please communicate your purchasing needs with the salesperson.

7. Do product packaging cartons and labels support customization?
Answer: Packaging cartons and labels can be customized according to customer requirements.

8.Does the purchased product support customization?
Answer: The product supports customization, but there are purchase quantity requirements and mold costs. For details, please consult the salesperson.

9.What are the packaging methods of the product?
Answer: The packaging of the product includes carton packaging, pallet packaging, wooden box packaging, and woven bag packaging.