GB Cast Y-Type Internal Thread Strainers
Strictly designed and manufactured in accordance with GB/T standards, this GB cast Y-type internal thread strainer offers a highly cost-effective impurity filtration solution for industrial piping systems. The precision-cast body features a scientifically optimized flow path that maintains structural integrity while maximizing the effective filtration area, significantly reducing fluid resistance and pressure loss. Equipped with a high-strength stainless steel screen, it provides excellent corrosion and wear resistance, ensuring long-term interception of solid particles to protect downstream pumps, pressure reducers, and metering instruments from damage. Standardized female threaded connections (such as G, Rp, or NPT) ensure tight integration with various small-bore piping networks, while the threaded cap with blow-off capability allows for extremely convenient on-site maintenance and screen cleaning. Widely used in petroleum, chemical, and urban heating sectors, this strainer is an economical choice for ensuring system purity and operational stability.
Pressure Rating: 1.0 – 42.0 MPa
Size Range: 1/2″ – 60″ (DN 15 – DN 1500)
Working Temperature: -29°C to 266°C
Standards: GB
Materials: Carbon Steel, Stainless Steel, Alloy Steel, Special Alloys
Operation: Manual, Gear, Electric, Pneumatic
Structural Characteristics of
The body is produced using advanced silica sol investment casting, resulting in precise internal contours and superior surface finish. Compared to sand castings, this refined surface significantly reduces turbulence and frictional losses in beverage lines or pure water systems, preventing debris accumulation in dead zones.
Utilizing CF8M (Cast 316) stainless steel, the material’s molybdenum content provides excellent resistance to pitting. When handling chloride solutions, organic acids, or process water in marine climates, the strainer maintains long-term chemical stability, ensuring particle entrapment without leaching metallic contaminants into the media.
The streamlined hexagonal screw-in cap allows for quick disassembly with a standard wrench, even in confined spaces. This design is ideal for laboratory equipment skids or compact pump sets, enabling technicians to clean the filter element during minimal downtime, thereby increasing system availability.
High-precision internal threads ensure tight sealing while drastically reducing the overall component weight. For high-rise building HVAC systems or overhead piping projects, this lightweight design lowers the load requirements on support brackets and simplifies on-site installation labor.
The internal filter chamber is compatible with various mesh densities, handling everything from coarse iron shavings to micron-level particle interception. Whether protecting downstream fine control valves or sensitive pressure transmitters, this strainer provides customized protection through interchangeable elements.
Class 150LB Main Connection Dimensions
| DN | L | D | D1 | D2 | b | Z-Φd | H |
|---|---|---|---|---|---|---|---|
| 15 | 130 | 95 | 65 | 45 | 14-2 | 4-Φ14 | 60 |
| 20 | 145 | 105 | 75 | 55 | 14-2 | 4-Φ14 | 70 |
| 25 | 150 | 115 | 85 | 65 | 14-2 | 4-Φ14 | 70 |
| 32 | 180 | 135 | 100 | 78 | 16-2 | 4-Φ18 | 75 |
| 40 | 200 | 145 | 110 | 85 | 16-3 | 4-Φ18 | 90 |
| 50 | 220 | 160 | 125 | 100 | 16-3 | 4-Φ18 | 105 |
| 65 | 250 | 180 | 145 | 120 | 18-3 | 4-Φ18 | 150 |
| 80 | 280 | 195 | 160 | 135 | 20-3 | 8-Φ18 | 175 |
| 100 | 300 | 215 | 180 | 155 | 20-3 | 8-Φ18 | 200 |
| 125 | 350 | 245 | 210 | 185 | 22-3 | 8-Φ18 | 205 |
| 150 | 380 | 280 | 240 | 210 | 24-3 | 8-Φ23 | 260 |
| 200 | 480 | 335 | 295 | 265 | 26-3 | 12-Φ23 | 300 |
| 250 | 550 | 405 | 355 | 320 | 30-3 | 12-Φ25 | 380 |
| 300 | 610 | 460 | 410 | 375 | 30-4 | 12-Φ25 | 410 |
Why Choose YAYE
