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A Y-Strainer is an essential filtration device for piping systems conveying various media. It is typically installed at the inlet of pressure reducing valves, relief valves, or check valves to remove mechanical impurities. When fluid enters the strainer, solid particles are trapped in the screen while clean fluid passes through the outlet. Designed for compactness, low resistance, and easy maintenance, it protects downstream equipment from damage caused by debris.

Product Image:Y-Type Check Valve
Feature
1、Hydrodynamic Optimization: The Y-shaped branch angle is engineered to provide maximum filtration area while minimizing pressure drop across the device.
2、Double-Layer Stainless Steel Screen: Features a robust support layer combined with a precision mesh, capable of withstanding high differential pressure without deformation.
3、Easy Blowdown Design: The screen is housed in a removable cover. Removing the drain plug or bonnet allows for rapid removal of collected debris.
4、Broad Material Compatibility: Available in cast iron, ductile iron, carbon steel, or stainless steel to suit various corrosive media and service lives.
5、Multiple Connection Standards: Supports Flanged, Threaded, or Socket Weld connections compliant with ANSI, DIN, JIS, and GB standards.
6、In-line Maintenance: The simple design with no moving parts ensures low failure rates and allows screen replacement without removing the body from the line.

Structure Diagram:Y-Type Check Valve
Material List
| No. | PARTS | MATERIAL | |
| 1 | BODY | CF8 | CF8M |
| 2 | NUT | 304 | 316 |
| 3 | WASHER | 304 | 316 |
| 4 | SEAT | PTFE | |
| 5 | DISC | CF8 | CF8M |
| 6 | SPRING | 304 | 316 |
| 7 | GASKET | PTFE | |
| 8 | BONNET | CF8 | CF8M |
Performance Specification Sheet
| Performance Specification Sheet | ||
| Nominal Pressure | 5.0 | MPa |
| Strength test pressure | 7.5 | |
| Sealing test pressure | 5.5 | |
| Applicable Temperature | -40~180 | ℃ |
Standard requirements for external dimensions
Thread Connection Standard:ASME B1.20.1 (NPT),BSP, BSPT
DIN 259 / DIN 2999,BS 21,
ISO 288-1, ISO 7-1
Socket Welding Connection Standard: ASME B16.11

Outline Diagram:Y-Type Check Valve
Outline Dimension Table Unit:mm
| SIZE | DN | d | L | H | D | J |
| 1/4" | DN6 | 12 | 60 | 41 | 14.2 | 9.5 |
| 3/8" | DN10 | 12 | 60 | 41 | 17.6 | 9.5 |
| 1/2" | DN15 | 15 | 60 | 41 | 21.8 | 9.5 |
| 3/4" | DN20 | 20 | 75 | 52 | 27.2 | 12.5 |
| 1" | DN25 | 24 | 85 | 60 | 33.9 | 12.5 |
| 1-1/4" | DN32 | 32 | 104 | 79 | 42.7 | 12.5 |
| 1-1/2" | DN40 | 39 | 108 | 82 | 48.8 | 12.5 |
| 2" | DN50 | 50 | 126 | 94 | 61.2 | 16 |
| 2-1/2" | DN65 | 63 | 165 | 106 | 73.9 | 16 |
| 3" | DN80 | 76 | 192 | 120 | 89.8 | 16 |

Model:
VQ81F-10P/VQ81F-16P/VQ81F-10R/VQ81F-16RSpecification:
DN15~80mmPressure:
PN10~16Material:
Stainless steel 304/304L/316/316L
Model:
YH76-10P/YH76-16P/YH76-25P/YH76-10R/YH76-16R/YH76-25RSpecification:
DN50-DN1200Pressure:
PN10~25Material:
Deionized water, Ethylene glycol, Propylene glycol solution, Mineral oil, Synthetic oil, Silicone oil, Perfluoropolyether (PFPE), Hydrofluoroether (HFE)
Model:
YQ11F-16P/YQ11F-16R/YQ11F-25P/YQ11F-25RSpecification:
DN6-DN100Pressure:
PN16~25Material:
CF8,CF8M