Y-strainer · Flanged · Made in Wenzhou
Flanged Y-Strainer — PN16, Class 150 & JIS 10K, DN15 to DN300
Flanged Y-pattern strainer with a removable stainless steel screen. It catches scale, weld slag and debris before they reach pumps, meters and valves. Flanged to GB PN16, ASME Class 150 or JIS 10K, DN15 to DN300 (½″–12″), for −50 °C to +425 °C.
- Bodies cast in our own foundry, traceable to the heat number
- Every strainer shell-tested, test report in every shipment
- Standard sizes ship in 15–20 days
An engineer replies within 24 hours. Send size, PN, material and quantity.
Specifications
Technical Data
| Type | Y-pattern strainer, bolted screen cover |
| Size range | DN15–DN300 (½″–12″) |
| Pressure rating | PN16 (GB) · Class 150 (ASME) · 10K (JIS) |
| Operating temperature | −50 °C to +425 °C (depends on body material) |
| Sealing | Hard seal |
| Body and cover | WCB (A216) · CF8 (A351) · CF3M (A351) |
| Screen | Removable stainless steel screen; mesh size to order |
| Ends | Flanged, raised face: GB PN16, ASME Class 150 or JIS 10K |
| Testing | Shell test on every strainer |
Application
Where It Is Used
Installed upstream of equipment that solid particles would damage or block.
- Upstream of pumps and compressors
- Before flow meters and control valves
- Steam, water, oil and gas lines
- Chemical lines with corrosive media (CF3M body)
ASSEMBLY HALL · WENZHOUConstruction
Parts & Materials
Body and cover in WCB, CF8 or CF3M with a removable stainless steel screen. The bill of materials for your size and material is sent with the quotation.
Features
- Precision screen traps fine particles and suspended solids, keeping the media clean
- Optimised flow path keeps pressure loss low
- Corrosion-resistant materials for a wide range of media
- Screen can be removed and cleaned: simple, low-cost maintenance
Dimensions
Dimensions (mm)
Face-to-face (L) and flange dimensions for the three flange standards. Unit: mm.
GB, DN15–DN300, PN16
| Size | L | D | D1 | D2 | b | f | n-Ød |
|---|---|---|---|---|---|---|---|
| DN15 | 130 | 95 | 65 | 45 | 14 | 2 | 4-Ø14 |
| DN20 | 150 | 105 | 75 | 55 | 14 | 2 | 4-Ø14 |
| DN25 | — | 115 | 85 | 65 | 14 | 2 | 4-Ø14 |
| DN32 | 165 | 135 | 100 | 78 | 16 | 2 | 4-Ø18 |
| DN40 | 200 | 145 | 110 | 85 | 16 | 2 | 4-Ø18 |
| DN50 | 220 | 160 | 125 | 100 | 16 | 3 | 4-Ø18 |
| DN65 | 250 | 180 | 145 | 120 | 18 | 3 | 4-Ø18 |
| DN80 | 280 | 195 | 160 | 135 | 20 | 3 | 8-Ø18 |
| DN100 | 320 | 215 | 180 | 155 | 20 | 3 | 8-Ø18 |
| DN125 | 340 | 245 | 210 | 185 | 22 | 3 | 8-Ø18 |
| DN150 | 385 | 280 | 240 | 210 | 24 | 3 | 8-Ø23 |
| DN200 | 480 | 335 | 295 | 265 | 26 | 3 | 12-Ø23 |
| DN250 | 545 | 405 | 355 | 320 | 26 | 3 | 12-Ø26 |
| DN300 | 605 | 460 | 410 | 375 | 28 | 3 | 12-Ø26 |
ASME, ½″–12″, Class 150
| Size | L | D | D1 | D2 | b | f | n-Ød |
|---|---|---|---|---|---|---|---|
| ½″ | 120 | 90 | 60.3 | 35 | 12 | 2 | 4-Ø16 |
| ¾″ | 140 | 100 | 70 | 43 | 12.5 | 2 | 4-Ø16 |
| 1″ | 150 | 110 | 79.4 | 51 | 12.5 | 2 | 4-Ø16 |
| 1¼″ | 170 | 115 | 88.9 | 63.5 | 13.2 | 2 | 4-Ø16 |
| 1½″ | 190 | 125 | 98.4 | 73 | 14.8 | 2 | 4-Ø16 |
| 2″ | 215 | 150 | 120.7 | 92 | 16.3 | 2 | 4-Ø19 |
| 2½″ | — | 180 | 139.7 | 105 | 17.9 | 2 | 4-Ø19 |
| 3″ | 285 | 190 | 152.4 | 127 | 19.5 | 2 | 4-Ø19 |
| 4″ | 300 | 230 | 190.5 | 157 | 24.3 | 2 | 8-Ø19 |
| 5″ | 350 | 255 | 216 | 185 | 24.3 | 2 | 8-Ø22 |
| 6″ | 380 | 280 | 241.3 | 216 | 25.9 | 2 | 8-Ø22 |
| 8″ | 480 | 345 | 298.5 | 270 | 29 | 2 | 8-Ø22 |
| 10″ | 545 | 405 | 362 | 324 | 30.6 | 2 | 12-Ø25 |
| 12″ | 605 | 485 | 431.8 | 381 | 32.2 | 2 | 12-Ø25 |
JIS, 15A–300A, 10K
| Size | L | D | D1 | D2 | b | f | n-Ød |
|---|---|---|---|---|---|---|---|
| 15A | 120 | 95 | 70 | 51 | 12 | 1 | 4-Ø15 |
| 20A | 140 | 100 | 75 | 65 | 14 | 1 | 4-Ø15 |
| 25A | 150 | 125 | 90 | 67 | 14 | 1 | 4-Ø19 |
| 32A | 170 | 135 | 100 | 76 | 16 | 2 | 4-Ø19 |
| 40A | 190 | 140 | 105 | 81 | 16 | 2 | 4-Ø19 |
| 50A | 215 | 155 | 120 | 96 | 16 | 2 | 4-Ø19 |
| 65A | 250 | 175 | 140 | 116 | 18 | 2 | 4-Ø19 |
| 80A | 285 | 185 | 150 | 126 | 18 | 2 | 8-Ø19 |
| 100A | 300 | 210 | 175 | 151 | 18 | 2 | 8-Ø19 |
| 125A | 350 | 250 | 210 | 182 | 20 | 2 | 8-Ø23 |
| 150A | 380 | 280 | 240 | 212 | 22 | 2 | 8-Ø23 |
| 200A | 480 | 330 | 290 | 262 | 22 | 2 | 12-Ø23 |
| 250A | 545 | 400 | 355 | 324 | 24 | 2 | 12-Ø25 |
| 300A | 605 | 445 | 400 | 368 | 24 | 3 | 16-Ø25 |
— = not yet confirmed; sent with your quotation. L face-to-face · D flange outside diameter · D1 bolt circle diameter · D2 raised face diameter · b flange thickness · f raised face height · n-Ød number and diameter of bolt holes.
Y-STRAINERS · WENZHOUChecked before packing
Face-to-face and flange dimensions are checked against the drawing before packing. Each strainer gets a QC tag with model, size, rating and inspector.
Pressure rating
Pressure Rating
| Rating | Flange standard | Pressure |
|---|---|---|
| PN16 | GB | 1.6 MPa nominal |
| Class 150 | ASME | ASME pressure–temperature rating for the body material |
| 10K | JIS | JIS 10K rating (nominal 10 kgf/cm²) |
Nominal pressure at room temperature. The allowed pressure falls as the temperature rises.
Testing
Shell Test on Every Strainer
| Test | Pressure |
|---|---|
| Shell test (water) | 1.5 × rated pressure |
Actual test pressures for each strainer are on the test report.
HYDRAULIC TEST BENCH
SHELL & SEAT TESTQuality records
A Product Test Report in Every Shipment
- Heat number of the body casting
- Chemical composition against ASTM limits
- Mechanical properties: tensile, yield, elongation
- Shell and seat test pressure and hold time
- Signed and stamped by our QC department
We welcome third-party inspection (e.g. SGS or BV), arranged and paid for by the buyer; inspectors get full access to our plant and test bench.
Download Sample EN 10204 3.1 Report (PDF)How to order
How to Order
Tell us the size, rating, body material and the media. We confirm the screen mesh and send the drawing for your size with the quotation.
Send us these 7 details for a fast quote
- Size (DN15–DN300 / ½″–12″)
- Flange standard (GB PN16 / ASME Class 150 / JIS 10K)
- Body material (WCB / CF8 / CF3M)
- Media, temperature and flow rate
- Required mesh size
- Quantity
- Destination port
Made by BAUTU
From Casting to Crate
01 CASTING
02 MACHINING03 ASSEMBLY
04 PRESSURE TEST
Y-STRAINERS IN PRODUCTIONSee the valve before you order
Want to see your own order before it ships? Book a live video call and we show your valves on the test bench.
Book a Video Tour
BAGGED & CAPPEDPacking & delivery
Packed for Sea Freight
- Flange faces capped to protect the sealing face
- Each valve bagged; the order packed in plywood cases
- Product test report inside every case
- Standard sizes ship in 15–20 days
FAQ
Frequently Asked Questions
What does a Y-strainer do?
It traps solid particles such as scale, rust and weld slag in a removable screen, so they do not damage or block pumps, meters and valves further down the line.
Which flange standards and sizes are available?
GB PN16 (DN15–DN300), ASME Class 150 (½″–12″) and JIS 10K (15A–300A). Face-to-face and flange dimensions for all three are in the dimension tables on this page.
How is a Y-strainer installed?
In horizontal pipe with the screen leg pointing down, or in vertical pipe with downward flow, with the arrow on the body in the flow direction. Leave room below the cover to pull out the screen for cleaning.
Which mesh size do I need?
It depends on the particles you need to stop and the pressure drop you can accept. Tell us the media and the equipment you are protecting, and we confirm the screen with your quotation.
Which body material should I choose: WCB, CF8 or CF3M?
WCB carbon steel for non-corrosive water, oil, gas and steam. CF8 (cast 304) for general corrosion resistance. CF3M (cast 316L) for chlorides, seawater and chemical media.
What documents ship with the valve?
A product test report with the heat number of the body casting, chemical composition, mechanical properties and the pressure test results. We welcome third-party inspection (e.g. SGS or BV), arranged and paid for by the buyer.
What is the lead time?
Standard sizes ship in 15–20 days. Large sizes and special options may take longer; we confirm the delivery date with your quote.
Need a Quote for This Valve?
Send size, PN, body material and quantity. An engineer replies within 24 hours.