Description
Technical Data Sheet
Y-Type Strainer – Flanged – Ductile Iron – Stainless Steel Mesh
Product Name: Flanged Y-Type Strainer
- General Information
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Item
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Specification
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Product Type
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Y-Type Pipeline Strainer (T-Type / Angle Pattern)
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Body Material
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Ductile Iron (ASTM A536, 65-45-12 / GGG-50)
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Filter Element Material
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Stainless Steel (SS304 / SS316) Perforated or Wire Mesh
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Connection Type
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Flanged Ends
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Size Range
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DN50 ~ DN300 (2″ ~ 12″)
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Pressure Rating
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PN10 / PN16 / Class 125 / Class 150
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Application
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Water, Wastewater, Oil, Gas, and General Industrial Pipelines
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Operation
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Continuous filtration with periodic blow-off
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- Design Standards & Specifications
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Item
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Standard
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Design & Manufacturing
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GB/T 14382, MSS SP-70, BS 5152
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Face-to-Face Dimensions
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Manufacturer’s standard (short or long pattern)
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Flange Dimensions
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ASME B16.5 (Class 150), EN 1092-2 (PN10/16), or GB/T 17241.6
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Pressure Testing
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API 598 / EN 12266-1
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Screen Perforation
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GB/T 5330 or ISO 4783
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- Main Component Materials
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Part Name
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Material Specification
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Remarks
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Body
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Ductile Iron (GGG-50 / 65-45-12)
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Fusion bonded epoxy coated (FBE) or painted
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Cover / Bonnet
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Ductile Iron (GGG-50)
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Includes gasket seal
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Filter Screen (Mesh)
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Stainless Steel SS304 / SS316
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Perforated or woven wire mesh
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Gasket
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Compressed Non-Asbestos Fiber (CNAF) / PTFE
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Between body and cover
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Drain / Blow-off Plug
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Carbon Steel / Stainless Steel
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At bottom of strainer for cleaning
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Boltwork
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Carbon Steel Zinc Plated / Stainless Steel
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Cover bolts
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- Filter Mesh Specifications
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Item
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Standard Option
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Fine Filtration Option
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Screen Type
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Perforated Stainless Steel
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Woven Stainless Steel Wire Mesh
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Mesh Size / Perforation
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1.0 mm – 3.0 mm diameter holes
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10 mesh – 100 mesh (as required)
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Open Area Ratio
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≥ 50%
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≥ 40%
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Material Grade
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SS304 / SS316
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SS304 / SS316
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Retention Rating
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Coarse (800–3000 microns)
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Medium to Fine (150–2000 microns)
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- Technical Parameters & Dimensions (Reference)
Flange Drilling: PN16 / Class 150
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Nominal Size (DN)
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Length (L) mm
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Height (H) mm
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Flange O/D (D) mm
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Bolt Circle (D1) mm
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Flange Thickness (t) mm
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No. of Bolt Holes
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Weight (kg)
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DN50 (2″)
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230
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140
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165
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125
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19
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4
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8
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DN65 (2.5″)
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290
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165
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185
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145
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19
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4
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11
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DN80 (3″)
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310
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175
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200
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160
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20
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8
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14
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DN100 (4″)
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350
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215
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220
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180
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20
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8
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20
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DN125 (5″)
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400
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245
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250
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210
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22
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8
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27
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DN150 (6″)
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480
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280
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285
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240
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22
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8
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35
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DN200 (8″)
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600
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350
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340
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295
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24
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12
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55
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DN250 (10″)
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730
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430
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405
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355
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26
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12
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80
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DN300 (12″)
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850
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510
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460
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410
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26
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12
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110
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Note: Dimensions are for reference only. Actual dimensions may vary by manufacturer.
- Testing & Inspection
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Test Item
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Test Pressure (PN16)
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Acceptance Criteria
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Shell Hydrostatic Test
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1.5 × PN = 24 bar
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No visible leakage, no structural damage
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Seat / Body Seal Test
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1.1 × PN = 17.6 bar
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No leakage through cover gasket or drain plug
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Air Test (Optional)
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0.6 bar (6 bar optional)
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Soap bubble test for leak detection
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Screen Integrity
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Visual / Pass
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No tears, correct mesh size installed
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- Features & Options
- Ductile Iron Body: Higher strength and impact resistance compared to gray cast iron.
- Stainless Steel Screen: Corrosion-resistant, easy to clean, and replaceable.
- Flanged Connections: Easy installation and removal from pipeline.
- Bottom Drain / Blow-off Connection: Allows purging of debris without removing the screen (threaded plug or flanged outlet optional).
- Coating: Fusion Bonded Epoxy (FBE) or solvent-free epoxy for corrosion protection (optional).
- Screen Options:
- Perforated screen (standard for coarse filtration).
- Wire mesh lined screen (for finer filtration).
- Dual-element screens available upon request.
- Magnetic Insert: Optional magnetic rod to capture ferrous particles.
- Installation & Maintenance Notes
- Install with the screen chamber pointing vertically downward for easy cleaning.
- Flow direction must match the arrow on the body.
- Provide adequate space below the strainer for screen removal.
- Regularly open the blow-off valve or remove the screen for cleaning, depending on the debris load.
- Check gasket condition during screen maintenance and replace if necessary.
Note: This data sheet provides general specifications. For specific projects, please refer to the manufacturer’s final drawings and parameters.
GUATANTEE:
SAVVY VALVES is committed to delivering exceptional product quality and worry-free after-sales service. Our valves are guaranteed to provide a minimum service life of 12 months, during which we will supply all necessary spare parts and detailed maintenance instructions free of charge. Within the warranty period, if any non-human-induced damage occurs, we will replace components at no cost and provide professional technical support. After the warranty expires, customers only need to pay for the cost of spare parts, while still benefiting from discounted maintenance services. Our goal is to help clients reduce operational costs and enhance production efficiency through reliable quality and comprehensive after-sales support. Whether for technical inquiries or maintenance needs, our expert team will respond promptly to ensure your valve system maintains optimal performance at all times.
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