Standard Y Strainer

Product Type Y-Type Pipeline Strainer (T-Type / Angle Pattern)
Body Material Ductile Iron (ASTM A536, 65-45-12 / GGG-50)
Filter Element Material Stainless Steel (SS304 / SS316) Perforated or Wire Mesh
Connection Type Flanged Ends
Size Range DN50 ~ DN300 (2″ ~ 12″)
Pressure Rating PN10 / PN16 / Class 125 / Class 150

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Description

Technical Data Sheet

Y-Type Strainer – Flanged – Ductile Iron – Stainless Steel Mesh

Product Name: Flanged Y-Type Strainer

General Information

Item	仕様
Product Type	Y-Type Pipeline Strainer (T-Type / Angle Pattern)
ボディ素材	Ductile Iron (ASTM A536, 65-45-12 / GGG-50)
Filter Element Material	Stainless Steel (SS304 / SS316) Perforated or Wire Mesh
Connection Type	Flanged Ends
Size Range	DN50 ~ DN300 (2″ ~ 12″)
圧力定格	PN10 / PN16 / Class 125 / Class 150
応用	Water, Wastewater, Oil, Gas, and General Industrial Pipelines
手術	Continuous filtration with periodic blow-off

Design Standards & Specifications

Item	標準
Design & Manufacturing	GB/T 14382, MSS SP-70, BS 5152
Face-to-Face Dimensions	Manufacturer’s standard (short or long pattern)
Flange Dimensions	ASME B16.5 (Class 150), EN 1092-2 (PN10/16), or GB/T 17241.6
Pressure Testing	API 598 / EN 12266-1
Screen Perforation	GB/T 5330 or ISO 4783

Main Component Materials

Part Name	Material Specification	Remarks
体	Ductile Iron (GGG-50 / 65-45-12)	Fusion bonded epoxy coated (FBE) or painted
Cover / Bonnet	Ductile Iron (GGG-50)	Includes gasket seal
Filter Screen (Mesh)	Stainless Steel SS304 / SS316	Perforated or woven wire mesh
Gasket	Compressed Non-Asbestos Fiber (CNAF) / PTFE	Between body and cover
Drain / Blow-off Plug	Carbon Steel / Stainless Steel	At bottom of strainer for cleaning
Boltwork	Carbon Steel Zinc Plated / Stainless Steel	Cover bolts

Filter Mesh Specifications

Item	Standard Option	Fine Filtration Option
Screen Type	Perforated Stainless Steel	Woven Stainless Steel Wire Mesh
Mesh Size / Perforation	1.0 mm – 3.0 mm diameter holes	10 mesh – 100 mesh (as required)
Open Area Ratio	≥ 50%	≥ 40%
Material Grade	SS304 / SS316	SS304 / SS316
Retention Rating	Coarse (800–3000 microns)	Medium to Fine (150–2000 microns)

Technical Parameters & Dimensions (Reference)

Flange Drilling: PN16 / Class 150

Nominal Size (DN)	Length (L) mm	Height (H) mm	Flange O/D (D) mm	Bolt Circle (D1) mm	Flange Thickness (t) mm	No. of Bolt Holes	Weight (kg)
DN50 (2″)	230	140	165	125	19	4	8
DN65 (2.5″)	290	165	185	145	19	4	11
DN80 (3″)	310	175	200	160	20	8	14
DN100 (4″)	350	215	220	180	20	8	20
DN125 (5″)	400	245	250	210	22	8	27
DN150 (6″)	480	280	285	240	22	8	35
DN200 (8″)	600	350	340	295	24	12	55
DN250 (10″)	730	430	405	355	26	12	80
DN300 (12″)	850	510	460	410	26	12	110

Note: Dimensions are for reference only. Actual dimensions may vary by manufacturer.

Testing & Inspection

Test Item	Test Pressure (PN16)	Acceptance Criteria
Shell Hydrostatic Test	1.5 × PN = 24 bar	No visible leakage, no structural damage
Seat / Body Seal Test	1.1 × PN = 17.6 bar	No leakage through cover gasket or drain plug
Air Test (Optional)	0.6 bar (6 bar optional)	Soap bubble test for leak detection
Screen Integrity	Visual / Pass	No tears, correct mesh size installed

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).
コーティング： 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.

保証:

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