TECHNICAL DATA SHEET
Product Name: 1-inch 800LB F22 Alloy Steel Y Pattern Strainer
Model/Specification: 1″-800LB-F22-Y-STRAINER
Product Type: Y Type Strainer (Forged)
Connection Type: Threaded (NPT) / Socket Weld (SW) / Butt Weld (BW) User specified
- Basic Design Parameters
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پارامتر
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Standard/Specification
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اندازه
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1 inch (DN25)
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Pressure Class
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Class 800 LB (PN130 / 2000 PSI)
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جنس بدنه
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Alloy Steel – ASTM A182 F22 (Cr-Mo Steel)
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Manufacturing Process
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Forged Steel (Close Die Forged)
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Design Standard
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API 602 / ASME B16.34 / BS 5352
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End Connection Standard
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ASME B1.20.1 (NPT) / ASME B16.11 (SW) / ASME B16.25 (BW)
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Face to Face Standard
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Manufacturer Standard / MSS SP-118
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Test & Inspection Std.
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API 598
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Screen / Basket Design
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Perforated or Mesh type, removable for cleaning
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- Technical Specifications
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پارامتر
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Details
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Strainer Type
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Y Pattern, Forged Steel Construction
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Bonnet Type
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Bolted Bonnet / Screwed Bonnet (with gasket seal)
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Service Temperature
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-29°C to 550°C (F22 alloy suitable for high temp)
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Applicable Media
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Steam, High-Temperature Steam, Gas, Oil, Water, Corrosive Fluids
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Filtration Element
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Removable Stainless Steel Screen (SS304/SS316)
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Screen Mesh / Perforation
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Standard: 20 mesh (0.84 mm) / Optional: 40, 60, 80, 100 mesh or perforated
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Installation Position
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Horizontal or Vertical (downward flow)
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Pressure Direction
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Bidirectional (flow arrow indicates direction)
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- Material of Construction (F22 Alloy Steel)
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Part Name
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مواد
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Standard/Grade
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بدن
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Alloy Steel – F22 (2.25% Cr – 1% Mo)
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ASTM A182 F22
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Bonnet / Cover
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Alloy Steel – F22
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ASTM A182 F22
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Screen / Filter Element
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Stainless Steel
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SS304 / SS316
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Gasket
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Stainless Steel + Flexible Graphite
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SS + Graphite (for high temperature)
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Bonnet Bolts / Studs
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Alloy Steel
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ASTM A193 B16 (for Cr-Mo service)
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Bonnet Nuts
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Alloy Steel
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ASTM A194 Gr.4 / Gr.7
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Drain / Blowdown Plug
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Stainless Steel / Alloy Steel
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Optional (if specified)
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Nameplate
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Stainless Steel / Aluminum
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With rivets
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- Main Dimensions & Connection Details
Note: Dimensions are for 1″ Forged Y Strainer. Values are based on industry standards and may vary by manufacturer .
4.1 End-to-End Dimensions (Face-to-Face)
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اندازه
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Pressure Class
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Connection Type
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L (mm)
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L (in)
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H (mm)
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H (in)
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Weight (kg)
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Weight (lbs)
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1″
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800LB
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NPT / SW / BW
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98-111
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3.86-4.37
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70-100
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2.76-3.94
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~2.1-4.2
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~4.6-9.3
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*Note:
- L dimension typically ranges from 98mm to 111mm for 1″ Class 800 strainers .
- H dimension (height from centerline to bottom of bonnet) approximately 70-100mm .*
4.2 End Preparation Details (Per ASME Standards)
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Connection Type
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استاندارد
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Details
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Threaded (NPT)
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ASME B1.20.1
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Tapered pipe threads, 1″ NPT Female
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Socket Weld (SW)
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ASME B16.11
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Socket depth per standard, bore to match pipe schedule
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جوش لب به لب (BW)
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ASME B16.25
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Bevel: 37.5°, Root face: 1.6 mm
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4.3 Screen Details
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پارامتر
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Standard Value
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Screen Material
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SS304 / SS316
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Mesh Size (Standard)
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20 mesh (0.84 mm openings)
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Perforation Size
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0.8 mm – 1.6 mm (optional)
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Open Area Ratio
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> 50% of pipe cross-section
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Screen Removal
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Removable through bonnet opening
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- Pressure-Temperature Rating (ASME B16.34 / Class 800)
*Material Group: Alloy Steel – ASTM A182 F22 (1.25Cr-0.5Mo / 2.25Cr-1Mo)*
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Temperature (°C)
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Working Pressure (bar)
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Working Pressure (psi)
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یادداشتها
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-29 to 38
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130
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1885
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Maximum Rating (Class 800 / PN130)
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100
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124
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1800
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200
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117
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1700
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300
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110
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1600
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400
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103
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1490
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450
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98
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1420
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500
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92
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1335
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Suitable for high temp service
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550
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85
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1235
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Max for F22 material
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*Note: F22 alloy maintains strength at elevated temperatures, suitable for high-temperature steam and hydrocarbon service.*
- Test Pressure (API 598)
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Test Type
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Medium
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Pressure (bar)
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Pressure (psi)
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Acceptance Criteria
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Shell Test (Hydrostatic)
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Water
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195
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2828
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1.5 x 38°C Rating (no visible leakage)
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Seat / Screen Test
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Air / N2
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5.5 – 7.0
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80 – 100
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Per API 598
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Gasket Seal Test
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Air / N2
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5.5
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80
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No visible leakage
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- Flow Characteristics & Pressure Drop
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پارامتر
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Value
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Flow Coefficient Cv (approx)
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~12 – 15 (typical for 1″ Y strainer)
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Pressure Drop
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Minimal when clean (typically < 0.2 bar at rated flow)
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Screen Open Area
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2-3 times pipe cross-sectional area
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Recommended Flow Velocity
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Water: < 2.5 m/s, Steam: < 25 m/s
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- Features & Applications
- Key Features:
- High-Temperature Alloy Construction (F22): Chrome-Molybdenum alloy steel (ASTM A182 F22) provides excellent strength and oxidation resistance at elevated temperatures up to 550°C, making it ideal for high-temperature steam and hydrocarbon services .
- Forged Body: Forged construction ensures superior strength, grain structure integrity, and freedom from porosity, critical for high-pressure Class 800 applications .
- Y Pattern Design: Compact Y-shaped body minimizes pressure drop while providing effective debris removal .
- Removable Stainless Steel Screen: Easy maintenance – screen can be removed for cleaning without removing the strainer from the pipeline .
- Bolted / Screwed Bonnet: Secure seal design with high-temperature gasket (graphite) for reliable operation .
- Multiple End Options: Available in NPT threaded, socket weld, or butt weld connections to suit various piping specifications .
- Equipment Protection: Protects downstream equipment such as control valves, pumps, steam traps, and flow meters from damaging debris .
- Versatile Installation: Can be installed in horizontal or vertical (downward flow) pipelines .
- Customizable Filtration: Standard 20 mesh screen with optional finer meshes (40, 60, 80, 100) or perforated screens available based on application requirements .
- Main Applications:
- High-Temperature Steam Systems: Power plants, boiler houses, steam distribution networks .
- Refineries & Petrochemical Plants: Hydrocarbon processing, high-temperature oil and gas lines.
- Thermal Oil / Heat Transfer Systems: Protecting pumps and heaters from debris .
- Process Industry: Chemical processing, high-temperature fluid filtration.
- Upstream of Critical Equipment: Installed before control valves, steam traps, flow meters, and pumps .
- Condensate Lines: Removing rust and scale from condensate return systems .
*Disclaimer: The above data is prepared based on common industry standards (API 602, ASME B16.34) for forged alloy steel Y strainers. Specific dimensions, materials, and pressure ratings may vary by manufacturer. F22 alloy is specially suited for high-temperature service up to 550°C. The final technical agreement and certified drawings shall prevail.*
ضمانت:
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