filter strainer

inline y strainer

y strainer 1 1 4

y strainer 1 2

y strainer filter

1″-800LB F22 Y Pattern Strainer

1″-800LB F22 Y Pattern Strainer

Size 1 inch (DN25)
Pressure Class Class 800 LB (PN130 / 2000 PSI)
Body Material Alloy Steel – ASTM A182 F22 (Cr-Mo Steel)
Manufacturing Process Forged Steel (Close Die Forged)
Design Standard API 602 / ASME B16.34 / BS 5352

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

  1. Basic Design Parameters

매개변수

Standard/Specification

크기

1 inch (DN25)

Pressure Class

Class 800 LB (PN130 / 2000 PSI)

본체 재질

Alloy Steel – ASTM A182 F22 (Cr-Mo Steel)

Manufacturing Process

Forged Steel (Close Die Forged)

Design Standard

API 602 / ASME B16.34 / BS 5352

End Connection Standard

ASME B1.20.1 (NPT) / ASME B16.11 (SW) / ASME B16.25 (BW)

Face to Face Standard

Manufacturer Standard / MSS SP-118

Test & Inspection Std.

API 598

Screen / Basket Design

Perforated or Mesh type, removable for cleaning

  1. Technical Specifications

매개변수

Details

Strainer Type

Y Pattern, Forged Steel Construction

Bonnet Type

Bolted Bonnet / Screwed Bonnet (with gasket seal)

Service Temperature

-29°C to 550°C (F22 alloy suitable for high temp)

Applicable Media

Steam, High-Temperature Steam, Gas, Oil, Water, Corrosive Fluids

Filtration Element

Removable Stainless Steel Screen (SS304/SS316)

Screen Mesh / Perforation

Standard: 20 mesh (0.84 mm) / Optional: 40, 60, 80, 100 mesh or perforated

Installation Position

Horizontal or Vertical (downward flow)

Pressure Direction

Bidirectional (flow arrow indicates direction)

  1. Material of Construction (F22 Alloy Steel)

Part Name

재료

Standard/Grade

Alloy Steel – F22 (2.25% Cr – 1% Mo)

ASTM A182 F22

Bonnet / Cover

Alloy Steel – F22

ASTM A182 F22

Screen / Filter Element

Stainless Steel

SS304 / SS316

Gasket

Stainless Steel + Flexible Graphite

SS + Graphite (for high temperature)

Bonnet Bolts / Studs

Alloy Steel

ASTM A193 B16 (for Cr-Mo service)

Bonnet Nuts

Alloy Steel

ASTM A194 Gr.4 / Gr.7

Drain / Blowdown Plug

Stainless Steel / Alloy Steel

Optional (if specified)

Nameplate

Stainless Steel / Aluminum

With rivets

  1. 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)

크기

Pressure Class

Connection Type

L (mm)

L (in)

H (mm)

H (in)

Weight (kg)

Weight (lbs)

1″

800LB

NPT / SW / BW

98-111

3.86-4.37

70-100

2.76-3.94

~2.1-4.2

~4.6-9.3

*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)

Connection Type

기준

Details

Threaded (NPT)

ASME B1.20.1

Tapered pipe threads, 1″ NPT Female

Socket Weld (SW)

ASME B16.11

Socket depth per standard, bore to match pipe schedule

맞대기 용접(BW)

ASME B16.25

Bevel: 37.5°, Root face: 1.6 mm

4.3 Screen Details

매개변수

Standard Value

Screen Material

SS304 / SS316

Mesh Size (Standard)

20 mesh (0.84 mm openings)

Perforation Size

0.8 mm – 1.6 mm (optional)

Open Area Ratio

> 50% of pipe cross-section

Screen Removal

Removable through bonnet opening

  1. Pressure-Temperature Rating (ASME B16.34 / Class 800)

*Material Group: Alloy Steel – ASTM A182 F22 (1.25Cr-0.5Mo / 2.25Cr-1Mo)*

Temperature (°C)

Working Pressure (bar)

Working Pressure (psi)

노트

-29 to 38

130

1885

Maximum Rating (Class 800 / PN130)

100

124

1800

 

200

117

1700

 

300

110

1600

 

400

103

1490

 

450

98

1420

 

500

92

1335

Suitable for high temp service

550

85

1235

Max for F22 material

*Note: F22 alloy maintains strength at elevated temperatures, suitable for high-temperature steam and hydrocarbon service.*

  1. Test Pressure (API 598)

Test Type

Medium

Pressure (bar)

Pressure (psi)

Acceptance Criteria

Shell Test (Hydrostatic)

Water

195

2828

1.5 x 38°C Rating (no visible leakage)

Seat / Screen Test

Air / N2

5.5 – 7.0

80 – 100

Per API 598

Gasket Seal Test

Air / N2

5.5

80

No visible leakage

  1. Flow Characteristics & Pressure Drop

매개변수

Value

Flow Coefficient Cv (approx)

~12 – 15 (typical for 1″ Y strainer)

Pressure Drop

Minimal when clean (typically < 0.2 bar at rated flow)

Screen Open Area

2-3 times pipe cross-sectional area

Recommended Flow Velocity

Water: < 2.5 m/s, Steam: < 25 m/s

  1. 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.*

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