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filter strainer
filter y strainer
y strainer 1 1 4
y strainer 1 2
y strainer filter
Size 3/4 inch (DN20)
Pressure Class Class 150 LB (PN20 / 290 PSI)
Body Material Super Duplex Stainless Steel – ASTM A182 F53 (UNS S32750)
Manufacturing Process Investment Casting / Close Die Forged Steel
Design Standard ASME B16.34 / BS 5352 / MSS SP-118
End Connection Standard ASME B1.20.1 (NPT Female)
Face to Face Standard Manufacturer Standard / MSS SP-118



3/4″-150LB F53 Y Pattern Strainer
TECHNICAL DATA SHEET
Product Name: 3/4-inch 150LB F53 Super Duplex Stainless Steel Y Pattern Strainer
Model/Specification: 3/4″-150LB-F53-Y-STRAINER-NPTF
Product Type: Y Type Strainer (Threaded)
Material: Super Duplex Stainless Steel – ASTM A182 F53 (UNS S32750)
Connection Type: NPT Female (NPT-F)
|
Parameter |
Standard/Specification |
|
Misurare |
3/4 inch (DN20) |
|
Pressure Class |
Class 150 LB (PN20 / 290 PSI) |
|
Materiale del corpo |
Super Duplex Stainless Steel – ASTM A182 F53 (UNS S32750) |
|
Manufacturing Process |
Investment Casting / Close Die Forged Steel |
|
Design Standard |
ASME B16.34 / BS 5352 / MSS SP-118 |
|
End Connection Standard |
ASME B1.20.1 (NPT Female) |
|
Face to Face Standard |
Manufacturer Standard / MSS SP-118 |
|
Test & Inspection Std. |
API 598 / ISO 5208 |
|
Screen / Basket Design |
Perforated or Mesh type, removable for cleaning |
ASTM A182 F53 (UNS S32750 / 2507) is a super duplex stainless steel with a PREN (Pitting Resistance Equivalent Number) ≥ 40, offering exceptional resistance to pitting, crevice corrosion, and chloride stress corrosion cracking in highly aggressive environments .
2.1 Chemical Composition (Weight %)
|
Element |
Cr |
Ni |
Mo |
N |
C |
Mn |
Si |
P |
S |
Cu |
|
F53 |
24.0-26.0 |
6.0-8.0 |
3.0-5.0 |
0.24-0.32 |
0.03 max |
1.20 max |
0.80 max |
0.035 max |
0.020 max |
0.50 max |
2.2 Mechanical Properties
|
Property |
Value |
|
Tensile Strength (min) |
795-800 MPa (116 ksi) |
|
Yield Strength (0.2% min) |
550 MPa (80 ksi) |
|
Elongation (min) |
15-25% |
|
Hardness (max) |
290-310 HBW / 32 HRC |
|
PREN (typical) |
41-43 |
|
Microstructure |
40-60% Ferrite / Austenite balanced |
|
Maximum Service Temperature |
315°C (600°F) |
|
Parametro |
Details |
|
Strainer Type |
Y Pattern, Threaded Ends |
|
Bonnet Type |
Bolted Bonnet / Screwed Bonnet with Gasket Seal |
|
Service Temperature |
-50°C to +315°C (F53 super duplex range) |
|
Applicable Media |
Seawater, Chloride-rich brines, Sour gas (NACE), Crude oil, Chemical process fluids, Offshore production fluids |
|
Filtration Element |
Removable Stainless Steel Screen (Super Duplex / SS316L) |
|
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) |
|
NACE Compliance |
NACE MR0175 / ISO 15156 for sour service |
|
Part Name |
Materiale |
Standard/Grade |
|
Corpo |
Super Duplex Stainless Steel – F53 |
ASTM A182 F53 (UNS S32750) |
|
Bonnet / Cover |
Super Duplex Stainless Steel – F53 |
ASTM A182 F53 (UNS S32750) |
|
Screen / Filter Element |
Super Duplex Stainless Steel / SS316L |
UNS S32750 / AISI 316L |
|
Gasket |
Stainless Steel + Flexible Graphite |
Spiral Wound – Super Duplex + Graphite |
|
Bonnet Bolts / Studs |
Super Duplex Stainless Steel |
ASTM A479 S32750 / ASTM A182 F53 |
|
Bonnet Nuts |
Super Duplex Stainless Steel |
ASTM A479 S32750 |
|
Drain / Blowdown Plug |
Super Duplex Stainless Steel |
ASTM A182 F53 |
|
Nameplate |
Stainless Steel |
SS304 / SS316 |
*Note: Dimensions for 3/4″ Class 150 Threaded Y Strainer with NPT Female ends. Based on MSS SP-118 and industry standards .*
5.1 End-to-End Dimensions (Face-to-Face – NPT Female)
|
Misurare |
Pressure Class |
L (mm) |
L (in) |
H (mm) |
H (in) |
Weight (kg) |
Weight (lbs) |
|
3/4″ |
150LB |
80-100 |
3.15-3.94 |
65-85 |
2.56-3.35 |
~1.5-2.5 |
~3.3-5.5 |
Note: Dimensions are manufacturer dependent. Consult manufacturer for certified drawings.
5.2 NPT Female Thread Details (Per ASME B1.20.1)
|
Parametro |
3/4″ NPT-F |
|
Thread Size |
3/4″ NPT Female |
|
Thread Type |
Tapered Pipe Thread (National Pipe Taper) |
|
Threads per Inch (TPI) |
14 |
|
Thread Engagement Length (Min) |
14.0 mm (0.55 in) |
|
Pipe Thread Depth |
Standard NPT thread depth |
|
Sealing Method |
Thread sealant or PTFE tape required during installation |
5.3 Screen Details
|
Parametro |
Standard Value |
|
Screen Material |
Super Duplex S32750 / SS316L |
|
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 |
*Material Group: Super Duplex Stainless Steel (F53/UNS S32750)*
|
Temperature (°C) |
Working Pressure (bar) |
Working Pressure (psi) |
Notes |
|
-50 to 38 |
19.6 |
285 |
Maximum Rating (Class 150) |
|
50 |
19.2 |
278 |
|
|
100 |
17.7 |
257 |
|
|
150 |
16.1 |
234 |
|
|
200 |
14.4 |
209 |
|
|
250 |
12.8 |
186 |
|
|
315 |
~10.0 |
~145 |
Max temp per F53 limits |
Note: F53 super duplex has excellent retention of strength at elevated temperatures within the Class 150 envelope.
|
Test Type |
Medium |
Pressure (bar) |
Pressure (psi) |
Acceptance Criteria |
|
Shell Test (Hydrostatic) |
Water |
29.4 |
426 |
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 |
|
Corrosion Test (Optional) |
Per ASTM A923 |
— |
— |
Ferric chloride at 50°C |
|
Parametro |
Value |
|
Flow Coefficient Cv (approx) |
~9 – 11 (typical for 3/4″ threaded Y strainer) |
|
Pressure Drop |
Minimal when clean (< 0.2 bar at rated flow) |
|
Screen Open Area |
2-3 times pipe cross-sectional area |
|
Recommended Flow Velocity |
Water: < 2.5 m/s, Gas: < 30 m/s |
|
Feature |
Benefit |
|
High PREN (≥40) |
Superior resistance to pitting and crevice corrosion in chloride environments |
|
High Yield Strength (550 MPa) |
Allows thinner walls or higher safety margins |
|
NACE MR0175 Compliance |
Suitable for sour service (H₂S environments) |
|
Excellent Seawater Resistance |
Critical pitting temperature 55-70°C vs 35-45°C for 2205 |
|
Bidirectional Strength |
Balanced duplex microstructure provides strength and toughness |
|
Long Service Life |
Reduced corrosion rates in aggressive media |
|
Property |
F53 (Super Duplex) |
316/316L (Austenitic) |
F51/2205 (Duplex) |
|
PREN |
41-43 |
24-26 |
34-36 |
|
Yield Strength (min) |
550 MPa |
210 MPa |
450 MPa |
|
Critical Pitting Temp |
55-70°C |
15-20°C |
35-45°C |
|
Seawater Service |
Up to 50°C |
Ambient only |
Ambient only |
|
Relative Cost |
High |
Baseline |
Moderate |
Please specify when ordering:
*Disclaimer: The above data is prepared based on common industry standards (ASME B16.34, API 598, ASTM A182, MSS SP-118) for F53 super duplex Y strainers with NPT female connections . F53 (UNS S32750) is a premium super duplex stainless steel requiring specialized welding and handling procedures . NPT threads provide a reliable tapered pipe thread seal when properly installed with appropriate sealant. Specific dimensions may vary by manufacturer. The final technical agreement and certified drawings shall prevail.*
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