Performance, Precautions, and Differences from ASTM A182 F51 in Freeman Valve's ASTM A182 F53 Gate Valve

ASTM A182 F53 (corresponding to UNS S32750, commonly known as forgings) is a forged grade of super duplex stainless steel 2507, specifically designed for harsh chloride-containing environments. Its core advantages and disadvantages revolve around chloride ion corrosion scenarios:

1.1 Core Advantages of Freeman Valve's ASTM A182 F53 Gate Valve:

Freeman Valve leverages mature manufacturing processes to integrate the superior properties of ASTM A182 F53 material into its valve products. The core advantages are as follows:

1.1 Freeman Valve's ASTM A182 F53 gate valve possess excellent resistance to pitting and crevice corrosion: The PREN (pitting equivalent) of ASTM A182 F53 gate valve is >40, thanks to the 24-26% Cr, 4-5% Mo, and 0.2-0.3% Cr content in the material. The high N alloy ratio allows for stable resistance to media with chlorine concentrations exceeding 4% (such as seawater concentrate), exhibiting corrosion resistance far superior to 316L stainless steel and ordinary duplex steel gate valve.

1.2 Freeman Valve's ASTM 182 F53 gate valve possess outstanding resistance to Cl⁻ stress corrosion cracking (SCC): Utilizing the material's inherent ferrite-austenite duplex structure and high nitrogen content, it effectively inhibits chloride ion-induced stress corrosion cracking, enabling stable application in high-temperature, high-chlorine, and high-stress conditions, such as high-pressure sections of seawater desalination and flue gas desulfurization (FGD) slurry systems.

1.3 Freeman Valve's ASTM 182 F53 gate valve combine strength and corrosion resistance: ASTM 182 F53 gate valve has a yield strength ≥550MPa and a tensile strength ≥795MPa. This high strength allows for thinner valve body designs, reducing equipment weight and optimizing life-cycle costs, resulting in a superior overall cost-performance ratio compared to super austenitic steel gate valve such as 904L.

1.4 Freeman Valve's ASTM A182 F53 gate valve offer excellent corrosion fatigue resistance, making them suitable for environments with both dynamic loads and corrosive conditions, such as gate valve for offshore platform circulating pumps. They exhibit enhanced long-term stability and reduce equipment maintenance frequency.

2. Precautions for Using ASTM A182 F53 Gate Valve

2.1 High-Temperature Limitations: At temperatures above 315°C, ASTM A182 F53 gate valve is prone to intermetallic phase precipitation, leading to valve body embrittlement and decreased corrosion resistance. Therefore, they are not suitable for long-term high-temperature operation; the operating temperature range must be strictly controlled during selection.

3. Selection Guidelines for ASTM A182 F51 and ASTM A182 F53 Gate Valve

Based on the material properties of both valve grades and actual operating conditions, Freeman Valve offers the following selection recommendations:

3.1 Use chloride ion concentration as the core selection criterion: When the Cl⁻ concentration in the medium is ≤2%, ASTM A182 F51 gate valve is preferred, as they meet general corrosion requirements and offer better cost-effectiveness;

3.2 When the Cl⁻ concentration is >2%, or when the operating conditions include harsh conditions such as high temperature and high stress, ASTM A182 F53 gate valve is preferred;

3.3 For extreme corrosive conditions such as high-temperature concentrated hydrochloric acid, nickel-based alloy gate valve may be considered.

Design Standard of F53 Gate Valve (UNS S32750 Gate Valve):

Design Acc. to ASME B16.34 (ANSI Standard F53 Gate Valve (UNS S32750 Gate Valve));

Design Acc. to EN-12516-1/2 (EN Standard F53 Gate Valve (UNS S32750 Gate Valve), DIN Standard F53 Gate Valve (UNS S32750 Gate Valve)).

Test Standard of F53 Gate Valve (UNS S32750 Gate Valve):

Test Acc. to API 598 (ANSI Standard F53 Gate Valve (UNS S32750 Gate Valve));

Test Acc. to EN 12266-1/2 (EN Standard F53 Gate Valve (UNS S32750 Gate Valve), DIN Standard F53 Gate Valve (UNS S32750 Gate Valve)).

Surface Finishing of F53 Gate Valve (UNS S32750 Gate Valve):

All F53 Gate Valve (UNS S32750 Gate Valve) surface is finely machined to achieve the required roughness and conforms to standard MSS SP-110.

Size of F53 Gate Valve (UNS S32750 Gate Valve):

From DN1/4’’ to 48’’ (ANSI Standard F53 Gate Valve (UNS S32750 Gate Valve));

From DN8 to DN1200 (EN Standard F53 Gate Valve (UNS S32750 Gate Valve), DIN Standard F53 Gate Valve (UNS S32750 Gate Valve)).

Face to Face of F53 Gate Valve (UNS S32750 Gate Valve):

Face to Face Acc. to ASME B16.10 (ANSI Standard F53 Gate Valve (UNS S32750 Gate Valve));

Face to Face Acc. to EN 558-1 (EN Standard F53 Gate Valve (UNS S32750 Gate Valve), DIN Standard F53 Gate Valve (UNS S32750 Gate Valve)).

Pressure Rating of F53 Gate Valve (UNS S32750 Gate Valve):

ANSI Class 150 F53 Gate Valve (UNS S32750 Gate Valve) (ANSI Standard F53 Gate Valve (UNS S32750 Gate Valve));

ANSI Class 300 F53 Gate Valve (UNS S32750 Gate Valve) (ANSI Standard F53 Gate Valve (UNS S32750 Gate Valve));

ANSI Class 600 F53 Gate Valve (UNS S32750 Gate Valve) (ANSI Standard F53 Gate Valve (UNS S32750 Gate Valve));

ANSI Class 800 F53 Gate Valve (UNS S32750 Gate Valve) (ANSI Standard F53 Gate Valve (UNS S32750 Gate Valve));

ANSI Class 900 F53 Gate Valve (UNS S32750 Gate Valve) (ANSI Standard F53 Gate Valve (UNS S32750 Gate Valve));

ANSI Class 1500 F53 Gate Valve (UNS S32750 Gate Valve) (ANSI Standard F53 Gate Valve (UNS S32750 Gate Valve));

ANSI Class 2500 F53 Gate Valve (UNS S32750 Gate Valve) (ANSI Standard F53 Gate Valve (UNS S32750 Gate Valve));

EN 1092 PN 16 F53 Gate Valve (UNS S32750 Gate Valve) (EN Standard F53 Gate Valve (UNS S32750 Gate Valve), DIN Standard F53 Gate Valve (UNS S32750 Gate Valve));

EN 1092 PN 25 F53 Gate Valve (UNS S32750 Gate Valve) (EN Standard F53 Gate Valve (UNS S32750 Gate Valve), DIN Standard F53 Gate Valve (UNS S32750 Gate Valve));

EN 1092 PN 40 F53 Gate Valve (UNS S32750 Gate Valve) (EN Standard F53 Gate Valve (UNS S32750 Gate Valve), DIN Standard F53 Gate Valve (UNS S32750 Gate Valve));

EN 1092 PN 63 F53 Gate Valve (UNS S32750 Gate Valve) (EN Standard F53 Gate Valve (UNS S32750 Gate Valve), DIN Standard F53 Gate Valve (UNS S32750 Gate Valve));

EN 1092 PN 100 F53 Gate Valve (UNS S32750 Gate Valve) (EN Standard F53 Gate Valve (UNS S32750 Gate Valve), DIN Standard F53 Gate Valve (UNS S32750 Gate Valve));

EN 1092 PN 160 F53 Gate Valve (UNS S32750 Gate Valve) (EN Standard F53 Gate Valve (UNS S32750 Gate Valve), DIN Standard F53 Gate Valve (UNS S32750 Gate Valve));

EN 1092 PN 250 F53 Gate Valve (UNS S32750 Gate Valve) (EN Standard F53 Gate Valve (UNS S32750 Gate Valve), DIN Standard F53 Gate Valve (UNS S32750 Gate Valve));

EN 1092 PN 320 F53 Gate Valve (UNS S32750 Gate Valve) (EN Standard F53 Gate Valve (UNS S32750 Gate Valve), DIN Standard F53 Gate Valve (UNS S32750 Gate Valve));

EN 1092 PN 400 F53 Gate Valve (UNS S32750 Gate Valve) (EN Standard F53 Gate Valve (UNS S32750 Gate Valve), DIN Standard F53 Gate Valve (UNS S32750 Gate Valve)).

Working Temperature of F53 Gate Valve (UNS S32750 Gate Valve):

Please refer to the "Temperature and Pressure Curve of F53 Gate Valve (UNS S32750 Gate Valve)" for temperature and pressure changes.

Ends Connection of F53 Gate Valve (UNS S32750 Gate Valve):

ANSI Flange Ends F53 Gate Valve (UNS S32750 Gate Valve);

ANSI Integral Flange Ends F53 Gate Valve (UNS S32750 Gate Valve);

ANSI Welded Flange Ends F53 Gate Valve (UNS S32750 Gate Valve);

Butt Weld (ASME B16.25) Ends F53 Gate Valve (UNS S32750 Gate Valve);

Butt Weld x ANSI Flange Ends F53 Gate Valve (UNS S32750 Gate Valve);

EN 1092 Flange Ends F53 Gate Valve (UNS S32750 Gate Valve);

EN 1092 Integral Flange Ends F53 Gate Valve (UNS S32750 Gate Valve);

EN 1092 Welded Flange Ends F53 Gate Valve (UNS S32750 Gate Valve);

Butt Weld (EN 12627) Ends F53 Gate Valve (UNS S32750 Gate Valve);

Butt Weld (ISO 1127) Ends F53 Gate Valve (UNS S32750 Gate Valve);

Butt Weld x EN 1092 Flange Ends F53 Gate Valve (UNS S32750 Gate Valve);

Male NPT (ASME B1.20.1) Ends F53 Gate Valve (UNS S32750 Gate Valve);

Male BSPP (ISO 228-1) Ends F53 Gate Valve (UNS S32750 Gate Valve);

Male BSPT (ISO 7-1) Ends F53 Gate Valve (UNS S32750 Gate Valve);

Male NPT x Female NPT Ends F53 Gate Valve (UNS S32750 Gate Valve);

Male BSPP x Female BSPP Ends F53 Gate Valve (UNS S32750 Gate Valve);

Male BSPT x Female BSPT Ends F53 Gate Valve (UNS S32750 Gate Valve);

Male NPT x Long Butt Weld (+100 mm) Ends F53 Gate Valve (UNS S32750 Gate Valve);

Male BSPP x Long Butt Weld (+100 mm) Ends F53 Gate Valve (UNS S32750 Gate Valve);

Male BSPT x Long Butt Weld (+100 mm) Ends F53 Gate Valve (UNS S32750 Gate Valve);

Female NPT (ASME B1.20.1) Ends F53 Gate Valve (UNS S32750 Gate Valve);

Female BSPP (ISO 228-1) Ends F53 Gate Valve (UNS S32750 Gate Valve);

Female BSPT (ISO 7-1) Ends F53 Gate Valve (UNS S32750 Gate Valve);

Socket Weld (ASME B16.11) Ends F53 Gate Valve (UNS S32750 Gate Valve);

Socket Weld (EN 12760) Ends F53 Gate Valve (UNS S32750 Gate Valve);

Female NPT x Socket Weld Ends F53 Gate Valve (UNS S32750 Gate Valve);

Female BSPP x Socket Weld Ends F53 Gate Valve (UNS S32750 Gate Valve);

Female BSPT x Socket Weld Ends F53 Gate Valve (UNS S32750 Gate Valve);

Butt Weld (ASME B16.25) Ends F53 Gate Valve (UNS S32750 Gate Valve);

Butt Weld (EN 12627) Ends F53 Gate Valve (UNS S32750 Gate Valve);

Female NPT x Butt Weld Ends F53 Gate Valve (UNS S32750 Gate Valve);

Female BSPP x Butt Weld Ends F53 Gate Valve (UNS S32750 Gate Valve);

Female BSPT x Butt Weld Ends F53 Gate Valve (UNS S32750 Gate Valve);

Female NPT x Long Butt Weld (+100 mm) Ends F53 Gate Valve (UNS S32750 Gate Valve);

Female BSPP x Long Butt Weld (+100 mm) Ends F53 Gate Valve (UNS S32750 Gate Valve);

Female BSPT x Long Butt Weld (+100 mm) Ends F53 Gate Valve (UNS S32750 Gate Valve);

Long Butt Weld (+100 mm Weld Stub) Ends F53 Gate Valve (UNS S32750 Gate Valve).

CE Marking of F53 Gate Valve (UNS S32750 Gate Valve):

CE Marking is Available to F53 Gate Valve (UNS S32750 Gate Valve) with a Diameter of DN32 or Larger.

Chemical Composition of F53 Gate Valve (UNS S32750 Gate Valve):

For the Chemical Composition of F53 Gate Valve (UNS S32750 Gate Valve), please refer to EN 10204 Type 3.1 certificate.

Mechanical Properties of F53 Gate Valve (UNS S32750 Gate Valve):

For the Mechanical Properties of F53 Gate Valve (UNS S32750 Gate Valve), please refer to EN 10204 Type 3.1 certificate.

Certificate of F53 Gate Valve (UNS S32750 Gate Valve):

All F53 Gate Valve (UNS S32750 Gate Valve) will be delivered with EN 10204 Type 3.1 Certificate.

Approvals of F53 Gate Valve (UNS S32750 Gate Valve):

MSS SP-110 Certified of F53 Gate Valve (UNS S32750 Gate Valve);

NACE MR 0175 Certified of F53 Gate Valve (UNS S32750 Gate Valve)

API 607 Fire Safe Certified of F53 Gate Valve (UNS S32750 Gate Valve);

ISO 9001 Certified of F53 Gate Valve (UNS S32750 Gate Valve);

PED Certified of F53 Gate Valve (UNS S32750 Gate Valve).

Available Upon Request of F53 Gate Valve (UNS S32750 Gate Valve):

NACE MR0175 is available upon request of F53 Gate Valve (UNS S32750 Gate Valve);

ATEX is available upon request of F53 Gate Valve (UNS S32750 Gate Valve);

TA-LUFT is available upon request of F53 Gate Valve (UNS S32750 Gate Valve);

SIL is available upon request of F53 Gate Valve (UNS S32750 Gate Valve);

Degreasing is available upon request of F53 Gate Valve (UNS S32750 Gate Valve);

Fire Safe is available upon request of F53 Gate Valve (UNS S32750 Gate Valve);

Stem Extension is available upon request of F53 Gate Valve (UNS S32750 Gate Valve);

Double Block and Bleed is available upon request of F53 Gate Valve (UNS S32750 Gate Valve).