Features and applications of stainless steel 321 valves produced by Freeman Valve

1. Basic characteristics of stainless steel 321 valves:

321 stainless steel is an austenitic stainless steel (nominal composition: 18% Cr, 10% Ni, Ti≥5×C%) with titanium (Ti) added as a stabilizing element on the basis of 304 stainless steel. The addition of titanium effectively inhibits the precipitation of chromium carbide at the grain boundary, thereby significantly improving the resistance to intergranular corrosion. Freeman Valve is a manufacturer of stainless steel 321 valves.

2. The main advantages of stainless steel 321 valves produced by Freeman Valve:

2.1 The stainless steel 321 valves produced by Freeman Valve have good resistance to intergranular corrosion:

Titanium and carbon preferentially combine to form TiC, avoiding the precipitation of Cr23C6 in the sensitization temperature range (450-850℃), which is suitable for welding or high temperature environment.

2.2 The stainless steel 321 valves produced by Freeman Valve have excellent high temperature resistance:

The stainless steel 321 valves produced by Freeman Valve can work stably for a long time below 800℃ (short-term resistance to 900℃), and the oxidation resistance is better than 304, which is suitable for thermal cycle conditions.

2.3 The stainless steel 321 valves produced by Freeman Valve have good processing and weldability:

a. The austenitic structure gives the stainless steel 321 valves high ductility and easy cold forming;

b. The stainless steel 321 valves do not need annealing after welding (but the interlayer temperature needs to be controlled).

2.4 The stainless steel 321 valves produced by Freeman Valve have good comprehensive corrosion resistance:

The stainless steel 321 valves produced by Freeman Valve are resistant to atmospheric corrosion, weak acid corrosion, alkali corrosion and organic medium corrosion, and their performance is equivalent to 304.

3. The following issues should be noted when using stainless steel 321 valves:

3.1 The mechanical strength of stainless steel 321 valves is relatively low: 

The annealed yield strength of 321 stainless steel is about 205MPa, and it needs to be strengthened by cold working (but it will reduce corrosion resistance);

3.2 Surface treatment limitations of stainless steel 321 valves:

The presence of titanium in 321 stainless steel may affect the uniformity of electroplating or passivation film.

4. Typical application scenarios of stainless steel 321 valves manufactured by Freeman valve:

4.1 Strong acid medium equipment, for example:

a. Stainless steel 321 valves manufactured by Freeman valve have been widely used in nitric acid production equipment: heaters and pipelines for concentrated nitric acid (321 is better than 304 and has stronger resistance to intergranular corrosion);

b. Stainless steel 321 valves manufactured by Freeman valve have been widely used in sulfuric acid dilution systems: temperature <60℃, concentration <10% dilute sulfuric acid environment;

c. Stainless steel 321 valves manufactured by Freeman valve have been widely used in phosphoric acid processing equipment: evaporators, heat exchangers (but fluoride ion contamination must be avoided, otherwise pitting may occur).

Key advantages: Titanium stabilization effectively prevents corrosion in the sensitized area and prolongs the life of the equipment.

4.2 High-temperature and high-pressure reaction equipment, for example:

a. Stainless steel 321 valves manufactured by Freeman valve have been widely used in urea production equipment: resistant to high-temperature and high-pressure ammonium carbamate corrosion (special welding process required);

b. Stainless steel 321 valves manufactured by Freeman valve have been widely used in synthetic ammonia equipment: heat exchangers, converter tubes (resistant to H₂S high-temperature corrosion);

c. Stainless steel 321 valves manufactured by Freeman valve have been widely used in petroleum cracking units: coking towers, catalytic cracking pipelines (resistant to sulfide stress corrosion cracking, SSCC).

4.3 Chemical process field, for example:

a. Stainless steel 321 valves manufactured by Freeman valve have been widely used in hot acid delivery pipelines: such as acetic acid, citric acid and other organic acid systems (stainless steel 321 is more resistant to welding heat affected zone corrosion than stainless steel 304);

b. Stainless steel 321 valves manufactured by Freeman valve have been widely used in high-temperature steam pipelines: boiler superheated pipelines (resistant to oxidation below 800℃).

4.4 Environmental protection and waste gas treatment equipment, for example:

a. Stainless steel 321 valves manufactured by Freeman valve have been widely used in flue gas desulfurization systems: absorption tower internal components (Cl⁻ content needs to be controlled, otherwise more advanced materials need to be selected);

b. Stainless steel 321 valves manufactured by Freeman valve have been widely used in incinerator heat exchangers: treatment of sulfur-containing waste gas (resistant to high temperature oxidation + sulfuric acid dew point corrosion);

c. Stainless steel 321 valves manufactured by Freeman valve have been widely used in chemical wastewater evaporators: concentration of high-salt wastewater (need to avoid local enrichment of Cl⁻ leading to pitting corrosion).

4.5 Special chemical scenarios, for example:

a. Freeman valve's stainless steel 321 valves have been widely used in pharmaceutical equipment: reactors, distillation towers (FDA/GMP standards must be met, surface polished to Ra≤0.4μm);

b. Freeman valve's stainless steel 321 valves have been widely used in dye intermediate production: stirring shafts and storage tanks resistant to organic solvent corrosion;

c. Freeman valve's stainless steel 321 valves have been widely used in the chemical fiber industry: heat transfer pipes in PTA (purified terephthalic acid) units.

5. Suggestions for the selection of stainless steel 321 valves:

5.1 If frequent welding is required, select stainless steel 321 valves;

5.2 If medium and high temperature use is required, select stainless steel 321 valves;

5.3 If high temperature creep is important, select stainless steel 321 valves (Note: stainless steel 347 valves are stabilized by niobium (Nb) and are more suitable for strong oxidizing acid environments, such as concentrated nitric acid).

6. Scenarios where stainless steel 321 valves are not suitable:

6.1 High concentration chloride environment, such as seawater;

6.2 Reducing acid, such as hydrochloric acid;

6.3 Strong fluoride medium, such as hydrofluoric acid.

7. Scenarios where stainless steel 321 valves are recommended:

7.1 Equipment that needs to resist intergranular corrosion after welding;

7.2 Oxidizing environment with a temperature of 500-800℃;

7.3 Sulfiding environment with a temperature of 500-800℃;

7.4 Oxidizing acid systems such as nitric acid and phosphoric acid.

8. Summary of stainless steel 321 valves:

Stainless steel 321 valves can play an irreplaceable role in high temperature and corrosion-resistant scenarios.

Main Features of 321 Valve, EN 1.4541 Valve, UNS S32100 Valve

Type of 321 Valve:

321 Ball Valve;

321 Instrument Ball Valve;

321 Sleeve Plug Valve;

321 Wedge Gate Valve;

321 Globe Valve;

321 Swing Check Valve;

321 Lift Check Valve;

321 Piston Check Valve;

321 Wafer Check Valve;

321 Triple Offset Butterfly Valve;

321 Y Type Strainer;

321 T Type Strainer;

321 Basket Type Strainer;

321 Diaphragm Valve;

321 Spring Loaded Safety Valve.

Design and Test Standard of 321 Valve:

321 High Performance Ball Valve Design Acc. to ASME B16.34, Test Acc. to API 598;

321 High Performance Ball Valve Design Acc. to EN 12516-1/2, Test Acc. to EN 12266-1/2;

321 Instrument Ball Valve Design Acc. to ASME B16.34, Test Acc. to API 598;

321 Instrument Ball Valve Design Acc. to EN 12516-1/2, Test Acc. to EN 12266-1/2;

321 Sleeve Plug Valve Design Acc. to API 599 & ASME B16.34, Test Acc. to API 598;

321 Wedge Gate Valve Design Acc. to API 603 & ASME B16.34, Test Acc. to API 598;

321 Wedge Gate Valve Design Acc. to API 602, Test Acc. to API 598;

321 Wedge Gate Valve Design Acc. to EN 1984 & EN 12516-1/2, Test Acc. to EN 12266-1/2;

321 Globe Valve Design Acc. to BS 1873 & ASME B16.34, Test Acc. to API 598;

321 Globe Valve Design Acc. to API 602, Test Acc. to API 598;

321 Globe Valve Design Acc. to EN 13709 & EN 12516-1/2, Test Acc. to EN 12266-1/2;

321 Swing Check Valve Design Acc. to API 594 & ASME B16.34, Test Acc. to API 598;

321 Swing Check Valve Design Acc. to EN 16767 & EN 12516-1/2, Test Acc. to EN 12266-1/2;

321 Lift Check Valve Design Acc. to API 594 & ASME B16.34, Test Acc. to API 598;

321 Lift Check Valve Design Acc. to EN 16767 & EN 12516-1/2, Test Acc. to EN 12266-1/2;

321 Piston Check Valve Design Acc. to API 594 & ASME B16.34, Test Acc. to API 598;

321 Piston Check Valve Design Acc. to EN 16767 & EN 12516-1/2, Test Acc. to EN 12266-1/2;

321 Wafer Check Valve Design Acc. to API 594 & ASME B16.34, Test Acc. to API 598;

321 Wafer Check Valve Design Acc. to EN 16767 & EN 12516-1/2, Test Acc. to EN 12266-1/2;

321 Check Valve Design Acc. to API 602, Test Acc. to API 598;

321 Triple Offset Butterfly Valve Design Acc. to API 609 & ASME B16.34, Test Acc. to API 598;

321 Triple Offset Butterfly Valve Design Acc. to EN 593 & EN 12516-1/2, Test Acc. to EN 12266-1/2;

321 Y Type Strainer Design Acc. to ASME B16.34, Test Acc. to API 598;

321 Y Type Strainer Design Acc. to EN 12516-1/2, Test Acc. to EN 12266-1/2;

321 T Type Strainer Design Acc. to ASME B16.34, Test Acc. to API 598;

321 T Type Strainer Design Acc. to EN 12516-1/2, Test Acc. to EN 12266-1/2;

321 Basket Type Strainer Design Acc. to ASME B16.34, Test Acc. to API 598;

321 Basket Type Strainer Design Acc. to EN 12516-1/2, Test Acc. to EN 12266-1/2;

321 Diaphragm Valve Design Acc. to ASME B16.34, Test Acc. to API 598;

321 Diaphragm Valve Design Acc. to EN 12516-1/2, Test Acc. to EN 12266-1/2;

321 Spring Loaded Safety Valve Design Acc. to API 520 & API 526, Test Acc. to API 527;

321 Spring Loaded Safety Valve Design Acc. to ISO 4126, Test Acc. to ISO 4126.

Surface Finishing of 321 Valve:

All 321 Valve surface is finely machined to achieve the required roughness and conforms to standard MSS SP-55.

Size of 321 Valve:

From 1/4’’ to 48’’ (ANSI Standard 321 Valve);

From DN8 to DN1200 (EN Standard 321 Valve, DIN Standard 321 Valve).

Face to Face of 321 Valve:

Face to Face Acc. to ASME B16.10 (ANSI Standard 321 Valve);

Face to Face Acc. to EN 558-1 (EN Standard 321 Valve, DIN Standard 321 Valve).

Pressure Rating of 321 Valve:

ANSI Class 150 321 Valve (ANSI Standard 321 Valve);

ANSI Class 300 321 Valve (ANSI Standard 321 Valve);

ANSI Class 600 321 Valve (ANSI Standard 321 Valve);

ANSI Class 800 321 Valve (ANSI Standard 321 Valve);

ANSI Class 900 321 Valve (ANSI Standard 321 Valve);

ANSI Class 1500 321 Valve (ANSI Standard 321 Valve);

ANSI Class 2500 321 Valve (ANSI Standard 321 Valve);

EN 1092 PN 16 321 Valve (EN Standard 321 Valve, DIN Standard 321 Valve);

EN 1092 PN 25 321 Valve (EN Standard 321 Valve, DIN Standard 321 Valve);

EN 1092 PN 40 321 Valve (EN Standard 321 Valve, DIN Standard 321 Valve);

EN 1092 PN 63 321 Valve (EN Standard 321 Valve, DIN Standard 321 Valve);

EN 1092 PN 100 321 Valve (EN Standard 321 Valve, DIN Standard 321 Valve);

EN 1092 PN 160 321 Valve (EN Standard 321 Valve, DIN Standard 321 Valve);

EN 1092 PN 250 321 Valve (EN Standard 321 Valve, DIN Standard 321 Valve);

EN 1092 PN 320 321 Valve (EN Standard 321 Valve, DIN Standard 321 Valve);

EN 1092 PN 400 321 Valve (EN Standard 321 Valve, DIN Standard 321 Valve).

Working Temperature of 321 Valve:

Please refer to the "Temperature and Pressure Curve of 321 Valve" for temperature and pressure changes.

Ends Connection of 321 Valve:

ANSI Flange Ends 321 Valve;

ANSI Integral Flange Ends 321 Valve;

ANSI Welded Flange Ends 321 Valve;

Butt Weld (ASME B16.25) Ends 321 Valve;

Butt Weld x ANSI Flange Ends 321 Valve;

EN 1092 Flange Ends 321 Valve;

EN 1092 Integral Flange Ends 321 Valve;

EN 1092 Welded Flange Ends 321 Valve;

Butt Weld (EN 12627) Ends 321 Valve;

Butt Weld (ISO 1127) Ends 321 Valve;

Butt Weld x EN 1092 Flange Ends 321 Valve;

Male NPT (ASME B1.20.1) Ends 321 Valve;

Male BSPP (ISO 228-1) Ends 321 Valve;

Male BSPT (ISO 7-1) Ends 321 Valve;

Male NPT x Female NPT Ends 321 Valve;

Male BSPP x Female BSPP Ends 321 Valve;

Male BSPT x Female BSPT Ends 321 Valve;

Male NPT x Long Butt Weld (+100 mm) Ends 321 Valve;

Male BSPP x Long Butt Weld (+100 mm) Ends 321 Valve;

Male BSPT x Long Butt Weld (+100 mm) Ends 321 Valve;

Female NPT (ASME B1.20.1) Ends 321 Valve;

Female BSPP (ISO 228-1) Ends 321 Valve;

Female BSPT (ISO 7-1) Ends 321 Valve;

Socket Weld (ASME B16.11) Ends 321 Valve;

Socket Weld (EN 12760) Ends 321 Valve;

Female NPT x Socket Weld Ends 321 Valve;

Female BSPP x Socket Weld Ends 321 Valve;

Female BSPT x Socket Weld Ends 321 Valve;

Butt Weld (ASME B16.25) Ends 321 Valve;

Butt Weld (EN 12627) Ends 321 Valve;

Female NPT x Butt Weld Ends 321 Valve;

Female BSPP x Butt Weld Ends 321 Valve;

Female BSPT x Butt Weld Ends 321 Valve;

Female NPT x Long Butt Weld Ends (+100 mm) Ends 321 Valve;

Female BSPP x Long Butt Weld Ends (+100 mm) Ends 321 Valve;

Female BSPT x Long Butt Weld Ends (+100 mm) Ends 321 Valve;

Long Butt Weld Ends (+100 mm Weld Stub) Ends 321 Valve.

CE Marking of 321 Valve:

CE Marking is Available to 321 Valve with a Diameter of DN32 or Larger.

Chemical Composition of 321 Valve:

For the Chemical Composition of 321 Valve, please refer to EN 10204 Type 3.1 certificate.

Mechanical Properties of 321 Valve:

For the Mechanical Properties of 321 Valve, please refer to EN 10204 Type 3.1 certificate.

Certificate of 321 Valve:

All 321 Valve will be delivered with EN 10204 Type 3.1 Certificate.

Operation of 321 Valve:

Level Operation of 321 Valve;

Handwheel Operation of 321 Valve;

Pneumatic Actuator Operation of 321 Valve;

Electric Actuator Operation of 321 Valve.

Approvals of 321 Valve:

MSS SP-55 Certified of 321 Valve;

NACE MR 0175 Certified of 321 Valve

API 607 Fire Safe Certified of 321 Valve;

ISO 9001 Certified of 321 Valve;

PED Certified of 321 Valve.

Available Upon Request of 321 Valve:

NACE MR0175 is available upon request of 321 Valve;

ATEX is available upon request of 321 Valve;

TA-LUFT is available upon request of 321 Valve;

SIL is available upon request of 321 Valve;

Degreasing is available upon request of 321 Valve;

Fire Safe is available upon request of 321 Valve;

Stem Extension is available upon request of 321 Valve;

Double Block and Bleed is available upon request of 321 Valve.

Type of EN 1.4541 Valve:

EN 1.4541 Ball Valve;

EN 1.4541 Instrument Ball Valve;

EN 1.4541 Sleeve Plug Valve;

EN 1.4541 Wedge Gate Valve;

EN 1.4541 Globe Valve;

EN 1.4541 Swing Check Valve;

EN 1.4541 Lift Check Valve;

EN 1.4541 Piston Check Valve;

EN 1.4541 Wafer Check Valve;

EN 1.4541 Triple Offset Butterfly Valve;

EN 1.4541 Y Type Strainer;

EN 1.4541 T Type Strainer;

EN 1.4541 Basket Type Strainer;

EN 1.4541 Diaphragm Valve;

EN 1.4541 Spring Loaded Safety Valve.

Design and Test Standard of EN 1.4541 Valve:

EN 1.4541 High Performance Ball Valve Design Acc. to ASME B16.34, Test Acc. to API 598;

EN 1.4541 High Performance Ball Valve Design Acc. to EN 12516-1/2, Test Acc. to EN 12266-1/2;

EN 1.4541 Instrument Ball Valve Design Acc. to ASME B16.34, Test Acc. to API 598;

EN 1.4541 Instrument Ball Valve Design Acc. to EN 12516-1/2, Test Acc. to EN 12266-1/2;

EN 1.4541 Sleeve Plug Valve Design Acc. to API 599 & ASME B16.34, Test Acc. to API 598;

EN 1.4541 Wedge Gate Valve Design Acc. to API 603 & ASME B16.34, Test Acc. to API 598;

EN 1.4541 Wedge Gate Valve Design Acc. to API 602, Test Acc. to API 598;

EN 1.4541 Wedge Gate Valve Design Acc. to EN 1984 & EN 12516-1/2, Test Acc. to EN 12266-1/2;

EN 1.4541 Globe Valve Design Acc. to BS 1873 & ASME B16.34, Test Acc. to API 598;

EN 1.4541 Globe Valve Design Acc. to API 602, Test Acc. to API 598;

EN 1.4541 Globe Valve Design Acc. to EN 13709 & EN 12516-1/2, Test Acc. to EN 12266-1/2;

EN 1.4541 Swing Check Valve Design Acc. to API 594 & ASME B16.34, Test Acc. to API 598;

EN 1.4541 Swing Check Valve Design Acc. to EN 16767 & EN 12516-1/2, Test Acc. to EN 12266-1/2;

EN 1.4541 Lift Check Valve Design Acc. to API 594 & ASME B16.34, Test Acc. to API 598;

EN 1.4541 Lift Check Valve Design Acc. to EN 16767 & EN 12516-1/2, Test Acc. to EN 12266-1/2;

EN 1.4541 Piston Check Valve Design Acc. to API 594 & ASME B16.34, Test Acc. to API 598;

EN 1.4541 Piston Check Valve Design Acc. to EN 16767 & EN 12516-1/2, Test Acc. to EN 12266-1/2;

EN 1.4541 Wafer Check Valve Design Acc. to API 594 & ASME B16.34, Test Acc. to API 598;

EN 1.4541 Wafer Check Valve Design Acc. to EN 16767 & EN 12516-1/2, Test Acc. to EN 12266-1/2;

EN 1.4541 Check Valve Design Acc. to API 602, Test Acc. to API 598;

EN 1.4541 Triple Offset Butterfly Valve Design Acc. to API 609 & ASME B16.34, Test Acc. to API 598;

EN 1.4541 Triple Offset Butterfly Valve Design Acc. to EN 593 & EN 12516-1/2, Test Acc. to EN 12266-1/2;

EN 1.4541 Y Type Strainer Design Acc. to ASME B16.34, Test Acc. to API 598;

EN 1.4541 Y Type Strainer Design Acc. to EN 12516-1/2, Test Acc. to EN 12266-1/2;

EN 1.4541 T Type Strainer Design Acc. to ASME B16.34, Test Acc. to API 598;

EN 1.4541 T Type Strainer Design Acc. to EN 12516-1/2, Test Acc. to EN 12266-1/2;

EN 1.4541 Basket Type Strainer Design Acc. to ASME B16.34, Test Acc. to API 598;

EN 1.4541 Basket Type Strainer Design Acc. to EN 12516-1/2, Test Acc. to EN 12266-1/2;

EN 1.4541 Diaphragm Valve Design Acc. to ASME B16.34, Test Acc. to API 598;

EN 1.4541 Diaphragm Valve Design Acc. to EN 12516-1/2, Test Acc. to EN 12266-1/2;

EN 1.4541 Spring Loaded Safety Valve Design Acc. to API 520 & API 526, Test Acc. to API 527;

EN 1.4541 Spring Loaded Safety Valve Design Acc. to ISO 4126, Test Acc. to ISO 4126.

Surface Finishing of EN 1.4541 Valve:

All EN 1.4541 Valve surface is finely machined to achieve the required roughness and conforms to standard MSS SP-55.

Size of EN 1.4541 Valve:

From 1/4’’ to 48’’ (ANSI Standard EN 1.4541 Valve);

From DN8 to DN1200 (EN Standard EN 1.4541 Valve, DIN Standard EN 1.4541 Valve).

Face to Face of EN 1.4541 Valve:

Face to Face Acc. to ASME B16.10 (ANSI Standard EN 1.4541 Valve);

Face to Face Acc. to EN 558-1 (EN Standard EN 1.4541 Valve, DIN Standard EN 1.4541 Valve).

Pressure Rating of EN 1.4541 Valve:

ANSI Class 150 EN 1.4541 Valve (ANSI Standard EN 1.4541 Valve);

ANSI Class 300 EN 1.4541 Valve (ANSI Standard EN 1.4541 Valve);

ANSI Class 600 EN 1.4541 Valve (ANSI Standard EN 1.4541 Valve);

ANSI Class 800 EN 1.4541 Valve (ANSI Standard EN 1.4541 Valve);

ANSI Class 900 EN 1.4541 Valve (ANSI Standard EN 1.4541 Valve);

ANSI Class 1500 EN 1.4541 Valve (ANSI Standard EN 1.4541 Valve);

ANSI Class 2500 EN 1.4541 Valve (ANSI Standard EN 1.4541 Valve);

EN 1092 PN 16 EN 1.4541 Valve (EN Standard EN 1.4541 Valve, DIN Standard EN 1.4541 Valve);

EN 1092 PN 25 EN 1.4541 Valve (EN Standard EN 1.4541 Valve, DIN Standard EN 1.4541 Valve);

EN 1092 PN 40 EN 1.4541 Valve (EN Standard EN 1.4541 Valve, DIN Standard EN 1.4541 Valve);

EN 1092 PN 63 EN 1.4541 Valve (EN Standard EN 1.4541 Valve, DIN Standard EN 1.4541 Valve);

EN 1092 PN 100 EN 1.4541 Valve (EN Standard EN 1.4541 Valve, DIN Standard EN 1.4541 Valve);

EN 1092 PN 160 EN 1.4541 Valve (EN Standard EN 1.4541 Valve, DIN Standard EN 1.4541 Valve);

EN 1092 PN 250 EN 1.4541 Valve (EN Standard EN 1.4541 Valve, DIN Standard EN 1.4541 Valve);

EN 1092 PN 320 EN 1.4541 Valve (EN Standard EN 1.4541 Valve, DIN Standard EN 1.4541 Valve);

EN 1092 PN 400 EN 1.4541 Valve (EN Standard EN 1.4541 Valve, DIN Standard EN 1.4541 Valve).

Working Temperature of EN 1.4541 Valve:

Please refer to the "Temperature and Pressure Curve of EN 1.4541 Valve" for temperature and pressure changes.

Ends Connection of EN 1.4541 Valve:

ANSI Flange Ends EN 1.4541 Valve;

ANSI Integral Flange Ends EN 1.4541 Valve;

ANSI Welded Flange Ends EN 1.4541 Valve;

Butt Weld (ASME B16.25) Ends EN 1.4541 Valve;

Butt Weld x ANSI Flange Ends EN 1.4541 Valve;

EN 1092 Flange Ends EN 1.4541 Valve;

EN 1092 Integral Flange Ends EN 1.4541 Valve;

EN 1092 Welded Flange Ends EN 1.4541 Valve;

Butt Weld (EN 12627) Ends EN 1.4541 Valve;

Butt Weld (ISO 1127) Ends EN 1.4541 Valve;

Butt Weld x EN 1092 Flange Ends EN 1.4541 Valve;

Male NPT (ASME B1.20.1) Ends EN 1.4541 Valve;

Male BSPP (ISO 228-1) Ends EN 1.4541 Valve;

Male BSPT (ISO 7-1) Ends EN 1.4541 Valve;

Male NPT x Female NPT Ends EN 1.4541 Valve;

Male BSPP x Female BSPP Ends EN 1.4541 Valve;

Male BSPT x Female BSPT Ends EN 1.4541 Valve;

Male NPT x Long Butt Weld (+100 mm) Ends EN 1.4541 Valve;

Male BSPP x Long Butt Weld (+100 mm) Ends EN 1.4541 Valve;

Male BSPT x Long Butt Weld (+100 mm) Ends EN 1.4541 Valve;

Female NPT (ASME B1.20.1) Ends EN 1.4541 Valve;

Female BSPP (ISO 228-1) Ends EN 1.4541 Valve;

Female BSPT (ISO 7-1) Ends EN 1.4541 Valve;

Socket Weld (ASME B16.11) Ends EN 1.4541 Valve;

Socket Weld (EN 12760) Ends EN 1.4541 Valve;

Female NPT x Socket Weld Ends EN 1.4541 Valve;

Female BSPP x Socket Weld Ends EN 1.4541 Valve;

Female BSPT x Socket Weld Ends EN 1.4541 Valve;

Butt Weld (ASME B16.25) Ends EN 1.4541 Valve;

Butt Weld (EN 12627) Ends EN 1.4541 Valve;

Female NPT x Butt Weld Ends EN 1.4541 Valve;

Female BSPP x Butt Weld Ends EN 1.4541 Valve;

Female BSPT x Butt Weld Ends EN 1.4541 Valve;

Female NPT x Long Butt Weld Ends (+100 mm) Ends EN 1.4541 Valve;

Female BSPP x Long Butt Weld Ends (+100 mm) Ends EN 1.4541 Valve;

Female BSPT x Long Butt Weld Ends (+100 mm) Ends EN 1.4541 Valve;

Long Butt Weld Ends (+100 mm Weld Stub) Ends EN 1.4541 Valve.

CE Marking of EN 1.4541 Valve:

CE Marking is Available to EN 1.4541 Valve with a Diameter of DN32 or Larger.

Chemical Composition of EN 1.4541 Valve:

For the Chemical Composition of EN 1.4541 Valve, please refer to EN 10204 Type 3.1 certificate.

Mechanical Properties of EN 1.4541 Valve:

For the Mechanical Properties of EN 1.4541 Valve, please refer to EN 10204 Type 3.1 certificate.

Certificate of EN 1.4541 Valve:

All EN 1.4541 Valve will be delivered with EN 10204 Type 3.1 Certificate.

Operation of EN 1.4541 Valve:

Level Operation of EN 1.4541 Valve;

Handwheel Operation of EN 1.4541 Valve;

Pneumatic Actuator Operation of EN 1.4541 Valve;

Electric Actuator Operation of EN 1.4541 Valve.

Approvals of EN 1.4541 Valve:

MSS SP-55 Certified of EN 1.4541 Valve;

NACE MR 0175 Certified of EN 1.4541 Valve

API 607 Fire Safe Certified of EN 1.4541 Valve;

ISO 9001 Certified of EN 1.4541 Valve;

PED Certified of EN 1.4541 Valve.

Available Upon Request of EN 1.4541 Valve:

NACE MR0175 is available upon request of EN 1.4541 Valve;

ATEX is available upon request of EN 1.4541 Valve;

TA-LUFT is available upon request of EN 1.4541 Valve;

SIL is available upon request of EN 1.4541 Valve;

Degreasing is available upon request of EN 1.4541 Valve;

Fire Safe is available upon request of EN 1.4541 Valve;

Stem Extension is available upon request of EN 1.4541 Valve;

Double Block and Bleed is available upon request of EN 1.4541 Valve.

Type of UNS S32100 Valve:

UNS S32100 Ball Valve;

UNS S32100 Instrument Ball Valve;

UNS S32100 Sleeve Plug Valve;

UNS S32100 Wedge Gate Valve;

UNS S32100 Globe Valve;

UNS S32100 Swing Check Valve;

UNS S32100 Lift Check Valve;

UNS S32100 Piston Check Valve;

UNS S32100 Wafer Check Valve;

UNS S32100 Triple Offset Butterfly Valve;

UNS S32100 Y Type Strainer;

UNS S32100 T Type Strainer;

UNS S32100 Basket Type Strainer;

UNS S32100 Diaphragm Valve;

UNS S32100 Spring Loaded Safety Valve.

Design and Test Standard of UNS S32100 Valve:

UNS S32100 High Performance Ball Valve Design Acc. to ASME B16.34, Test Acc. to API 598;

UNS S32100 High Performance Ball Valve Design Acc. to EN 12516-1/2, Test Acc. to EN 12266-1/2;

UNS S32100 Instrument Ball Valve Design Acc. to ASME B16.34, Test Acc. to API 598;

UNS S32100 Instrument Ball Valve Design Acc. to EN 12516-1/2, Test Acc. to EN 12266-1/2;

UNS S32100 Sleeve Plug Valve Design Acc. to API 599 & ASME B16.34, Test Acc. to API 598;

UNS S32100 Wedge Gate Valve Design Acc. to API 603 & ASME B16.34, Test Acc. to API 598;

UNS S32100 Wedge Gate Valve Design Acc. to API 602, Test Acc. to API 598;

UNS S32100 Wedge Gate Valve Design Acc. to EN 1984 & EN 12516-1/2, Test Acc. to EN 12266-1/2;

UNS S32100 Globe Valve Design Acc. to BS 1873 & ASME B16.34, Test Acc. to API 598;

UNS S32100 Globe Valve Design Acc. to API 602, Test Acc. to API 598;

UNS S32100 Globe Valve Design Acc. to EN 13709 & EN 12516-1/2, Test Acc. to EN 12266-1/2;

UNS S32100 Swing Check Valve Design Acc. to API 594 & ASME B16.34, Test Acc. to API 598;

UNS S32100 Swing Check Valve Design Acc. to EN 16767 & EN 12516-1/2, Test Acc. to EN 12266-1/2;

UNS S32100 Lift Check Valve Design Acc. to API 594 & ASME B16.34, Test Acc. to API 598;

UNS S32100 Lift Check Valve Design Acc. to EN 16767 & EN 12516-1/2, Test Acc. to EN 12266-1/2;

UNS S32100 Piston Check Valve Design Acc. to API 594 & ASME B16.34, Test Acc. to API 598;

UNS S32100 Piston Check Valve Design Acc. to EN 16767 & EN 12516-1/2, Test Acc. to EN 12266-1/2;

UNS S32100 Wafer Check Valve Design Acc. to API 594 & ASME B16.34, Test Acc. to API 598;

UNS S32100 Wafer Check Valve Design Acc. to EN 16767 & EN 12516-1/2, Test Acc. to EN 12266-1/2;

UNS S32100 Check Valve Design Acc. to API 602, Test Acc. to API 598;

UNS S32100 Triple Offset Butterfly Valve Design Acc. to API 609 & ASME B16.34, Test Acc. to API 598;

UNS S32100 Triple Offset Butterfly Valve Design Acc. to EN 593 & EN 12516-1/2, Test Acc. to EN 12266-1/2;

UNS S32100 Y Type Strainer Design Acc. to ASME B16.34, Test Acc. to API 598;

UNS S32100 Y Type Strainer Design Acc. to EN 12516-1/2, Test Acc. to EN 12266-1/2;

UNS S32100 T Type Strainer Design Acc. to ASME B16.34, Test Acc. to API 598;

UNS S32100 T Type Strainer Design Acc. to EN 12516-1/2, Test Acc. to EN 12266-1/2;

UNS S32100 Basket Type Strainer Design Acc. to ASME B16.34, Test Acc. to API 598;

UNS S32100 Basket Type Strainer Design Acc. to EN 12516-1/2, Test Acc. to EN 12266-1/2;

UNS S32100 Diaphragm Valve Design Acc. to ASME B16.34, Test Acc. to API 598;

UNS S32100 Diaphragm Valve Design Acc. to EN 12516-1/2, Test Acc. to EN 12266-1/2;

UNS S32100 Spring Loaded Safety Valve Design Acc. to API 520 & API 526, Test Acc. to API 527;

UNS S32100 Spring Loaded Safety Valve Design Acc. to ISO 4126, Test Acc. to ISO 4126.

Surface Finishing of UNS S32100 Valve:

All UNS S32100 Valve surface is finely machined to achieve the required roughness and conforms to standard MSS SP-55.

Size of UNS S32100 Valve:

From 1/4’’ to 48’’ (ANSI Standard UNS S32100 Valve);

From DN8 to DN1200 (EN Standard UNS S32100 Valve, DIN Standard UNS S32100 Valve).

Face to Face of UNS S32100 Valve:

Face to Face Acc. to ASME B16.10 (ANSI Standard UNS S32100 Valve);

Face to Face Acc. to EN 558-1 (EN Standard UNS S32100 Valve, DIN Standard UNS S32100 Valve).

Pressure Rating of UNS S32100 Valve:

ANSI Class 150 UNS S32100 Valve (ANSI Standard UNS S32100 Valve);

ANSI Class 300 UNS S32100 Valve (ANSI Standard UNS S32100 Valve);

ANSI Class 600 UNS S32100 Valve (ANSI Standard UNS S32100 Valve);

ANSI Class 800 UNS S32100 Valve (ANSI Standard UNS S32100 Valve);

ANSI Class 900 UNS S32100 Valve (ANSI Standard UNS S32100 Valve);

ANSI Class 1500 UNS S32100 Valve (ANSI Standard UNS S32100 Valve);

ANSI Class 2500 UNS S32100 Valve (ANSI Standard UNS S32100 Valve);

EN 1092 PN 16 UNS S32100 Valve (EN Standard UNS S32100 Valve, DIN Standard UNS S32100 Valve);

EN 1092 PN 25 UNS S32100 Valve (EN Standard UNS S32100 Valve, DIN Standard UNS S32100 Valve);

EN 1092 PN 40 UNS S32100 Valve (EN Standard UNS S32100 Valve, DIN Standard UNS S32100 Valve);

EN 1092 PN 63 UNS S32100 Valve (EN Standard UNS S32100 Valve, DIN Standard UNS S32100 Valve);

EN 1092 PN 100 UNS S32100 Valve (EN Standard UNS S32100 Valve, DIN Standard UNS S32100 Valve);

EN 1092 PN 160 UNS S32100 Valve (EN Standard UNS S32100 Valve, DIN Standard UNS S32100 Valve);

EN 1092 PN 250 UNS S32100 Valve (EN Standard UNS S32100 Valve, DIN Standard UNS S32100 Valve);

EN 1092 PN 320 UNS S32100 Valve (EN Standard UNS S32100 Valve, DIN Standard UNS S32100 Valve);

EN 1092 PN 400 UNS S32100 Valve (EN Standard UNS S32100 Valve, DIN Standard UNS S32100 Valve).

Working Temperature of UNS S32100 Valve:

Please refer to the "Temperature and Pressure Curve of UNS S32100 Valve" for temperature and pressure changes.

Ends Connection of UNS S32100 Valve:

ANSI Flange Ends UNS S32100 Valve;

ANSI Integral Flange Ends UNS S32100 Valve;

ANSI Welded Flange Ends UNS S32100 Valve;

Butt Weld (ASME B16.25) Ends UNS S32100 Valve;

Butt Weld x ANSI Flange Ends UNS S32100 Valve;

EN 1092 Flange Ends UNS S32100 Valve;

EN 1092 Integral Flange Ends UNS S32100 Valve;

EN 1092 Welded Flange Ends UNS S32100 Valve;

Butt Weld (EN 12627) Ends UNS S32100 Valve;

Butt Weld (ISO 1127) Ends UNS S32100 Valve;

Butt Weld x EN 1092 Flange Ends UNS S32100 Valve;

Male NPT (ASME B1.20.1) Ends UNS S32100 Valve;

Male BSPP (ISO 228-1) Ends UNS S32100 Valve;

Male BSPT (ISO 7-1) Ends UNS S32100 Valve;

Male NPT x Female NPT Ends UNS S32100 Valve;

Male BSPP x Female BSPP Ends UNS S32100 Valve;

Male BSPT x Female BSPT Ends UNS S32100 Valve;

Male NPT x Long Butt Weld (+100 mm) Ends UNS S32100 Valve;

Male BSPP x Long Butt Weld (+100 mm) Ends UNS S32100 Valve;

Male BSPT x Long Butt Weld (+100 mm) Ends UNS S32100 Valve;

Female NPT (ASME B1.20.1) Ends UNS S32100 Valve;

Female BSPP (ISO 228-1) Ends UNS S32100 Valve;

Female BSPT (ISO 7-1) Ends UNS S32100 Valve;

Socket Weld (ASME B16.11) Ends UNS S32100 Valve;

Socket Weld (EN 12760) Ends UNS S32100 Valve;

Female NPT x Socket Weld Ends UNS S32100 Valve;

Female BSPP x Socket Weld Ends UNS S32100 Valve;

Female BSPT x Socket Weld Ends UNS S32100 Valve;

Butt Weld (ASME B16.25) Ends UNS S32100 Valve;

Butt Weld (EN 12627) Ends UNS S32100 Valve;

Female NPT x Butt Weld Ends UNS S32100 Valve;

Female BSPP x Butt Weld Ends UNS S32100 Valve;

Female BSPT x Butt Weld Ends UNS S32100 Valve;

Female NPT x Long Butt Weld Ends (+100 mm) Ends UNS S32100 Valve;

Female BSPP x Long Butt Weld Ends (+100 mm) Ends UNS S32100 Valve;

Female BSPT x Long Butt Weld Ends (+100 mm) Ends UNS S32100 Valve;

Long Butt Weld Ends (+100 mm Weld Stub) Ends UNS S32100 Valve.

CE Marking of UNS S32100 Valve:

CE Marking is Available to UNS S32100 Valve with a Diameter of DN32 or Larger.

Chemical Composition of UNS S32100 Valve:

For the Chemical Composition of UNS S32100 Valve, please refer to EN 10204 Type 3.1 certificate.

Mechanical Properties of UNS S32100 Valve:

For the Mechanical Properties of UNS S32100 Valve, please refer to EN 10204 Type 3.1 certificate.

Certificate of UNS S32100 Valve:

All UNS S32100 Valve will be delivered with EN 10204 Type 3.1 Certificate.

Operation of UNS S32100 Valve:

Level Operation of UNS S32100 Valve;

Handwheel Operation of UNS S32100 Valve;

Pneumatic Actuator Operation of UNS S32100 Valve;

Electric Actuator Operation of UNS S32100 Valve.

Approvals of UNS S32100 Valve:

MSS SP-55 Certified of UNS S32100 Valve;

NACE MR 0175 Certified of UNS S32100 Valve

API 607 Fire Safe Certified of UNS S32100 Valve;

ISO 9001 Certified of UNS S32100 Valve;

PED Certified of UNS S32100 Valve.

Available Upon Request of UNS S32100 Valve:

NACE MR0175 is available upon request of UNS S32100 Valve;

ATEX is available upon request of UNS S32100 Valve;

TA-LUFT is available upon request of UNS S32100 Valve;

SIL is available upon request of UNS S32100 Valve;

Degreasing is available upon request of UNS S32100 Valve;

Fire Safe is available upon request of UNS S32100 Valve;

Stem Extension is available upon request of UNS S32100 Valve;

Double Block and Bleed is available upon request of UNS S32100 Valve.