1. Freeman valve is a Hastelloy C276 API 602 gate valve manufacturer. Hastelloy C276 API 602 gate valve manufactured by Freeman Valve have the following significant advantages:

1.1 Excellent corrosion resistance

① It has strong resistance to both oxidizing and reducing media (such as hydrochloric acid, sulfuric acid, phosphoric acid, chlorine, chlorides, etc.).

② Resistant to pitting, crevice corrosion and stress corrosion cracking (SCC), especially in chlorine-containing environments.

1.2 Stable high temperature performance

① It still maintains corrosion resistance and mechanical strength at high temperatures (up to about 1093°C).

1.3 Good processing and weldability

① It can be formed by conventional processes (such as welding, cold working), and no heat treatment is required after welding.

The following matters need to be noted when using Hastelloy C276 API 602 gate valve:

① Hastelloy C276 API 602 gate valve is not suitable for strong oxidizing environments: for example, they may be corroded in strong oxidizing acids such as nitric acid and concentrated sulfuric acid.

2 Hastelloy C276 API 602 gate valve manufactured by Freeman valve have been widely used in the following five major fields:

2.1 Hastelloy C276 API 602 gate valve manufactured by Freeman valve have been widely used in the chemical and petrochemical fields. For example: reactors, heat exchangers, pipeline systems (especially involving hydrochloric acid, wet chlorine, and sulfur-containing environments).

2.2 Hastelloy C276 API 602 gate valve manufactured by Freeman valve have been widely used in environmental protection and flue gas desulfurization (FGD) fields. For example: chimney linings, washing towers and other acid-resistant parts.

2.3 Hastelloy C276 API 602 gate valve manufactured by Freeman valve have been widely used in the fields of ocean and seawater treatment. For example: seawater desalination equipment, submarine pipelines (resistant to chloride ion corrosion).

2.4 Hastelloy C276 API 602 gate valve manufactured by Freeman valve have been widely used in the pharmaceutical and food fields. For example: high-purity medium containers (corrosion-resistant and pollution-free).

2.5 The Hastelloy C276 API 602 gate valve manufactured by Freeman valve has been widely used in the energy industry. For example: nuclear power fuel assemblies, gas turbine components (high temperature corrosion resistance).

Summary

Hastelloy C276 API 602 gate valve is a benchmark for high-end corrosion-resistant alloy API 602 gate valve, suitable for harsh environments (such as high temperature, high chlorine, acidic media), but the cost and processing difficulty need to be weighed. Its irreplaceability is particularly prominent in the fields of chemical industry and environmental protection.

Hastelloy C276 API 602 gate valve performance in KOH (potassium hydroxide)

1. Freeman Valve's Hastelloy C276 API 602 gate valve has excellent performance in dealing with KOH (potassium hydroxide) corrosion:

1.1 Freeman Valve's Hastelloy C276 API 602 gate valve has excellent KOH (potassium hydroxide) corrosion resistance:

a. In KOH (potassium hydroxide) solution at room temperature or medium temperature (especially concentration ≤30%), Freeman Valve's Hastelloy C276 API 602 gate valve shows excellent KOH (potassium hydroxide) corrosion resistance, and its high chromium (Cr) and high molybdenum (Mo) content can effectively resist the erosion of KOH (potassium hydroxide).

b. Freeman Valve's Hastelloy C276 API 602 gate valve is less sensitive to stress corrosion cracking (SCC) caused by KOH (potassium hydroxide), which is better than ordinary stainless steel.

1.2 Hastelloy C276 API 602 gate valve produced by Freeman Valve have stability in high temperature KOH (potassium hydroxide) solution:

In high temperature (such as below 100°C) KOH (potassium hydroxide) environment, Hastelloy C276 API 602 gate valve produced by Freeman Valve can still maintain good corrosion resistance and are suitable for high temperature KOH (potassium hydroxide) solution treatment in chemical processes.

1.3 Hastelloy C276 API 602 gate valve produced by Freeman Valve have resistance to oxidation and reduction media in KOH (potassium hydroxide) solution:

The inertness of Hastelloy C276 API 602 gate valve produced by Freeman Valve makes their performance stable in the oxidation-reduction alternating environment of KOH (potassium hydroxide) solution (such as complex process media containing KOH).

1.4 Hastelloy C276 API 602 gate valve produced by Freeman Valve is resistant to local corrosion in KOH (potassium hydroxide) solutions:

Hastelloy C276 API 602 gate valve produced by Freeman Valve contain molybdenum (Mo) and tungsten (W), which enhance the ability to resist pitting and crevice corrosion of KOH (potassium hydroxide) and are suitable for KOH solutions containing impurities or Cl⁻ contamination.

2. When using Hastelloy C276 API 602 gate valve to deal with KOH (potassium hydroxide) corrosion, the following issues should be noted:

2.1 Limitations of Hastelloy C276 API 602 gate valve at high concentrations and high temperatures. In high-temperature (>120°C) and high-concentration (such as ≥50%) KOH (potassium hydroxide) solutions, the corrosion rate of Hastelloy C276 API 602 gate valve may increase significantly, and long-term use requires careful evaluation.

2.2 For pure KOH environments, some low-cost nickel-based alloy API 602 gate valve, such as nickel 200 API 602 gate valve, may be more cost-effective. The advantages of C276 API 602 gate valve is more reflected in complex environments containing impurities or mixed media.

3. Application recommendations for Hastelloy C276 API 602 gate valve:

3.1 Recommended scenarios: medium to low temperature, medium to low concentration KOH, or highly corrosive KOH (potassium hydroxide) solutions containing impurities such as Cl⁻ and sulfides.

3.2 Alternatives: If the environment is pure and the temperature/concentration of the KOH (potassium hydroxide) solution is low, nickel 200 API 602 gate valve can be considered to reduce costs.

3.3 Verification necessary: Before actual application, corrosion tests (such as ASTM G31) must be performed to confirm the performance under specific working conditions.

The corrosion performance of Hastelloy C276 API 602 gate valve in concentrated sulfuric acid (H₂SO₄ concentration ≥70%) is relatively complex, and its advantages and disadvantages can be summarized as follows:

Advantages

1.1 Hastelloy C276 API 602 gate valve produced by Freeman Valve have good tolerance in concentrated sulfuric acid (H₂SO₄ concentration ≥70%):

In sulfuric acid of medium concentration (about 50-80%) and medium temperature (≤50°C), C276 shows good corrosion resistance, especially when the sulfuric acid is pure and does not contain oxidizing impurities. Its high molybdenum (Mo≈16%) and chromium (Cr≈15%) content can form a stable passivation film.

1.2 The Hastelloy C276 API 602 gate valve produced by Freeman Valve is resistant to reducing acid corrosion in concentrated sulfuric acid (H₂SO₄ with a concentration of ≥70%):

In a reducing environment (such as low oxygen or no oxidant), the corrosion resistance of the Hastelloy C276 API 602 gate valve produced by Freeman Valve is better than that of ordinary stainless steel, because the Hastelloy C276 API 602 gate valve produced by Freeman Valve contains molybdenum, which can enhance the resistance to reducing acid.

1.3 The Hastelloy C276 API 602 gate valve produced by Freeman Valve is resistant to local corrosion in concentrated sulfuric acid (H₂SO₄ with a concentration of ≥70%):

The Hastelloy C276 API 602 gate valve produced by Freeman Valve has strong resistance to pitting and crevice corrosion that may be caused by concentrated sulfuric acid, thanks to the synergistic effect of the nickel matrix, molybdenum and chromium in the Hastelloy C276 API 602 gate valve produced by Freeman Valve.

Disadvantages

2.1 Limitations of Hastelloy C276 API 602 gate valve at high concentrations and high temperatures

In concentrated sulfuric acid with a concentration of ≥90% (especially at a high temperature of ≥100°C), the corrosion rate of Hastelloy C276 API 602 gate valve increases significantly and may exceed 0.5 mm/year (the upper limit acceptable to the industry). At this time, more corrosion-resistant materials such as high-silicon stainless steel (such as Alloy 20) or zirconium alloys need to be selected.

2.2 Sensitivity of Hastelloy C276 API 602 gate valve to oxidizing conditions

If concentrated sulfuric acid contains oxidizing impurities (such as Fe³⁺, Cu²⁺ or dissolved oxygen), the passivation film of Hastelloy C276 API 602 gate valve may be destroyed, resulting in accelerated corrosion. At this time, alloys containing tantalum (Ta) (such as C22) or tantalum materials are better.

3 Applicable recommendations

3.1 Recommended working conditions: sulfuric acid with medium and low concentrations (≤80%), low temperatures (≤50°C) and no oxidizing impurities.

3.2 Avoid working conditions: fuming sulfuric acid (containing free SO₃), high temperature (≥100°C) or highly oxidizing environment.

3.3 Alternative materials for Hastelloy C276 API 602 gate valve: Hastelloy B3 API 602 gate valve (pure reducing acid), zirconium alloy API 602 gate valve or high silicon material API 602 gate valve can be selected under extreme conditions.

4 Corrosion rate examples (data reference):

80% H₂SO₄, 30°C: <0.1 mm/year (C276 performs well)

98% H₂SO₄, 80°C: >1 mm/year (C276 is not recommended)

Therefore, the selection of Hastelloy C276 API 602 gate valve needs to be verified by experiments or corrosion databases (such as NACE or manufacturer manuals) based on specific working conditions (temperature, impurities, flow rate, etc.).

Hastelloy Gate Valve's Alias, Similar Name, Another Name:

Hastelloy C276 Gate Valve API 603, ASME B16.34;

Hastelloy B3 Gate Valve API 603, ASME B16.34;

Hastelloy C22 Gate Valve API 603, ASME B16.34;

Hastelloy C4 Gate Valve API 603, ASME B16.34;

EN 2.4819 Gate Valve API 603, ASME B16.34;

EN 2.4600 Gate Valve API 603, ASME B16.34;

EN 2.4602 Gate Valve API 603, ASME B16.34;

EN 2.4610 Gate Valve API 603, ASME B16.34;

UNS N10276 Gate Valve API 603, ASME B16.34;

UNS N10675 Gate Valve API 603, ASME B16.34;

UNS N06022 Gate Valve API 603, ASME B16.34;

UNS N06455 Gate Valve API 603, ASME B16.34.

Main Features and Structure of Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve:

Reliable Sealing of Valve Stem;

Anti-static Structure;

Lock and Mis Operation Prevention;

Low Operating Torque;

Emergency Sealing Device;

Sealant Injection Device;

Reliable Seat Sealing Structure;

Single Sealing (Automatic Pressure Relief in Middle Cavity of Valve);

Double Sealing (Double Piston);

Safety Relief Device;

Social Structure of Automatic Pressure Relief Towards Upper Stream;

Blow out Proof Stem;

Corrosion Resistance and Sulfide Stress Resistance.

Design Standard of Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve:

Design Acc. to ASME B16.34 (ANSI Standard Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve);

Design Acc. to EN-12516-1/2 (EN Standard Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve, DIN Standard Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve).

Test Standard of Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve:

Test Acc. to API 598 (ANSI Standard Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve);

Test Acc. to EN 12266-1/2 (EN Standard Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve, DIN Standard Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve).

Surface Finishing of Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve:

All Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve surface is finely machined to achieve the required roughness and conforms to standard MSS SP-110.

Size of Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve:

From DN1/4’’ to 48’’ (ANSI Standard Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve);

From DN8 to DN1200 (EN Standard Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve, DIN Standard Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve).

Face to Face of Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve:

Face to Face Acc. to ASME B16.10 (ANSI Standard Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve);

Face to Face Acc. to EN 558-1 (EN Standard Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve, DIN Standard Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve).

Pressure Rating of Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve:

ANSI Class 150 Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve (ANSI Standard Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve);

ANSI Class 300 Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve (ANSI Standard Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve);

ANSI Class 600 Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve (ANSI Standard Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve);

ANSI Class 800 Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve (ANSI Standard Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve);

ANSI Class 900 Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve (ANSI Standard Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve);

ANSI Class 1500 Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve (ANSI Standard Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve);

ANSI Class 2500 Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve (ANSI Standard Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve);

EN 1092 PN 16 Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve (EN Standard Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve, DIN Standard Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve);

EN 1092 PN 25 Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve (EN Standard Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve, DIN Standard Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve);

EN 1092 PN 40 Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve (EN Standard Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve, DIN Standard Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve);

EN 1092 PN 63 Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve (EN Standard Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve, DIN Standard Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve);

EN 1092 PN 100 Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve (EN Standard Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve, DIN Standard Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve);

EN 1092 PN 160 Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve (EN Standard Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve, DIN Standard Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve);

EN 1092 PN 250 Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve (EN Standard Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve, DIN Standard Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve);

EN 1092 PN 320 Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve (EN Standard Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve, DIN Standard Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve);

EN 1092 PN 400 Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve (EN Standard Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve, DIN Standard Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve).

Working Temperature of Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve:

Please refer to the "Temperature and Pressure Curve of Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve" for temperature and pressure changes.

Ends Connection of Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve:

ANSI Flange Ends Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve;

ANSI Integral Flange Ends Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve;

ANSI Welded Flange Ends Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve;

Butt Weld (ASME B16.25) Ends Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve;

Butt Weld x ANSI Flange Ends Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve;

EN 1092 Flange Ends Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve;

EN 1092 Integral Flange Ends Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve;

EN 1092 Welded Flange Ends Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve;

Butt Weld (EN 12627) Ends Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve;

Butt Weld (ISO 1127) Ends Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve;

Butt Weld x EN 1092 Flange Ends Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve;

Male NPT (ASME B1.20.1) Ends Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve;

Male BSPP (ISO 228-1) Ends Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve;

Male BSPT (ISO 7-1) Ends Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve;

Male NPT x Female NPT Ends Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve;

Male BSPP x Female BSPP Ends Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve;

Male BSPT x Female BSPT Ends Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve;

Male NPT x Long Butt Weld (+100 mm) Ends Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve;

Male BSPP x Long Butt Weld (+100 mm) Ends Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve;

Male BSPT x Long Butt Weld (+100 mm) Ends Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve;

Female NPT (ASME B1.20.1) Ends Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve;

Female BSPP (ISO 228-1) Ends Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve;

Female BSPT (ISO 7-1) Ends Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve;

Socket Weld (ASME B16.11) Ends Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve;

Socket Weld (EN 12760) Ends Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve;

Female NPT x Socket Weld Ends Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve;

Female BSPP x Socket Weld Ends Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve;

Female BSPT x Socket Weld Ends Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve;

Butt Weld (ASME B16.25) Ends Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve;

Butt Weld (EN 12627) Ends Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve;

Female NPT x Butt Weld Ends Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve;

Female BSPP x Butt Weld Ends Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve;

Female BSPT x Butt Weld Ends Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve;

Female NPT x Long Butt Weld (+100 mm) Ends Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve;

Female BSPP x Long Butt Weld (+100 mm) Ends Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve;

Female BSPT x Long Butt Weld (+100 mm) Ends Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve;

Long Butt Weld (+100 mm Weld Stub) Ends Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve.

Operation of Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve:

Level Operation of Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve;

Handwheel Operation of Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve;

Gear Operation of Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve;

Series QF Electric Actuator Operation of Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve;

Series QU Electric Actuator Operation of Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve (ATEX);

Series RT Pneumatic Actuator Operation of Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve (Aluminum Body);

Series RT Pneumatic Actuator Operation of Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve (Marine Coating);

Series RT Pneumatic Actuator Operation of Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve (Stainless Steel Body).

CE Marking of Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve:

CE Marking is Available to Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve with a Diameter of DN32 or Larger.

Chemical Composition of Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve:

For the Chemical Composition of Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve, please refer to EN 10204 Type 3.1 certificate.

Mechanical Properties of Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve:

For the Mechanical Properties of Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve, please refer to EN 10204 Type 3.1 certificate.

Functions of Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve:

Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve can be used for flow isolation – completely cutting off flow for maintenance or safety;

Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve can be used for flow regulation – controlling flow and pressure in process lines;

Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve can be used for backflow prevention – preventing reverse flow and protecting upstream equipment;

Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve can be used for pressure control – regulating and releasing system pressure;

Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve can be used for corrosion protection – resisting chemical attack from acids and chlorides;

Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve can be used for metering and sampling – enabling precise low-flow dosing and sampling.

Certificate of Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve:

All Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve will be delivered with EN 10204 Type 3.1 Certificate.

Brands of Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve:

Swagelok Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve;

Parker Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve;

DK-LOK Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve;

Hamlet Let-Lok Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve;

DUOLOK Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve;

GYROLOK Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve;

TYLOK Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve;

BILOK Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve.

Approvals of Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve:

MSS SP-110 Certified of Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve;

NACE MR 0175 Certified of Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve;

API 607 Fire Safe Certified of Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve;

ISO 9001 Certified of Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve;

PED Certified of Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve.

Available Upon Request of Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve:

NACE MR0175 is available upon request of Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve;

ATEX is available upon request of Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve;

TA-LUFT is available upon request of Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve;

SIL is available upon request of Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve;

Degreasing is available upon request of Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve;

Fire Safe is available upon request of Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve;

Stem Extension is available upon request of Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve;

Double Block and Bleed is available upon request of Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve.

Key Applications of Hastelloy C276 Gate Valve, Hastelloy B3 Gate Valve, Hastelloy C22 Gate Valve, Hastelloy C4 Gate Valve:

Acidic Oil and Gas Conditions: Wellhead instruments, pressure taps, chemical injection pipelines, handling media containing hydrogen sulfide;

Flue Gas Desulfurization (FGD): Absorber towers, gypsum slurry circuits, sampling points, drain valves, manifold components, replacing easily pitted 316 stainless steel;

Chemical Metering Skids: Handling hydrochloric acid, sulfuric acid, chlorine, and mixed acids, achieving instrument isolation and calibration;

Hypochlorite/Bleaching Systems: Water treatment, papermaking, textiles, for instrument connections involving chlorine, chlorine dioxide, and hypochlorite media;

Offshore Oil and Gas and Subsea Engineering: Offshore platforms, submarine umbilical cables, hydraulic control systems, simultaneously in contact with seawater, methanol, and acidic hydrocarbons;

Pharmaceuticals and Food Processing: Withstands CIP in-situ cleaning acid-base cycles, ensuring material purity.