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ASME 16.5 Long-Weld-Neck Flanges

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MOQ : 100 Units

ASME 16.5 Long-Weld-Neck Flanges Specification

Feature
High Strength, Leak-Proof Joint, Corrosion Resistant

Dimension (L*W*H)
As per ASME B16.5 Standard

Grade
A105, F304, F316, F304L, F316L, F11, F22, etc.

Application
Oil & Gas, Petrochemical, Power Plants, Pipeline, Heavy Engineering

Purity
High Quality, Industry Standard

Product Type
Long Weld Neck Flange

Material
Carbon Steel, Stainless Steel, Alloy Steel

Standard
ASME B16.5

Shape
Round / Circular

Surface
Shot Blasted / Anti-Rust Coating / Black Painted

Connection
Butt Weld

Technics
Forged

Pressure
Class 150, 300, 600, 900, 1500, 2500

Size
1/2 inch to 48 inch (DN15-DN1200)

Color
Metallic Silver / Black

Tolerance
As per ASME B16.5 Standards

Hardness
According to ASTM/ASME Specification

Marking
Standard Marking as per ASME B16.5

Facing Type
RF (Raised Face), FF (Flat Face), RTJ (Ring Joint Face)

End Type
Beveled End for Welding

Temperature Range
Suitable for -20°C to 600°C, depending on material

Packaging
Wooden Cases / Pallets / Customized

Corrosion Resistance
Excellent with Stainless Steel Grades

ASME 16.5 Long-Weld-Neck Flanges Trade Information

Minimum Order Quantity
100 Units

FOB Port
Vadodara , Gujarat

Payment Terms
Letter of Credit at Sight (Sight L/C), Cash in Advance (CID), Letter of Credit (L/C), Cash Against Delivery (CAD)

Supply Ability
1000 Units Per Month

Delivery Time
15 Days

Sample Available
Yes

Sample Policy
Contact us for information regarding our sample policy

Main Export Market(s)
Middle East, Africa, Asia, Western Europe, South America, Eastern Europe, North America, Australia, Central America

Main Domestic Market
All India

Certifications
Yes

About ASME 16.5 Long-Weld-Neck Flanges

ASME 16.5 Long-Weld-Neck Flanges

We are popular for offering ASME 16.5 Long-Weld-Neck Flanges at market-leading rates. These flanges are popular among clients because of their excellent design and development. Our company adheres to the norms of the respective domain and special instructions given by them. We are happy to see that all the customers to whom we have served till now are completely satisfied and have rated us high. If you have any query associated with ASME 16.5 Long-Weld-Neck Flanges feel free to ask.

Specification

Flange Face Type	Weld Neck
Usage/Application	Industrial
Material Standard	ASTM A105,ANSI B16.5,ASTM A182
Finishing	Bright
Material	Stainless Steel

Range : 1/2" (15 nb) to 60" (1500nb) in 150 lbs, 300 lbs, 600 lbs, 900 lbs, 1500 lbs, 2500 lbs asa 150, asa 300, pn 6,10,16,25, 40,64,100,160 etc. Available with nace mr 01-75
Size : 1/2" (15nb) to 60" (1500nb)
Class / pressure :150, 300, 600, 900, 1500, 2500 pn6, pn10, pn16, pn25, pn40, pn64
Dimension : B16.5, bs4504, en-1092, b16.36, b16.47, b16.48, mss sp44
Std : ansi flanges, asme flanges, din flanges, en flanges, bs flanges, api, jis, nace etc.
Features :Dimensional accuracy, corrosion resistance, high efficiency, excellent finish, durable
Stainless steel plate flanges :Standard :astm / asme a/sa 182Grade : f 304, 304l, 304h, 309s, 309h, 310s, 310h, 316, 316ti, 316h, 316l, 316ln, 317, 317l, 321, 321h, 347,347h, 904l
Duplex steel plate flanges :Standard :astm / asme a/sa 182Grade : f 44, f 45, f51, f 53, f 55, f 60, f 61
Aluminium plate flanges :Standard : astm b247, b361.
Grade :2024, 6061, 6063, 6101, 7075.
Titanium plate flanges :Standard : astm b381.
Grade : grade 1, grade 2, grade 4, grade 5, grade 6, grade 7, grade 9, grade 19, grade 23
Carbon steel plate flanges :Standard :astm a 105/a694/ a350 lf3/a350 lf2.
Grade : f42/46/52/56/60/65/70
Low temperature carbon steel plate flanges :Standard :
astm a 350 lf2 / a350 lf3
Alloy steel plate flanges :Standard : astm a182
Grade : f1/f5/f9/f11/f22/f91
Copper alloy plate flanges :Standard :astm / asme sb 61 / 62 / 151 / 152.
Grade : uns no. C 70600 (cu -ni- 90/10), c 71500 (cu -ni- 70/30) c 71640

Versatile End Connections with Advanced Corrosion Protection

ASME B16.5 Long-Weld-Neck Flanges provide a secure butt-weld connection, minimizing the risk of leaks and ensuring structural integrity even in challenging industrial settings. The superior anti-corrosion features-stemming from both material selection (notably stainless steel) and surface treatments-enable operation in harsh chemical and environmental conditions, promoting longevity and reliability for extensive project lifecycles.

Precision Engineering to Meet Industrial Standards

Manufactured to exact ASME B16.5 tolerances and hardness requirements, these flanges adhere to strict industry norms. Each flange undergoes rigorous quality control, marked and dimensioned in line with international guidelines. This meticulous approach guarantees product interchangeability, easy installation, and consistent performance in systems subject to high pressures and temperatures.

FAQ's of ASME 16.5 Long-Weld-Neck Flanges:

Q: How are ASME B16.5 Long-Weld-Neck Flanges typically installed?

A: These flanges are installed using a butt-weld process, where the beveled end of the neck is welded directly to the pipeline. This method creates a strong, leak-proof joint capable of withstanding high pressure and temperature, making them ideal for demanding applications.

Q: What are the main benefits of using Long-Weld-Neck Flanges with RF, FF, or RTJ facing types?

A: The variety of facing types-RF, FF, and RTJ-provides flexibility to suit different sealing and pressure requirements. Raised Face offers general leak resistance, Flat Face is suitable for low-pressure settings, and Ring Joint Face is optimal for high-pressure, high-temperature environments.

Q: When should I choose a stainless steel grade for these flanges?

A: Stainless steel grades, such as F304 or F316, are recommended when superior corrosion resistance is needed, especially in aggressive chemical, saltwater, or outdoor environments. These grades ensure longevity and reduce maintenance needs in harsh service conditions.

Q: What pressure ratings and sizes are available for these flanges?

A: ASME B16.5 Long-Weld-Neck Flanges are offered in pressure classes from Class 150 up to Class 2500, catering to a wide spectrum of application needs. Standard sizes range from 1/2 inch to 48 inches (DN15-DN1200), supporting various pipeline diameters.

Q: Where are these flanges commonly used?

A: They are widely utilized in industries such as oil and gas, petrochemical plants, power generation facilities, heavy engineering, and major pipeline projects, thanks to their mechanical strength, leak-proof nature, and compatibility with rigorous industry standards.

Q: What processes ensure the durability and quality of these flanges?

A: Each flange undergoes precision forging, followed by surface treatments like shot blasting and anti-rust coating. Adherence to ASME B16.5 tolerances and stringent ASTM/ASME specifications guarantees consistent hardness, dimensional accuracy, and reliable performance.

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