Long Weld Neck Flanges

Long Weld Neck Flanges Specification

Feature
High Strength, Leak Proof, Corrosion Resistant

Dimension (L*W*H)
Customizable as per specification

Application
Petrochemical, Oil & Gas, Power Plant, Shipbuilding, Water Treatment

Grade
ASTM A105, A350 LF2, A182 F304/F316, etc.

Purity
Commercial Grade

Product Type
Long Weld Neck Flange

Material
Carbon Steel, Stainless Steel, Alloy Steel

Standard
ANSI B16.5, ASME, DIN, BS, EN, GOST, JIS

Shape
Round

Surface
Black Painted, Rust-Proof Oil, Galvanized

Connection
Welded (Butt Weld)

Technics
Forged

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

Size
1/2 Inch to 60 Inch (DN15-DN1500)

Color
Black / Silver

Packaging
Wooden Cases or Pallets

Standards Compliance
ISO 9001 Certified

Delivery Condition
Annealed & Pickled (For Stainless)

Manufacturing Process
Machined with precision cutting

Testing
Ultrasonic-Tested, Pressure-Tested

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

End Connection
Long Neck-Extra Length for Supports

Temperature Range
-40C to +600C

Wall Thickness
Sch 10/20/40/80/160/XXS

Corrosion Resistance
Excellent for aggressive environments

Hardness
170~220 HB

Long Weld Neck Flanges Trade Information

Minimum Order Quantity
100 Pieces

Delivery Time
10-15 Days

About Long Weld Neck Flanges

Access unparalleled engineering excellence with our Long Weld Neck Flanges featuring extra-long necks for grandiose support and versatility. Unlock superior leak-proof, corrosion-resistant connections suitable for rigorous environments such as petrochemical, oil & gas, and power generation. Crafted through precision machining and forged for illustrious durability, these flanges are available in a splendid variety of grades and coatings, tailored to your specifications. With affordable rates, ISO 9001 certification, and comprehensive testing, our flanges guarantee unmatched reliability from -40C to +600C. Delivered globally from India in robust, secure packaging.

Extensive Applications & Outstanding Features

Long Weld Neck Flanges are engineered for demanding sectors like petrochemical, shipbuilding, and water treatment. Their extended necks provide added strength for high-stress pipelines, while precision cutting ensures optimal fit and easy installation. These round forged flanges offer leak proof and corrosion-resistant benefits, suitable for aggressive or hazardous environments. Boasting commercial-grade purity and compatibility with global standards, they deliver unmatched flexibility and longevity in high-temperature, high-pressure applications.

Efficient Shipping, Stock Availability & Domestic Market Reach

Stock ready for immediate dispatch, our Long Weld Neck Flanges are securely packaged in wooden cases or pallets for safe transit to FOB ports including Mumbai, Chennai, and more. Competitive rates are offered for both bulk exports and domestic purchases, ensuring timely delivery across India's primary markets. With an extensive inventory and quick production capabilities, we support urgent requirements, guaranteeing seamless supply to manufacturers, wholesalers, and suppliers nationwide.

FAQ's of Long Weld Neck Flanges:

Q: How are Long Weld Neck Flanges manufactured for optimal performance?

A: Long Weld Neck Flanges are meticulously machined from forged carbon, stainless, or alloy steel using precision cutting techniques. Each flange undergoes ultrasonic and pressure testing, and stainless items are delivered annealed and pickled, ensuring superior strength and performance.

Q: What standards and certifications do these flanges comply with?

A: These flanges are ISO 9001 certified and manufactured in accordance with ANSI B16.5, ASME, DIN, BS, EN, GOST, and JIS standards, ensuring global compatibility and quality assurance.

Q: Where are Long Weld Neck Flanges commonly applied?

A: They are widely used in petrochemical plants, oil & gas refineries, power stations, shipbuilding, and water treatment plants, offering high-strength support and reliable connections under extreme conditions.

Q: What is the temperature and pressure range for operational safety?

A: Our Long Weld Neck Flanges are suitable for temperatures ranging from -40C to +600C, with pressure ratings spanning Class 150 up to Class 2500 LBS, fitting various industrial requirements.

Q: How does the packaging ensure safe delivery?

A: Flanges are dispatched in protective wooden cases or pallets, each treated to prevent rust and physical damage, guaranteeing arrival in pristine condition at the customer's destination.

Q: What benefits do customers gain from using these flanges?

A: Customers unlock robust, leak-proof connections with excellent corrosion resistance, backed by affordable pricing and worldwide supply capabilities, ensuring operational continuity and equipment longevity.