| Flanges Types | Slip On, Weld Neck, Long Weld Neck, Threaded, Blind, Companion, Lap Joint |
|---|---|
| Class | 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 |
| Size | 1/2″ (15 Nb), 48″ (1200nb) Dn10~dn5000 |
| Type | Raised Face (rf), Flat Face (ff), Ring Type Joint (rtj), Lap Joint Face (ljf), Large Male Female (lmf), Small Male Female (smf), Large Tongue & Groove, Small Tongue, Groove |
Flanges Manufacturer in India
Neptune Alloys is a best Flanges Manufacturer producing high-quality flanges from stainless steel, alloy steel, carbon steel, and duplex steel to meet diverse industrial standards. Our flanges are designed for secure pipe connections, ensuring leak-proof sealing in systems handling high pressure, temperature, and corrosive fluids. Manufactured as per ASTM A182, ASME B16.5, DIN 2633, and EN 1092-1 standards, these flanges are widely used in petrochemical plants, power stations, offshore platforms, and water treatment systems.
In the B2B segment, our Flanges offer exceptional durability, easy installation, and compatibility with a wide range of piping systems. Available in slip-on, weld neck, blind, threaded, and socket weld types, they are fully customizable in size, face finish, and pressure class. Ideal for bulk supply and project-based logistics, our flanges support fast-track fabrication schedules, helping EPC firms, OEMs, and fabricators meet critical infrastructure timelines.
Type of Sub-products
Slip On Flange Slip On Flange
These flanges slide over the pipe and are then welded, offering easy alignment and cost effectiveness. Commonly used in low pressure, non critical piping across water treatment and HVAC systems.
Weld Neck Flange Weld Neck Flange
Designed for high stress applications, this flange features a tapered hub for reinforcement. Ideal for oil & gas, chemical processing, and high pressure steam systems.