Industrial Flanges Manufacturer & Exporter
Unique Engineering offers a comprehensive range of high-performance flanges, precisely engineered to meet international standards. Our inventory includes various types, face types, pressure classes, and materials to suit diverse industrial applications.
Types of Flanges
Slip On Flanges
Weld Neck Flanges
Socket Weld Flanges
Blind Flanges
Spectacle Blind Flanges
Lap Joint Flanges
Reducing Flanges
Threaded Flanges
Square Flanges
Long Neck Weld Flanges
Expander Flanges
Spade and Ring Spacer Flanges
Weldo Flange / Nipo Flange
Orifice Flanges
Loose Flanges
High Hub Blind Flanges
Screwed Flanges
Plate Flanges
Flange Face Types
- Raised Face (RF)
- Flat Face (FF)
- Ring Joint Face (RTJ)
- Male and Female
- Tongue and Groove
- Lap Joint
Finish Options: Smooth, Serrated, Stock
Pressure Classes
- ANSI/ASME: 150#, 300#, 400#, 600#, 900#, 1500#, 2500#
- DIN/EN: PN6, PN10, PN16, PN25, PN40, PN64
Size Range
From 1/2" (15 NB) to 48" (1200 NB)
Materials Offered
Group the materials with headings for better clarity:
Carbon Steel
- ASTM A105
- ASTM A350 LF1 / LF2
- ASTM A181
Alloy Steel
- ASTM A182 F1, F2, F5, F7, F9, F11, F12, F22
Stainless Steel
- ASTM A182 F304, F304L, F304H, F316, F316L, F317, F317L, F321, F310, F347, F904L
Duplex & Super Duplex Steel
- Duplex: S31803, S32205
- Super Duplex: S32750, S32760
Titanium Grades
- Grade 1, 2, 3, 4, 5, 7
High Nickel Alloys
- Monel: 400, K500 (ASTM/ASME SB 564)
- Inconel: 600, 601, 625, 800, 825, 718
- Hastelloy: C4, C22, C276, B2, B3
- Nickel: 200, 201
- Cupro-Nickel: 70/30, 90/10, 95/5