B. Lalbhai & Co. is a leading supplier of industrial forged flanges (A-182, ANSI B16.5) and plate flanges (A-240, ANSI B16.5) in Ahmadabad, India. The flanges are supplied in a range of pressure ratings to meet customer specifications. Slip-On flange, Weld-Neck flange and Lap-Joint Flange, Threaded flange and Blind Flanges are the most popular types of flanges supplied by us.
Other special large diameter flanges can also be supplied on customer demand. We stock many standard size large diameter slip-on flanges, blind flanges and weld neck flanges in 304/304L, 316/316L and also A105 – carbon steel. Steel flanges are widely used in various industries including power generation, oil and gas transportation, petrochemical plants, refineries, waste water treatment plants, marine and pharmaceuticals plants among others.
We supply carbon steel and alloy steel flanges with electro-galvanized coating. Our flange products are supplied with Test Certification, with complete details on the chemical and physical properties of the materials. They are permanently marked with size, schedule,grade, and heat code.
- Size Range: 1/2″ (15 NB) to 48″ (1200 NB)
- Standards: ANSI B16.5, ANSI B16.47 (Series A & B), ANSI B16.36, ANSI B16.48, API 6A, ASA, API-605, AWWA
- Pressure Ratings: Class 150, Class 300, Class 400, Class 600, Class 900,Class 1500, Class 2500, PN6, PN10, PN16, PN25, PN40, PN64 etc.
- Types of Flanges: Weld neck Flanges (WNRF), Slip-on Flanges (SORF), Blind Flanges (BLRF), Lap Joint Flanges (SOLJ), Socket-weld Flanges (SWRF), Screwed (Threaded) Flanges, Long weld neck Flanges (WNRF), Spectacle Blind Flanges, Spacer & Blind Flanges, Ring Type Joint Flanges (RTJ), Reducing Flanges, Raised Face (RF) Flanges, Orifice Flanges, Large Diameter Flanges, Custom Flanges, Drawing Flanges, Forged Flanges, Plate Flanges, Flat Face Flanges, etc.
- Carbon Steel Flanges: ASTM A105/A105N, A350 LF1, LF2 CL1/CL2, LF3 CL1/CL2, A694 F42, F46, F48, F50, F52, F56, F60, F65, F70, A516.60, 65, 70 (Spectacle Blind Flange, Spacer Ring/Spade Flange), Steel RST37.2, C22.8
- Stainless Steel Flanges: ASTM A182 F202, F304/304L/304H, F316/316L, F316H, F316TI, F310, F321, F904L
- Alloy Steel Flanges: ASTM A182 F1, F5, F9, F11, F22, F91
- Special Alloy Flanges: Duplex, Super Duplex, Nickel Alloys
- Flange Face Type: Flat Face (FF), Raised Face (RF), Ring Type Joint (RTJ)
Marking & Packing
All Flanges are marked with standard details. Although on special requests we can also, make custom marking on products. Products are packaged to ensure that there is no damage during transit. In case of exports, standard export packaging is done in wooden cases.
At B. Lalbhai & Co., all flanges are subject to stringent examination at each stage. They are visually examined for conformity to ASTM, ASME, DIN, EN, and JIS codes and standards. Upon request, official certified Inspection Agencies can be called in to witness the material reports, dimensions and quality conformity of products.