Uni Steel & Engineering Co. Pvt Ltd.Uni Steel & Engineering Co. Pvt Ltd.
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Blind Flanges

Lap Joint Flanges

Threaded Flanges

Socket Weld Flanges

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Forged Pipe Fittings

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Stainless Steel Flanges

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We are the largest supplier and exporter of various types of flanges whose application in various industries and is known for their durability and strength. The flanges that we offer to our clients are available in different grades and qualities. They work efficiently in various applications and last longer than the ordinary flanges. The high performance oriented flanges we trade in are used on equipments utilized for nozzles and in piping systems and others.

Carbon Steel & Alloy Steel Flanges

We procure wide range of qualitative carbon steel and alloy steel flanges from verified vendors spread all over the globe. For carbon steel flanges we conform to standards and for alloy steel flanges we adapt.Various grades of carbon steel & alloy steel flanges that we offer our clients’ are.

Standard: ASTM / ASME A/SA 105 / 350 LF 2

Standard:
ASTM / ASME A/SA 182

Grade: F5, F9, F11, F12, F22, F91.
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Carbon Steel & Alloy Steel Flanges
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Forged Steel Flanges

We trade forged steel flanges and forged flanges of different grades and standard ranges that comply with national & international standards. We can also offer forged steel flanges as per the customer's requirement.

The Grades are as follows

F 304, 304L, 304H, 309S, 309H, 310S, 310H, 316, 316TI, 316H, 316L, 316LN, 317, 317L, 321, 321H, 347, 347H, 904L.
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Forged Steel Flanges
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Weld Neck Flanges

This welding neck flanges is circumferential welded into the system at its neck which means that the integrity of the butt welded area can be easily examined by radiography. The bores of both pipe and flange match, which reduces turbulence and erosion inside the pipeline. The weld neck is therefore favored in critical applications.

Stainless Steel : ASTM A 182, A 240

Grade : F 304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H,904L, Duplex stainless steel UNS S31803, 2205, Super Duplex stainless steel UNS S32750

Carbon Steel : ASTM A 105, ASTM A 181

Alloy Steel : ASTM A 182, GR F1, F11, F22, F5, F9, F91

Nickel Alloys : Monel 400 & 500, Inconel 600 & 625, Incolloy 800, 825, Hastelloy C22,C276

Copper Alloys : Copper, Brass & Gunmetal

Size : 1/8" NB TO 48"NB.

Class : 150#, 300#,400 #,600#,900#, 1500# & 2500 #.
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Weld Neck Flanges
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Slip On Flanges

Slip on flanges is slipped over the pipe and then fillet welded. Slip-on flanges are easy to use in fabricated applications.

Stainless Steel : ASTM A 182, A 240

Grade : F 304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H,904L, Duplex stainless steel UNS S31803, 2205, Super Duplex stainless steel UNS S32750

Carbon Steel : ASTM A 105, ASTM A 181

Alloy Steel : ASTM A 182, GR F1, F11, F22, F5, F9, F91

Nickel Alloys : Monel 400 & 500, Inconel 600 & 625, Incolloy 800, 825, Hastelloy C22,C276

Copper Alloys : Copper, Brass & Gunmetal

Size : 1/8" NB TO 48"NB.

Class : 150#, 300#,400 #,600#,900#, 1500# & 2500 #.
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Slip On Flanges
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Blind Flanges

This blind flanges is used to blank off pipelines, valves and pumps, it can also be used as an inspection cover. It is sometimes referred to as a blanking flange.

Stainless Steel : ASTM A 182, A 240

Grade : F304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H,904L, Duplex stainless steel UNS S31803, 2205, Super Duplex stainless steel UNS S32750

Carbon Steel : ASTM A 105, ASTM A 181

Alloy Steel : ASTM A 182, GR F1, F11, F22, F5, F9, F91

Nickel Alloys : Monel 400 & 500, Inconel 600 & 625, Incolloy 800, 825, Hastelloy C22,C276

Copper Alloys : Copper, Brass & Gunmetal

Size : 1/8" NB TO 48"NB.

Class : 150#, 300#,400 #,600#,900#, 1500# & 2500 #.
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Blind Flanges
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Lap Joint Flanges

These Lap Joint Flanges are always used with either a stub end or taft which is butt welded to the pipe with the flange loose behind it. This means the stub end or taft always makes the face. The lap joint is favored in low pressure applications because it is easily assembled and aligned. To reduce cost these lap joint flanges can be supplied without a hub and/or in treated, coated carbon steel.

Carbon Steel : ASTM A 105, ASTM A 181

Alloy Steel : ASTM A 182, GR F1, F11, F22, F5, F9, F91

Nickel Alloys : Monel 400 & 500, Inconel 600 & 625, Incolloy 800, 825, Hastelloy C22,C276

Copper Alloys : Copper, Brass & Gunmetal

Size : 1/8" NB TO 48"NB.

Class : 150#, 300#,400 #,600#,900#, 1500# & 2500 #.
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Lap Joint Flanges
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Threaded Flanges

This threaded flanges is referred to as either threaded or screwed. It is used to connect other threaded components in low pressure, non-critical applications. No welding is required.

Stainless Steel : ASTM A 182, A 240

Grade : F 304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H,904L, Duplex stainless steel UNS S31803, 2205, Super Duplex stainless steel UNS S32750

Carbon Steel : ASTM A 105, ASTM A 181

Alloy Steel : ASTM A 182, GR F1, F11, F22, F5, F9, F91

Nickel Alloys : Monel 400 & 500, Inconel 600 & 625, Incolloy 800, 825, Hastelloy C22,C276

Copper Alloys : Copper, Brass & Gunmetal

Size : 1/8" NB TO 48"NB.

Class : 150#, 300#,400 #,600#,900#, 1500# & 2500 #.
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Threaded Flanges
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Socket Weld Flanges

This Socket Weld Flanges is counter bored to accept the pipe before being fillet welded. The bore of the pipe and flange are both the same therefore giving good flow characteristics.

Stainless Steel : ASTM A 182, A 240

Grade : F 304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H,904L, Duplex stainless steel UNS S31803, 2205, Super Duplex stainless steel UNS S32750

Carbon Steel : ASTM A 105, ASTM A 181

Alloy Steel : ASTM A 182, GR F1, F11, F22, F5, F9, F91

Nickel Alloys : Monel 400 & 500, Inconel 600 & 625, Incolloy 800, 825, Hastelloy C22,C276

Copper Alloys : Copper, Brass & Gunmetal

Size : 1/8" NB TO 48"NB.

Class : 150#, 300#,400 #,600#,900#, 1500# & 2500 #.
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Socket Weld Flanges
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Mr. Sachin Shah (CEO)
Office No. 17 & 18, 3rd Floor, Alankar Theatre Building, 245/247, S. V. P. Road
Mumbai, Maharashtra - 400004, India
Telephone:  +(91)-(22)-66595316

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