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  Blind Flanges
 
 

Kalikund Steel & Engg Co manufacture Blind Raised Face (BLRF) Flanges. Blind flange without bore i.e. no centre hole but with all the proper bolt holes. Blind Flanges are used to close the piping system or valves or vessel opening. Its also permits easy access to vessels or pipping systems for inspection purposes. It can be supplied with or without hub as per the manufacture options. From the standpoint of internal pressure and bolt loading, blind flanges, particularly in the larger sizes, are the most highly stressed of all flange types; however, since the maximum stresses in a blind flange are bending stresses at the centre, they can safely be permitted to be higher than in other types of flanges.

Our blind flanges are available with raised or RTJ faces and also with female threads as sometimes clients want with inside NPT/BSP threaded to allow pressure test connection to be fitted. This blind flanges are sometimes custom made or machined to accept a NB sized pipe to whick reduction is being made. This reduction can be a threaded or welded reduction. 

Blind flanges are available in all of our stainless steel from ½” to 36” and beyond, class 150 to 2500. We Keep stock for the same to meet your most demanding schedules and most rigid technical requirements.

 

Blind Flanges Product Range
Range
½" (15 NB) to 48" (1200NB) in 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 ETC. Available with NACE MR 01-75

Stainless Steel Blind Flanges
Grade : 304, 304L, 304H, 309, 310, 310S, 316, 316Ti, 316 L, 317, 317L, 321, 347, 347 H, 409, 410, 410S, 420, 430L

Duplex Steel Blind Flanges
Grade : 2205 (UNS No. S31803), 2507 (UNS No. S32750)

Nickel Alloy Blind Flanges
Grade : Nickel 200 (UNS No. N02200), Nickel 201 (UNS No. N02201), Monel 400 (UNS No. N04400), Monel 500 (UNS No. N05500), Inconel 800 (UNS No. N08800), Inconel 825 (UNS No. N08825), Inconel 600 (UNS No. N06600), Inconel 625 (UNS No. N06625), Inconel 601 (UNS No. N06601), Hastelloy C 276 (UNS No. N10276), Alloy 20 (UNS No. N08020), Titanium (Grade I & II)

Copper Alloy Blind Flanges
Grade : UNS No. C 10100, 10200, 10300, 10800, 12000, 12200, 70600, 71500, UNS No. C 70600 (Cu -Ni- 90/10), C 71500 (Cu -Ni- 70/30)

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