Kencotube is manufacturer & trader of Blind Raised Face Flanges (BLRF), which are used to seal the end of piping systems or pressure vessel openings. These Stainless Steel Blind Raised Face Flanges are commonly used for testing the flow of gas or liquid through a pipe or vessel. Carbon Steel Blind Raised Face Flanges is generally a piece of metal that is cut to fit between two pipe flanges and usually sandwiched between two gaskets. Alloy Steel Blind Raised Face Flanges is often made from two metal discs that are attached to each other by a small section of steel.The whole idea of Alloy 20 Blind Raised Face Flanges is so that one can be absolutely sure that an item of equipment is properly and securely blanked off with no possibility of any flow or leakage through a valve during maintenance.
The flow in Duplex Steel Blind Raised Face Flanges can be diverted to other items of equipment but not just bypassed around the blank as this would compromise the safety function of the spectacle blind. Meanwhile, the flow in Super Duplex Steel Blind Raised Face Flanges has to valve-off and pressure relieved prior to loosening flange bolts and swinging the blind. Monel Blind Raised Face Flanges also allow for easy access to the pipe in case work must be done inside the line. Inconel Blind Raised Face Flanges are oftentimes used for high pressure applications.
|Standard||ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings|
|Size||1/2" (15 NB) to 48" (1200NB)|
|Class||150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS, DIN Standard ND-6,10, 16, 25, 40 Etc.|
|BS||BS4504 , BS4504, BS1560, BS10|
|DIN||DIN2527, DIN2566, DIN2573, DIN2576, DIN2641, DIN2642, DIN2655, DIN2656, DIN2627, DIN2628, DIN2629, DIN 2631, DIN2632, DIN2633, DIN2634, DIN2635, DIN2636,DIN2637, DIN2638, DIN2673|
|Pressure Ratings||150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64|
|Flange Face Type||Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)|
Stainless Steel Blind Raised Face Flanges : ASTM A 182, A 240 F 304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H,904L
Duplex and Super Duplex Steel Blind Raised Face Flanges : ASTM / ASME A/SA 182 F 44, F 45, F51, F 53, F 55, F 60, F 61
Carbon Steel Blind Raised Face Flanges : ASTM / ASME A/SA 105 ASTM / ASME A 350 , ASTM A 181 LF 2 / A516 Gr.70 A36, A694 F42, F46, F52, F60, F65, F706
Alloy Steel Blind Raised Face Flanges : ASTM / ASME A/SA 182 & A 387 F1, F5, F9, F11, F12, F22, F91
Nickel Alloy Blind Raised Face Flanges : ASTM SB564, SB160, SB472, SB162 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).
Copper Alloy Blind Raised Face Flanges : ASTM SB 61 , SB62 , SB151 , SB152 UNS No. C 70600 (Cu-Ni 90/10), C 71500 (Cu-Ni 70/30), UNS No. C 10100, 10200, 10300, 10800, 12000, 12200.
Low Temperature Carbon Steel Blind Raised Face Flanges : ASTM A350, LF2, LF3
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