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Kencotube is well known manufacturing house of Weld neck raised face flanges (WNRF), which is one of the most commonly used flange in the piping industry. Stainless Steel Weld neck raised face flanges are easy to recognize with their long tapered hub that is matched to the wall thickness (bore) of the pipe. These Carbon Steel Weld neck raised face flanges are attached by welding the pipe to the neck of the flange, where this transfers stress from the flange to the pipe instead. Alloy Steel Weld neck raised face flanges also reduce the stress concentration from the base of the hub, where bore is machined to match the ID of the pipe or fitting. Alloy 20 Weld neck raised face flanges creates a smooth transition to and from the weld neck flange and prevents turbulence at the welding neck.
Super Duplex Steel Weld neck raised face flanges is welded to pipe with full penetration weld and provides excellent stress distribution through tapered neck. Monel Weld neck raised face flanges are also routinely radiographed or UT examined in critical applications. Nickel Alloy Weld neck raised face flanges is available in both raised face and flat face configuration. Most common Inconel Weld neck raised face flanges have standard bore or extra heavy bore. Hence it is important to specify the pipe schedule at the time of buying a Duplex Steel Weld neck raised face flanges. These are also being offered in different sizes and shapes to our clients.
|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 Weld Neck 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 Weld Neck Raised Face Flanges : ASTM / ASME A/SA 182 F 44, F 45, F51, F 53, F 55, F 60, F 61
Carbon Steel Weld Neck 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 Weld Neck Raised Face Flanges : ASTM / ASME A/SA 182 & A 387 F1, F5, F9, F11, F12, F22, F91
Nickel Alloy Weld Neck 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 Weld Neck 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 Weld Neck Raised Face Flanges : ASTM A350, LF2, LF3
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