Blind Flange

Blind Flange

1.Name: Blind flange
2.Size: 1/8" to 56"(DN15--DN1400)
3.Class: 150#, 300#, 400#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.
4.Standard: ANSI B16.5, ANSI B16.47, ANSI B16.36, ANSI B16.48, DIN2527, DIN2566, DIN2573, DIN2576, DIN2641, DIN2642, DIN2655...

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Product Details

Product Description
1.Name:
Blind flange
2.Size: 1/8" to 56"(DN15--DN1400)
3.Class: 150#, 300#, 400#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.
4.Standard: ANSI B16.5, ANSI B16.47, ANSI B16.36, ANSI B16.48, DIN2527, DIN2566, DIN2573, DIN2576, DIN2641, DIN2642, DIN2655, DIN2656, DIN2627, DIN2628, DIN2629, DIN 2631, DIN2632, DIN2633, DIN2634, DIN2635, DIN2636, DIN2637, DIN2638, DIN2673, BS4504, BS4504, BS1560, BS10, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Non-standard flanges are available too
5.Material:
Carbon Steel: 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: ASTM A182 F202, F304/304L/304H, F316/316L, F316H, F316TI, F310, F321, F904L
Alloy Steel: ASTM A182 F1, F5, F9, F11, F22, F91
Duplex: A182 F51, F53, F55
Special Alloy: Super Duplex, Nickel Alloys
Flange Face Type: Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)
Coating/Surface Treatment: Anti-rust Paint, Oil Black Paint, Yellow Transparent, Zinc Plated, Cold and Hot Dip Galvanized
Value Added Services: CNC Machining, Customised Flanges


Blind Flanges Specification

Type

Blind Flanges, BL Flanges, ASME 16.5 Blind Flanges/BLRF Flanges

Size

½" (15 NB) to 48" (1200NB)

Pressure Class

150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS, DIN Standard ND-6, 10, 16, 25, 40 Etc.

Material

Stainless Steel Blind Flanges: ASTM A182 F202, A 240 F 304, 304L, 304H, 316, 316L, 316Ti, 316LN, 310S, 317L, 321, 410, 420, 440C, 202. F904L

Carbon Steel Blind 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, F70

Duplex Steel Blind Flanges: ASTM/ASME SA 182 F 44, F 45, F51, F 53, F 55, F 60, F 61.

Alloy Steel Blind Flanges: ASTM A182 F1, F5, F9, F11, F22, F91

Special Alloy Blind Flanges: Duplex, Super Duplex, Nickel Alloys

Nickel Alloy Blind Flanges: Cupro Nickel (90/10, 70/30, 66/30/2/2), Hastelloy (C-4, C-22, C276, B-2), Nickel (200/201/205), Monel 400 & K500), Inconel (600, 601, 625 & 825), Incolloy (800, 800H), Alloy 20, Duplex Steel, SS 904L, Titanium (1 & 2) Etc.

Specialize

As per drawing

Standard

ANSI B16.5, ANSI B16.47, ANSI B16.36, ANSI B16.48, BS 4504, EN1092, UNI 2277/2278, DIN

Connection Type

Raised Face, Flat Face, Ring Type Joint, Lap–Joint Face, Large Male–Female, Small Male–Female, Large Tongue & Groove, Small Tongue & Groove.

Flanges Forms

Blind Raise Face–BLRF, Weld Neck Flanges–WNRF, Socket Weld Flanges–SWRF, Slip On Raise Face–SORF, Spectacle Blind, Ring Joint, Large Dia Flanges, Orifice Flanges, Girth Flange, Lap Joint Flanges, Screwed (Threaded) Flanges, Long Weld Neck Flanges, Reducing.


BLIND FLANGES MATERIAL & GRADES:
Stainless Steel Blind Flanges:
 ASTM A182, A240 F 304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H, 904L
Carbon Steel Blind 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, F70
Alloy Steel Blind Flanges: ASTM/ASME A/SA 182 & A 387 F1, F5, F9, F11, F12, F22, F91
Duplex Steel Blind Flanges: ASTM/ASME A/SA 182 F 44, F 45, F51, F 53, F 55, F 60, F 61
Super Duplex Blind Flanges: ASTM/ASME A/SA 182, A240 F 44, F 45, F51, F 53, F 55, F 60, F 61
Nickel Alloy Blind Flanges: Nickel 200 (UNS No. N02200), Nickel 201 (UNS No. N02201), Monel 400 (UNS No. N04400), Monel 500 (UNS No. N05500), Inconel 625 (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: UNS No. C10100, 10200, 10300, 10800, 12000, 12200, 70600, 71500, UNS No. C 70600 (Cu -Ni- 90/10), C 71500 (Cu-Ni-70/30)
Low Temperature Carbon Steel Blind Flanges: ASTM A350, LF2, LF3


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