Sarda Pipes & Fittings Pvt. Ltd

Blind Flanges

Blind Flanges

Specifications

Size 1/8
Class 150#, 300#,400 #,600#,900#, 1500# & 2500 #.
Standards ANSI : ANSI B16.5, ANSI B16.47, MSS SP44, ANSI B16.36, ANSI B16.48
B.S BS4504 , BS4504, BS1560, BS10
Type Threaded, Slip-On, Welding Neck

DIN :

DIN2527, DIN2566, DIN2573, DIN2576, DIN2641, DIN2642, DIN2655,   DIN2656, DIN2627, DIN2628, DIN2629, DIN 2631, DIN2632, DIN2633,   DIN2634, DIN2635, DIN2636, DIN2637, DIN2638, DIN2673

 

We manufacturer steel flanges which meet all international quality standards such as DIN, EN1092-1, BS4504, ANSI, API, MSS, AWWA, UNI, JIS, SANS, GOST, NFE, ISO, AS, NS Blind Flanges etc. We are manufacturing 75lbs, 150lbs, 300lbs, 600lbs, 900lbs, 1500lbs, 2500lbs, PN6, PN10, PN16, PN25, PN40, PN63, PN64, PN100, GOST 12820 and GOST 12821, PN0.6MPA, PN1.0MPA, PN1.6MPA, PN2.5MPA, PN4.0MPA, SANS1123 or SABS1123, 600kpa, 1000kpa, 1600kpa, 2500kpa, 4000kpa flange ratings as per application or client’s requirement.

 

Lowest Price In India On Blind Flanges. High Quality Reducing Flange Like Class 150 Blind Flanges, Class 300 Blind Flanges, Class 600 Blind Flanges, Class 900 Blind Flanges, Class 1500 Blind Flanges & Class 2500 Blind Flanges Suppliers In India

 

Size : 1/2″ (15 NB) to 48″ (1200NB)

 

Standards : ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings

 

Pressure Ratings : Class 150, Class 300, Class 400, Class 600, Class 900, Class1500, Class 2500 | PN6, PN10, PN16, PN25, PN40, PN64 etc.

 

Carbon Steel Blind Flanges : 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 Blind Flanges : ASTM A182 F202, F304/304L/304H, F316/316L, F316H, F316TI, F310, F321, F904L
Alloy Steel Blind Flanges: ASTM A182 F1, F5, F9, F11, F22, F91

 

Special Alloy Blind Flanges : Duplex, 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 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

 

Price List Of Blind Flanges :

  • Carbon steel reducer flange
    US $0.1-10 / Piece
  • Custom weld neck reducing blind flange
    US $0.1-100 / Piece
  • Dn 300 sch80 pipe fitting tee elbow reducer flange for water trans
    US $1-99 / Piece
  • ANSI B16.5 Forged 150lb Reducers Flange
    US $0.1-10 / Piece
  • ANSI B16.5 threaded reducing flange
    US $1.5-200 / Piece
  • A 105 carbon steel welding neck reducing flange
    US $1-6 / Piece
  • JIS B2220 weld neck reducing stainless steel blind flange
    US $180-430 / Piece
  • high quality titanium weld neck reducing flange
    US $9-149 / Piece
  • a105 24″x20″ 42 reducing weld neck flange
    US $0.1-129 / Piece
  • Forged steel welding neck reducing flange
    US $0.2-2000 / Piece
  • A234 wpb carbon steel reducer flange
    1 Piece (Min. Order)
  • Duplex Stainless Steel Reducing Flange Exporters
    US $1000-3000 / Ton
  • Ansi b16.5 forged stainless steel weld neck reducing flange
    US $1-10000 / Ton
  • socket weld neck reducing hub stainless steel flange
    US $1-1000 / Ton
  • Astm a105n carbon steel weld neck reducing flange
    US $0.15-10 / Piece
  • Socket weld flange,weld neck reducing flange,a182 f316 stainless steel weld neck flange
    US $1-500 / Piece
  • a105 carbon steel threaded reducer pipe flange
    US $1000-2500 / Ton
  • Weld neck reducing flange supplier/price
    US $1-500 / Piece
  • dn100 pn16 weld neck reducing pipe flange
    US $0.15-10 / Piece
  • Stainless steel reducing flange
    US $2-60 / Piece

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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. F904LCarbon 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, F70Duplex 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, F91Special Alloy Blind Flanges: Duplex, Super Duplex, Nickel AlloysNickel 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.

Dimensions of Blind Flanges ASME B16.5

Dimensions of Blind Flanges ASME B16.5
Class 150 300 400 600 900 1500 2500
Diameter - D 90 95 95 95 120 120 135
Height - B 9.6 12.7 14.3 14.3 22.3 22.3 30.2
11.2 14.3 20.7 20.7 28.7 28.7 36.6
Diameter - G 35.1 35.1 35.1 35.1 35.1 35.1 35.1
Diameter - K 60.3 66.7 66.7 66.7 82.6 82.6 88.9
Bolt Holes 4 4 4 4 4 4 4
Diameter - L 15.9 15.9 15.9 15.9 22.2 22.2 22.2
Stud Bolts Diameter x Length
Diameter (in) 01/02/18 01/02/18 01/02/18 01/02/18 03/04/18 03/04/18 03/04/18
Length (mm) 55 65 75 75 110 110 120

Dimensional Tolerances of Blind Flanges ASME B16.5

Outside Diameter
≤ 24 = 1.6 mm | > 24 = ± 3.2 mm
Inside Diameter
not applicable
Diameter of Contact Face
1.6 mm Raised Face = ± 0.8 mm
6.35 mm Raised Face, Tongue & Groove / Male-Female = ± 0.4 mm
Outside Diameter of Hub
≤ 12 = + 2.4 mm / - 1.6 mm | ≥ 14 = ± 3.2 mm
Diameter of Counterbore
not applicable
Drilling
Bolt Circle = 1.6 mm | Bolt Hole Spacing = ± 0.8 mm
Eccentricity of Bolt Circle with Respect to Facing
≤ 2½ = 0.8 mm max. | ≥ 3 = 1.6 mm max.
Thickness
≤ 18 = + 3.2 mm / - 0 | ≥ 20 = + 4.8 mm / - 0
Length thru Hub
≤ 18 = + 3.2 mm / - 0.8 mm | ≥ 20 = + 4.8 mm / - 1.6 mm

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