API Expander Flange, Expander Flange Dimensions.

  • Expander Flange

Expander Weld Neck Flange, Expander Flange Uses, Expander Flange Sizes, Expander Flange Manufacturers.

Standard Specification For Expander Flange

Size 1/2" (15 NB) to 48" (1200NB) DN10~DN5000
Pressure Rate 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS
Facing Types Raised Face (RF), Flat Face (FF), Ring Type Joint (RTJ), Lap-Joint Face (LJF), Large Male-Female (LMF), Small Male-Female (SMF), Large Tongue & Groove, Small Tongue, Groove
Value Added Services Antirust Paint, Oil Black Paint, Yellow Transparent, Zinc Forgedd, Cold and Hot Dip Galvanized
Dimensions ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings
Production Technique Forged, Heat Treated and Machined
Manufacturers of Expander Flanges
  • Raccortubi S.P.A., Italy
  • Erne Fittings, Austria
  • Melesi, Italy
  • Mega, Italy
  • Ulma, Spain
  • TecnoForge, Italy
  • BENKAN Corporation, Japan
  • BKL- Thai Benkan, Thailand
  • Lame S.R.l., Italy
  • Metal Far, Italy
ANSI ANSI B16.5, ANSI B16.47, MSS SP44, ANSI B16.36, ANSI B16.48
DIN DIN2527, DIN2566, DIN2573, DIN2576, DIN2641, DIN2642, DIN2655, DIN2656, DIN2627, DIN2628, DIN2629, DIN 2631, DIN2632, DIN2633, DIN2634, DIN2635, DIN2636, DIN2637, DIN2638, DIN2673
BS BS4504 , BS4504, BS1560, BS10
JIS 5K, 10K, 16K 20K, 30K, 40K, 63K
Test Direct-reading Spectrograph,Hydrostatic testing machine,X-ray detector,UI trasonic flaw detector,Magnetic particle detector
Origin West Europe / Japan / Indian / USA / Korea
Equipments Press Machine, Bending Machine, Pushing Machine, Electric Bevelling Machine, Sand-Blasting Machine, etc.

Expander Flange Material

Stainless Steel Expander Flange : 
ASTM A 182, A 240 F 304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H, 904L

Duplex & Super Duplex Steel Expander Flange : 
ASTM / ASME A/SA 182 F 44, F 45, F51, F 53, F 55, F 60, F 61

Carbon Steel Expander Flange : 
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

Low Temperature Carbon Steel Slip on Flanges : ASTM A350, LF2, LF3

Alloy Steel Expander Flange : 
ASTM / ASME A/SA 182 & A 387 F1, F5, F9, F11, F12, F22, F91

Copper Alloy Steel Expander Flange : 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

Nickel Expander Flange : 
Nickel 200 (UNS No. N02200), Nickel 201 (UNS No. N02201)

Monel Alloy Expander Flange : 
Monel 400 (UNS No. N04400), Monel 500 (UNS No. N05500)

Special Alloy Expander Flange : 
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), Hastelloy B2, Alloy 20 (UNS No. N08020)

Expander Flange Dimensions

Expander Flange DimensionsExpander Flange DimensionsExpander Flange Dimensions

Pipe Size (NPS) Outside Diameter of Flange A Diameter of Raised Face B Thickness of Flange
C
Diameter of Bore
D
Diameter of Bore
D2
Diameter of Hub at Weld
H
Diameter of Hub at Base
J
Length of Hub
K
Compound Taper  
CT
Slope at Bevel
SB
Number of Bolt Holes Diameter of Bolt Holes Bolt Circle Diameter
P
Approx. Weight (lb) Design Type
2 x 3 6 3 5/8 3/4 2.067 3.068 3.500 3 1/16 2 1/2 - 16° 4 3/4 4 3/4 6 A
2 x 4 6 3 5/8 3/4 2.067 4.026 4.500 3 1/16 3 5/8 1/2 29° * 4 3/4 4 3/4 6 C
3 x 4 7 1/2 5 15/16 3.068 4.026 4.500 4 1/4 2 3/4 - 15° 4 3/4 6 11 A
4 x 6 9 6 3/16 15/16 4.026 6.065 6.625 5 5/16 3 1/4 1/2 30° * 8 3/4 7 1/2 15 C
6 x 8 11 8 1/2 1 6.065 7.981 8.625 7 9/16 4 1/2 28° * 8 7/8 9 1/2 24 C
8 x 10 13 1/2 10 5/8 1 1/8 7.981 10.020 10.750 9 11/16 4 1/2 29° * 8 7/8 11 3/4 39 C
8 x 12 13 1/2 10 5/8 1 1/8 7.981 12.000 12.750 9 11/16 6 1/2 29° * 8 7/8 11 3/4 39 C
10 x 12 16 12 3/4 1 3/16 10.020 12.000 12.750 12 3 15/16 1/2 39° * 12 1 14 1/4 52 C
10 x 14 16 12 3/4 1 3/16 10.020 13.250 14.000 12 5 7/16 5/8 30° * 12 1 14 1/4 52 C
12 x 14 19 15 1 1/4 12.000 13.250 14.000 14 3/8 4 1/2 - 11° 12 1 17 80 D
12 x 16 19 15 1 1/4 12.000 15.250 16.000 14 3/8 4 13/16 5/8 30° * 12 1 17 80 C
14 x 16 21 16 1/4 1 3/8 13.250 15.250 16.000 15 3/4 5 - 15° 12 1 1/8 18 3/4 120 A
14 x 18 21 16 1/4 1 3/8 13.250 17.250 18.000 15 3/4 5 11/16 5/8 30° * 12 1 1/8 18 3/4 120 C
18 x 20 25 21 1 9/16 17.250 19.250 20.000 19 7/8 5 1/2 - 14° 16 1 1/4 22 3/4 140 A
18 x 24 25 21 1 9/16 17.250 23.250 24.000 19 7/8 8 13/16 5/8 28° * 16 1 1/4 22 3/4 140 C
20 x 24 27 1/2 23 1 11/16 19.250 23.250 24.000 22 6 7/16 5/8 30° * 20 1 1/4 25 170 C
24 x 30 32 27 1/4 1 7/8 23.250 29.250 30.000 26 1/8 8 11/16 3/4 30° * 20 1 3/8 29 1/2 260 C
Expander Flange Application Industries
  • Air Pollution Control- Scrubbers for Coal-Fired Power Plants
  • Seawater Cooling Devices
  • Architectural railings
  • Wiring In Electrostatic Precipitators
  • Oil Refinery
  • Gas Scrubbing Plants
  • Pulp and Paper Processing Industries
  • Acetic, Phosphoric and Sulphuric Acid Processing Plants
  • Oil and Gas Production - offshore process equipment Offshore, sea water technology, chemical industry, good stability against expander acids of medium strength like sulphuric acid and phosphoric acid and various chloric media, refinery, paper industry, pulp industry
Properties of Expander Flange
  • Excellent corrosion resistance in a wide range of atmospheric environments
  • Good oxidation resistance in intermittent service to 870°C and in continuous service to 925°C
  • Good resistance to carbide precipitation
  • Good machining properties
  • higher strength at elevated temperatures
  • Excellent weldability with and without filler metals
Expander Flange Delivery Time
  • Malaysia = 15 to 18 Days
  • Indonesia = 20 to 25 Days
  • UK = 30 to 40 Days
  • Thailand = 15 to 20 Days
  • US = 40 to 60 Days
  • Germany = 30 to 40 Days
  • Philippines = 30 to 40 Days
  • For All Gulf Countries = 10 to 15 Days
  • For All European Countries = 30 to 40 Days
Our Global Market