Weld Neck Flange suppliers in UAE

Stainless steel weld neck flange manufacturers in Dubai, refer to WNRF flange dimensions in MM, weight, and online price list as per ANSI B16.5


Weld Neck Flange

Long Weld Neck Vs. Weld Neck Flange

Long Weld Neck Flanges are just likean Weld Neck Flange except that the neck is lengthened. It acts as a boring extension. Long weld neck flanges could be employed in high pressure and high temperature industrial uses. They're frequently used in the oil and gas or chemical sectors.
The weld flange is a forged item used to connect pipes and pieces in a piping system. The welding on this flange offers a strong connection.It is easy to install and detach for regular maintenance and repairs.

ASME B16.5 Weld Neck Flange Installation

A common integral-type flange is a ASME B16.5 Weld Neck Flange that conforms to ASME B16.5. It is completely cast or welded with the tapered neck. Because the high-stress concentration at the foot of the flange is decreased by shifting tension to the surrounding pipe.This design offers a smooth changeover with little tensile stress. The welding neck flange is the finest constructed butt weld flange accessible, despite its high cost.This is because the long tapered hub gives superior durability and resistance to dishing.

Check benefits of carbon steel weld neck flange and of long weld neck flange in class 150 to 2500

Advantages And Disadvantages Of Carbon Steel Weld Neck Flange

Some flange elements, like a Carbon Steel Weld Neck Flange, are extremely heat resistant. The enormous pressure created in plumbing installations throughout the sector necessitates high-pressure resistance. A welded flange is more durable than a bolt-on flange. The bolt-on flange may require a gasket, which may cause leaks.
Assembly of these flanges does necessitate the abilities of a more experienced welder. To minimize friction in the flow of substance, the interior of the connection must be smooth.

How To Calculate Weight Of Stainless Steel Weld Neck Flange

The mass of a Stainless Steel Weld Neck Flange is determined by the substance used in its construction. It can also have an impact on the strain that the flange can withstand.
Therefore, weight = (A1*A1-B1*B1-D1*C1*C1)*C*π/4*7.93/1000000(kg)

Buy ASME B16.5 weld neck flange for oil and gas industry, suppliers & importers welding neck flanges materials according to ASTM A182 F304/ F316/ A105 in the Middle East




Specialized in manufacturing

Weld Neck Flange

ASME B16.5 Weld Neck Flange Attach By Welding The Pipe To The Neck Of The Flanges.

Size

1/2 Inches To 24 Inches

Class

150 To 2500

ASTM

A105, A182, A694

ASME

B16.5
Weld Neck Pipe Flanges


Available Size Of Stainless Steel Long Weld Neck Flange



Benefits of WNRF Flanges


  • Low erosion rates
  • High cyclical loading capability.
  • Causes minimal turbulence
  • Means for a direct connection to elbow/ tee or reducers
  • Excellent stress-distribution along the tapered hub


WNRF Flange Specification


Specifications Weld Neck Flange
Brand Name Schulzmann
Certificate ISO
Size 1/2” to 24”
Payment Type L/C,T/T,D/P,Paypal
Supporting Material For Flanges Gasket/ Ring Joint/ Flanges Bolts
Available Packing Packing In Plywood Box And Plywood Pallet
Class Class 150 to Class 2500
Supply Ability 1299 Ton Per Month
Use In Marine & dredging
Sanitation
Process Instrumentation
Oil and Gas
Petrochemical/ Refinery/Chemical
Power etc.
Transportation In Air & Ocean and Land
Weld Neck Flange Manufacturer In UAE 1500 ton per month (Manufacturing Productivity)
Testing Hydrostatic testing machine
Magnetic particle detector
Direct-reading Spectrograph
UI trasonic flaw detector
Methods Of Forging Casting
Forging
Rolling
Cutting
Equipment Pushing Machine
Press machine
electric bevelling machine


Weld Neck Flange Price List


Description Price In US ($)
1.1/2 NB, 300LB, SCH XS, SA 105N, ASME B16.5 US $584.68 Per KG
SIZE : 3", WELD NECK FLANGE 150# A105 US $16.85 Per KG
FLANGES RF WELD NECK, SIZE : 2", 600# STD US $54.80 Per KG
FLANGES RF WELD NECK 600#, SIZE : 4", STD US $129.84 Per KG
SIZE : 3/4", RF WELD NECK, 150#, SCH 160 US $39.83 Per KG
SIZE : 2", RF WELD NECK, 150#, STD US $47.56 Per KG
SIZE : 3", RF, WELD NECK, 600#, XS US $107.27 Per KG
SIZE : 2", RF/RTJ, 900#, WELD NECK, XXS, A105/LF2 US $774.41 Per KG
1.1/2, RTJ, 1500#, WELD NECK, 160, A105/LF2 US $299.79 Per KG
SIZE : 6", RF, WELD NECK, 600#, XS LF2 US $216.69 Per KG
SIZE : 4", FLANGES RF, WELD NECK, 300#, STD US $251.11 Per KG
SIZE : 8", RTJ, 1500#, WELD NECK, 160, A105/LF2 US $3040.37 Per KG


Types Of Weld Neck Pipe Flanges


Stainless Steel Weld Neck Flanges

Stainless Steel Weld Neck Flanges

SS Weld Neck Flanges

SS Weld Neck Flanges

Stainless Steel Long Weld Neck Flanges

Stainless Steel Long Weld Neck Flanges

LWNRF Flanges

LWNRF Flanges

WNRF Flanges

WNRF Flanges

3 Inch Welding Neck Flange

3 Inch Welding Neck Flange

Raised Face Weld Neck Flanges

Raised Face Weld Neck Flanges

Flat Face Weld Neck Flanges

Flat Face Weld Neck Flanges

Reducing Weld Neck Flanges

Reducing Weld Neck Flanges

6 Inch Weld Neck Flanges

6 Inch Weld Neck Flanges

Carbon Steel Weld Neck Flanges

Carbon Steel Weld Neck Flanges

ASTM A105 WN Flange

ASTM A105 WN Flange

ASME B16.5 Weld Neck Flanges

ASME B16.5 Weld Neck Flanges

Well Neck Flanges

Well Neck Flanges

Straight Hub Welding Flanges

Straight Hub Welding Flanges


ASME B16.5 Weld Neck Flange Dimensions In MM


Class 150 Weld Neck Flanges Dimensions In MM

ASME B16.5 Weld Neck Flange Dimensions In MM

Size In InchesD In (millimeter)X In (millimeter)G In (millimeter)t In (millimeter)B1 In (millimeter)T1 In (millimeter)A In (millimeter)
1/28930.235.111.215.747.821.3
3/49938.142.912.720.852.326.7
110849.350.814.226.755.633.5
11758.763.515.735.157.242.2
12765.073.217.540.962.048.3
215277.791.919.152.663.560.5
17890.4104.622.462.769.973.2
3191108.0127.023.978.069.988.9
216122.2139.723.990.271.4101.6
4229134.9157.223.9102.476.2114.3
5254163.6185.723.9128.388.9141.2
6279192.0215.925.4154.288.9168.4
8343246.1269.728.4202.7101.6218.2
10406304.8323.930.2254.5101.6273.1
12483365.3381.031.8304.8114.3323.9
14533400.1412.835.1336.6127.0355.6
16597457.2469.936.6387.4127.0406.4
18635505.0533.439.6438.2139.7457.2
20699558.8584.242.9489.0144.5508.0
24813663.4692.247.8590.6152.4609.6


Class 300 Weld Neck Flanges Dimensions In MM

Size In InchesD In (millimeter)X In (millimeter)G In (millimeter)t In (millimeter)B1 In (millimeter)T1 In (millimeter)A In (millimeter)
1/29538.135.114.215.752.321.3
3/411747.842.915.720.857.226.7
112453.850.817.526.762.033.5
13363.563.519.135.165.042.2
15569.973.220.640.968.348.3
216584.191.922.452.669.960.5
191100.1104.625.462.776.273.2
3210117.3127.028.478.079.288.9
229133.4139.730.290.281.0101.6
4254146.1157.231.8102.485.9114.3
5279177.8185.735.1128.398.6141.2
6318206.2215.936.6154.298.6168.4
8381260.4269.741.1202.7111.3219.2
10445320.5323.947.8254.5117.3273.1
12521374.7381.050.8304.8130.0323.9
14584425.5412.863.8336.6142.7355.6
16648482.6469.957.2387.4146.1406.4
18711533.4533.460.5438.2158.8457.2
20775587.2584.263.5489.0162.1508.0
24914701.5692.269.9590.6168.1609.6


Class 600 Weld Neck Flanges Dimensions In MM

Size In InchesD In (millimeter)X In (millimeter)G In (millimeter)t In (millimeter)B1 In (millimeter)T1 In (millimeter)A In (millimeter)
1/29538.135.114.2B36.10/.1952.321.3
3/411747.842.915.7B36.10/.1957.226.7
112453.850.817.5B36.10/.1962.033.5
13363.563.520.6B36.10/.1966.542.2
15569.973.222.4B36.10/.1969.948.3
216584.191.925.4B36.10/.1973.260.5
191100.1104.628.4B36.10/.1979.273.2
3210117.3127.031.8B36.10/.1982.688.9
229133.4139.735.1B36.10/.1985.9101.6
4273152.4157.238.1B36.10/.19101.6114.3
5330189.0185.744.5B36.10/.19114.3141.2
6356222.3215.947.8B36.10/.19117.3168.4
8419273.1269.755.6B36.10/.19133.4219.2
10508342.9323.963.5B36.10/.19152.4273.1
12559400.1381.066.5B36.10/.19155.4323.9
14603431.8412.869.9B36.10/.19165.1355.6
16686495.3469.976.2B36.10/.19177.8406.4
18743546.1533.482.6B36.10/.19184.2457.2
20813609.6584.288.9B36.10/.19190.5508.0
24940717.6692.2101.6B36.10/.19203.2609.6


Class 900 Weld Neck Flanges Dimensions In MM

Size In InchesD In (millimeter)X In (millimeter)G In (millimeter)t In (millimeter)B1 In (millimeter)T1 In (millimeter)A In (millimeter)
1/212138.135.122.4B36.10/.1960.521.3
3/413044.542.925.4B36.10/.1969.926.7
114952.350.828.4B36.10/.1973.233.5
15963.563.528.4B36.10/.1973.242.2
17869.973.231.8B36.10/.1982.648.3
2216104.691.938.1B36.10/.19101.660.5
244124.0104.641.1B36.10/.19104.673.2
3241127.0127.038.1B36.10/.19101.688.9
4292158.8157.244.5B36.10/.19114.3114.3
5349190.5185.750.8B36.10/.19127.0141.2
6381235.0215.955.6B36.10/.19139.7168.4
8470298.5269.763.5B36.10/.19162.1219.2
10546368.3323.969.9B36.10/.19184.2273.1
12610419.1381.079.2B36.10/.19200.2323.9
14641450.9412.885.9B36.10/.19212.9355.6
16705508.0469.988.9B36.10/.19215.9406.4
18787565.2533.4101.6B36.10/.19228.6457.2
20857622.3584.2108.0B36.10/.19247.7508.0
241041749.3692.2139.7B36.10/.19292.1609.6


Grade Of Stainless Steel Weld Neck Flanges




Class 1500 Weld Neck Flanges Dimensions In Inch

Class 1500-2500 Weld Neck Flanges Dimensions In Inch

Normal Pipe Size In InchID In InchOD In InchBolt Circle In InchRaised Face (R) In InchR/F In InchH In InchH1 In InchR/F Thickness (T) In InchT1 In InchF/F Thickness (T2) In InchBolt Hole (B) In InchNumber of Bolt Holes
1/20.554.753.251.38.2501.500.842.630.882.380.884
3/40.745.133.501.69.2501.751.053.001.002.750.884
10.965.884.002.00.2502.061.323.131.132.881.004
1-1/41.286.254.382.50.2502.501.663.131.132.881.004
1-1/21.507.004.882.88.2502.751.903.501.253.251.134
21.948.506.503.63.2504.132.384.251.504.001.008
2-1/22.329.637.504.13.2504.882.884.381.634.131.138
32.9010.508.005.00.2505.253.504.881.884.631.258
43.8312.259.506.19.2506.384.505.132.134.881.388
54.8114.7511.507.31.2507.755.566.382.886.131.638
65.7615.5012.508.50.2509.006.637.003.256.751.5012
87.6319.0015.5010.63.25011.508.638.633.638.381.7512
109.7523.0019.0012.75.25014.5010.7510.254.2510.002.0012
1211.7526.5022.5015.00.25017.7512.7511.384.8811.132.1316
1413.0029.5025.0016.25.25019.5014.0012.005.2511.752.3816
1615.0032.5027.7518.50.25021.7516.0012.505.7512.252.6316
1817.0036.0030.5021.00.25023.5018.0013.136.3812.882.8816
2019.0038.7532.7523.00.25025.2520.0014.257.0014.003.1316
2423.0046.0039.0027.25.25030.0024.0016.258.0016.003.6316


Class 2500 Weld Neck Flanges Dimensions In Inch

Normal Pipe Size In InchID In InchOD In InchBolt Circle In InchRaised Face (R) In InchR/F In InchH In InchH1 In InchR/F Thickness (T) In InchT1 In InchF/F Thickness (T2) In InchBolt Hole (B) In InchNumber of Bolt Holes
1/20.555.253.501.38.2501.690.843.131.192.880.884
3/40.745.503.751.69.2502.001.053.381.253.130.884
10.966.254.252.00.2502.251.323.751.383.501.004
1-1/41.287.255.132.50.2502.881.664.001.503.751.134
1-1/21.508.005.752.88.2503.131.904.631.754.381.254
21.949.256.753.63.2503.752.385.252.005.001.138
2-1/22.3210.507.754.13.2504.502.885.882.255.631.258
32.9012.009.005.00.2505.253.506.882.636.631.388
43.8314.0010.756.19.2506.504.507.753.007.501.638
54.8116.5012.757.31.2508.005.569.253.639.001.888
65.7619.0014.508.50.2509.256.6311.004.2510.752.138
87.6321.7517.2510.63.25012.008.6312.755.0012.502.1312
109.7526.5021.2512.75.25014.7510.7516.756.5016.502.6312
1211.7530.0024.3815.00.25017.3812.7518.507.2518.252.8812


Full Form Of LWNRF Flange


(LWNRF) : Long Weld Neck Raised Face flanges

Long Weld Neck Flange Dimensions


Long Weld Neck Flange Dimensions

Size in (Inches) Size in (Millimeter) OD Thick. O.D. Of Hub O.D. Of Weld Neck Diameter Of R/F Height Of R/F PCD Length Of Hub Number of Bolts Size Of Bolts UNC Length Of Machine Bolts Length Of R/F Stud Size Of Hole Size Of ISO Stud
A B C D E F G H
1/2 15 90 9.6 30 21.3 34.9 2 60.3 As Required 4 1/2 50 55 5/8 M14
3/4 20 100 11.2 38 26.7 42.9 2 69.9 - 4 1/2 50 65 5/8 M14
1 25 110 12.7 49 33.4 50.8 2 79.4 - 4 1/2 55 65 5/8 M14
1 1/4 32 115 14.3 59 42.2 63.5 2 88.9 - 4 1/2 55 70 5/8 M14
1 1/2 40 125 15.9 65 48.3 73 2 98.4 - 4 1/2 65 70 5/8 M14
2 50 150 17.5 78 60.3 92.1 2 120.7 - 4 5/8 70 85 3/4 M16
2 1/2 65 180 20.7 90 73 104.8 2 139.7 - 4 5/8 75 90 3/4 M16
3 80 190 22.3 108 88.9 127 2 152.4 - 4 5/8 75 90 3/4 M16
3 1/2 90 215 22.3 122 101.6 139.7 2 177.8 - 8 5/8 75 90 3/4 M16
4 100 230 22.3 135 114.3 157.2 2 190.5 - 8 5/8 75 90 3/4 M16
5 125 255 22.3 164 141.3 185.7 2 215.9 - 8 3/4 85 95 7/8 M20
6 150 280 23.9 192 168.3 215.9 2 241.3 - 8 3/4 85 100 7/8 M20
8 200 345 27 246 219.1 269.9 2 298.5 - 8 3/4 90 110 7/8 M20
10 250 405 28.6 305 273 323.8 2 362 - 12 7/8 100 115 1 M24
12 300 485 30.2 365 323.8 381 2 431.8 - 12 7/8 100 120 1 M24
14 350 535 33.4 400 355.6 412.8 2 476.3 - 12 1 115 135 1 1/8 M27
16 400 595 35 457 406.4 469.9 2 539.8 - 16 1 115 135 1 1/8 M27
18 450 635 38.1 505 457.2 533.4 2 577.9 - 16 1 1/8 125 145 1 1/4 M30
20 500 700 41.3 559 508 584.2 2 635 - 20 1 1/8 140 160 1 1/4 M30
24 600 815 46.1 663 610 692.2 2 749.3 As Required 20 1 1/4 150 170 1 3/8 M33


Refer pressure rating of WN flanges, and ready sizes of alloy steel weld neck flange in UAE, call Schulzmann for a free sample!


Carbon Steel Weld Neck Flange Pressure Ratings


Temperature (Dedgree C) Class Of Weld Neck Flanges
(150#) (300#) (400#) (600#) (900#) (1500#) (2500#)
-29 - 38 19.8 51.7 68.9 103.4 155 259 431
50 19.5 51.7 68.9 103.4 155 259 431
100 17.7 51.5 68.7 103.0 155 258 429
150 15.8 50.2 66.8 100.3 151 251 418
200 13.8 48.6 64.8 97.2 146 243 405
250 12.1 46.3 61.7 92.7 139 232 386
300 10.2 42.9 57.0 85.7 129 214 357
325 9.3 41.4 55.0 82.6 124 207 344
350 8.4 40.0 53.4 80.0 120 200 334
375 7.4 37.8 50.4 75.7 114 189 315
400 6.5 34.7 46.3 69.4 104 174 290
425 5.5 28.8 38.4 57.5 86.3 144 240
450 4.6 23.0 30.7 46.0 69.0 115 192
475 3.7 17.1 22.8 34.2 51.3 85.4 142
500 2.8 11.6 15.4 23.2 34.7 57.9 96.5
538 1.4 5.9 7.9 11.8 17.7 29.5 49.2


Grades Of Carbon Steel WNRF Flanges




Facing Types Of 4 Inch WN Flange


Facing Types

  • Flat Face (FF)
  • Raised Face (RF)
  • Ring Type Joint (RTJ)
  • Tongue Face (TF)
  • Grooved Face (GF)


Also, check the bolt chart of Weld neck pipe flanges and stockists of straight hub welding flanges in Dubai


Stainless Steel Weld Neck Flange Weight Chart


Nominal Pipe Size Weight In Weld Neck Flanges
½ 2
¾ 2
1 3
3
4
2 6
10
3 11.5
12
4 16.5
5 21
6 26
8 42
10 54
12 88
14 114
16 140
18 165
20 197
22 225
24 268


Flat Face Weld Neck Flange Bolt Chart


Size Bolt Drilling Bolting Requirements
Inches Diameter Of Bolt circle In MM Holes # Holes Diameter In MM Bolt Diameter Inches Length Of F/F Length Of R/F Length Of RTJ
1/2 60.5 4 15.7 1/2 50.8 57.2
3/4 69.9 4 15.7 1/2 50.8 63.5
1 79.2 4 15.7 1/2 57.2 63.5 76.2
88.9 4 15.7 1/2 57.2 69.9 82.6
98.6 4 15.7 1/2 63.5 69.9 82.6
2 120.7 4 19.1 5/8 69.9 82.6 95.3
139.7 4 19.1 5/8 76.2 88.9 101.6
3 152.4 4 19.1 5/8 76.2 88.9 101.6
177.8 8 19.1 5/8 76.2 88.9 101.6
4 190.5 8 19.1 5/8 76.2 88.9 101.6
5 215.9 8 22.4 3/4 82.6 95.3 108.0
6 241.3 8 22.4 3/4 82.6 101.6 114.3
8 298.5 8 22.4 3/4 88.9 108.0 120.7
10 362.0 12 25.4 7/8 101.6 114.3 127.0
12 431.8 12 25.4 7/8 101.6 120.7 133.4
14 476.3 12 28.4 1 114.3 133.4 146.1
16 539.8 16 28.4 1 114.3 133.4 146.1
18 577.9 16 31.8 11/8 127.0 146.1 158.8
20 635.0 20 31.8 11/8 139.7 158.8 171.5
24 749.3 20 35.1 152.4 171.5 184.2


Grades Of Alloy Steel Welding Neck Flanges




6 Inch Weld Neck Flange Tolerances


Certificate thickness of Plate in millimeter Width in millimeter Length in millimeter
OD When O is 24 Inch or less. When O is over 24 Inch. ±0.06 Inches ±0.12 Inches ±1.6 (mm) ±3.2 (mm)
Contact Face Diameter 0.06″ (1.6 mm) R/F. 0.25″ (6.4 mm) R/F. ±0.03″ ±0.02″ ±0.8 (mm) ±0.5 (mm)
Dia. of Hub at Point of Welding Normal Pipe Size 5 and same Normal Pipe Size 6 and larger. +0.09″, -0.03″ +0.16″, -0.03″ +2.4 (mm), -0.8(mm) +4.0 (mm), -0.8 (mm)
ID Normal Pipe Size 10, 12, 18, 20 and larger. +0.03″ +0.06″ +0.12″, -0.06″ +0.8 mm +1.6 mm +3.2 mm, -1.6 mm
Dia. of Hub at Base Hub Base is 24 Inches or less. Hub Base is over 24 Inches. +0.06″ +0.12″ +1.6 (mm) +3.2 (mm)
Thickness NPS 18 and same NPS 20 and larger. +0.12″ +0.19″ +3.2 (millimeter) +4.8 (millimeter)
Facings and Drilling B.C. dia. Bolt Hole Spacing ±0.06″ ±0.03″ ±1.6 mm ±0.8 mm
Eccentricity of B.C. and Facing Normal Pipe Size 2 1/2 and smaller. Normal Pipe Size 3 and larger. ±0.03″ ±0.06″ ±0.8 mm ±1.6 mm
Length Through Hub Normal Pipe Size 10 and smaller. Normal Pipe Size 12 and larger. ±0.06″ ±0.12″ ±1.6 (mm) ±3.2 (mm)