SOCKET WELD FLANGES
Socket Weld Flanges Manufactures
What is Socket Weld Flanges?
Socket-weld pipe flanges are typically used on smaller sizes of high-pressure pipes. These Socket Weld Flanges are attached by inserting the pipe into the socket end and applying fillet weld around the top.
This allows for a smooth bore and better flow of the fluid or gas inside of the pipe. Slip on Pipe flanges with a hub have published specifications that range from 1/2″ thru 24″.
We provide Socket Weld pipe flanges in all material grades, specifications and sizes.
S Nomi is the oldest & leading manufacturers, supplier & exporter of Socket Weld Flanges for the last 33 years in Kolkata, West Bengal India. We have the largest stock of 1/2 inch to 36″ Socket Weld Flanges in India.
Our Socket Weld Flanges Rating will help you to buy the correct Reducing Socket Weld Flange. We have extensive experience in supplying Socket Weld Flange are stocked or available in the following range of sizes and materials for the petrochemical, oil, gas, and allied industries.
Our Socket Weld Flanges Manufactures in in Kolkata, West Bengal, Bihar, Odisha, Jharkhand. that’s in all steel material grades, including carbon socket weld pipe flanges, stainless steel socket weld pipe flanges and alloy socket weld pipe flanges. Coastal Flange also has many different socket weld pipe flanges in stock and ready to ship.
Socket welding flange, a popular type of pipe flange, was initially developed for use on small-sized high- pressure piping. The fabrication of this type of flange is similar to that of a slip-on flange. However, the internal pocket of a socket weld flange allows for a smooth bore and better fluid flow.
When provided with an internal weld, the static strength of this flange is equal to slip-on flange, but the fatigue strength is 50% greater than double welding slip-on flanges. Smooth bore conditions in such a flange can easily be attained without having to bevel the flange face and, after welding, to re-face the socket weld flange as would be required with slip-on flanges.
For this reason, the internally welded flange is popular in chemical process piping. The counter bore is slightly larger than the Outer Diameter of the matching pipe, allowing the pipe to be inserted.
A restriction is built into the bottom of the bore, which acts as a shoulder for the pipe to rest on, and has the same I.D. of matching pipe. The flow is not restricted in any direction.
Dimensions
Diameter: 1/2″ à 24″
pressure class : 150# – 300# – 600# – 1500#
Schedules: SCH10S – SCH40S – SCH80S – SCH160
Variations
- Face finish : Raised face (RF) – Flat face (FF) – RTJ –
- Variations : Reducing Socket Weld
Standards
ASTM A182 – ASME SA182 – ‘Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings’
ASME B16.5 – ‘Pipe Flanges and Flanged Fittings’
MSS SP-6 – ‘Standard Finishes for Contact Faces of Pipe Flanges and Connecting End Flanges of Valves and Fittings’.
150 Lbs
| Drilling | |||||||||
| Nominal Bore | Dia. (D) | Thick. (E) | Dia. (F) | Dia. (B) | Dia. (A) | Height1 (H) | Nbr | Holes | Dia. (C) |
| 1/2″ | 90 | 11.2 | 35.05 | 30 | 22.2 | 14 | 4 | 15.87 | 60.3 |
| 3/4″ | 100 | 12.7 | 42.92 | 38 | 27.7 | 14 | 4 | 15.87 | 69.9 |
| 1″ | 110 | 14.3 | 50.80 | 49 | 34.5 | 16 | 4 | 15.87 | 79.4 |
| 1 1/4″ | 115 | 15.9 | 63.50 | 59 | 43.2 | 19 | 4 | 15.87 | 88.9 |
| 1 1/2″ | 125 | 17.5 | 73.15 | 65 | 49.5 | 21 | 4 | 15.87 | 98.4 |
| 2″ | 150 | 19.1 | 91.94 | 78 | 61.9 | 24 | 4 | 19.05 | 120.7 |
| 2 1/2″ | 180 | 22.3 | 104.65 | 90 | 74.6 | 27 | 4 | 19.05 | 139.7 |
| 3″ | 190 | 23.9 | 127.00 | 108 | 90.7 | 29 | 4 | 19.05 | 152.4 |
1,6mm raised face not included in the E & H dimensions
See below for the A2 dimension
The dimensions are in millimeters
Source: ASME B16.5 – 2007
300 Lbs
| Drilling | |||||||||
| Nominal Bore | Dia. (D) | Thick. (E) | Dia. (F) | Dia. (B) | Dia. (A) | Height1 (H) | Nbr | Holes | Dia. (C) |
| 1/2″ | 95 | 12.7 | 35.05 | 38 | 22.2 | 21 | 4 | 15.87 | 66.7 |
| 3/4″ | 115 | 14.3 | 42.92 | 48 | 27.7 | 24 | 4 | 19.05 | 82.6 |
| 1″ | 125 | 15.9 | 50.80 | 54 | 34.5 | 25 | 4 | 19.05 | 88.9 |
| 1 1/4″ | 135 | 17.5 | 63.50 | 64 | 43.2 | 25 | 4 | 19.05 | 98.4 |
| 1 1/2″ | 155 | 19.1 | 73.15 | 70 | 49.5 | 29 | 4 | 22.22 | 114.3 |
| 2″ | 165 | 20.7 | 91.94 | 84 | 61.9 | 32 | 8 | 19.05 | 127.0 |
| 2 1/2″ | 190 | 23.9 | 104.65 | 100 | 74.6 | 37 | 8 | 22.22 | 149.2 |
| 3″ | 210 | 27.0 | 127.00 | 117 | 90.7 | 41 | 8 | 22.22 | 168.3 |
1,6mm raised face not included in the E & H dimensions
See below for the A2 dimension
The dimensions are in millimeters
Source : ASME B16.5 – 2007
600 Lbs
| Drilling | |||||||||
| Nominal Bore | Dia. (D) | Thick. (E) | Dia. (F) | Dia. (B) | Dia. (A) | Height1 (H) | Nbr | Holes | Dia. (C) |
| 1/2″ | 95 | 14.3 | 35.05 | 38 | 22.2 | 22 | 4 | 15.87 | 66.7 |
| 3/4″ | 115 | 15.9 | 42.92 | 48 | 27.7 | 25 | 4 | 19.05 | 82.6 |
| 1″ | 125 | 17.5 | 50.80 | 54 | 34.5 | 27 | 4 | 19.05 | 88.9 |
| 1 1/4″ | 135 | 20.7 | 63.50 | 64 | 43.2 | 29 | 4 | 19.05 | 98.4 |
| 1 1/2″ | 155 | 22.3 | 73.15 | 70 | 49.5 | 32 | 4 | 22.22 | 114.3 |
| 2″ | 165 | 25.4 | 91.94 | 84 | 61.9 | 37 | 8 | 19.05 | 127.0 |
| 2 1/2″ | 190 | 28.6 | 104.65 | 100 | 74.6 | 41 | 8 | 22.22 | 149.2 |
| 3″ | 210 | 31.8 | 127.00 | 117 | 90.7 | 46 | 8 | 22.22 | 168.3 |
6,4mm raised face not included in the E & H dimensions
See below for the A2 dimension
The dimensions are in millimeters
Source : ASME B16.5 – 2007
INNER diameter depending on thicknesses – A2
| Nominal Bore | SCH10S | SCH40S | SCH80S | SCH160 |
| 1/2″ | 17.1 | 15.8 | 13.9 | 11.8 |
| 3/4″ | 22.4 | 20.9 | 18.8 | 15.6 |
| 1″ | 27.8 | 26.6 | 24.3 | 20.7 |
| 1 1/4″ | 36.6 | 35.1 | 32.5 | 29.5 |
| 1 1/2″ | 42.7 | 40.9 | 38.1 | 34 |
| 2″ | 54.7 | 52.5 | 49.2 | 42.9 |
| 2 1/2″ | 66.9 | 62.7 | 59 | 54 |
| 3″ | 82.8 | 77.9 | 73.7 | 66.7 |
The dimensions are in millimeters
Source : ASME B16.5 – 2007
