EN 1092-1 Flange Supplier

EN 1092-1 is a European standard for flanges, which are essential components in piping systems used to connect pipes, valves, and other equipment. This standard, titled “Flanges and their joints – Circular flanges for pipes, valves, fittings, and accessories, PN designated,” provides specifications for circular flanges used in a wide range of industries, including oil and gas, petrochemical, water supply, and more.

Key features of EN 1092-1 Flanges:
1. PN Designation: EN 1092-1 flanges are classified based on their nominal pressure (PN) ratings, which indicate the flange’s maximum allowable pressure at a specified temperature. Common PN ratings include PN6, PN10, PN16, PN25, PN40, and PN63, with higher numbers representing higher pressure capabilities.

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2. Material Compatibility: The standard covers various materials for flange construction, such as carbon steel, stainless steel, alloy steel, and non-ferrous materials. Choosing the appropriate material is crucial to ensure compatibility with the fluid being conveyed and the operating conditions.

3. Flange Types: EN 1092-1 defines different flange types, including welding neck, slip-on, threaded, blind, and socket weld flanges. Each type serves specific purposes and is used in different applications.

4. Flange Facings: The standard specifies various flange facing types, such as raised face, flat face, and ring-type joint (RTJ) facing. The facing type must match the gasket type and seating surface requirements to ensure a leak-free connection.

5. Dimensions and Tolerances: EN 1092-1 provides detailed dimensional specifications and tolerances for flanges to ensure compatibility and proper alignment during assembly. This includes bolt hole patterns, flange outer diameter, and thickness.

6. Gaskets and Bolts: Flanges must be used in conjunction with compatible gaskets and bolts. The standard does not cover gaskets and bolts, but they are essential components for creating a secure and leak-free joint.

7. Flange Marking: Flanges manufactured according to EN 1092-1 should be clearly marked with essential information, including the manufacturer’s name or trademark, PN rating, material grade, and size.

8. Pressure-Temperature Ratings: The standard provides tables that specify the allowable pressure-temperature ratings for different flange materials and PN ratings, ensuring the safe operation of the flanged connections.

EN 1092-1 flanges are widely used in Europe and other regions that adopt European standards. They play a critical role in maintaining the integrity and safety of piping systems by facilitating the easy assembly and disassembly of pipes, valves, and other equipment. Engineers and professionals in various industries rely on EN 1092-1 to ensure the correct selection and installation of flanges in their applications, thereby reducing the risk of leaks and accidents.

EN 1092 1 PN25 Flange Specification

Flange Size Range ½” (15 NB) to 48″ (1200NB), DN10 to DN3000
Flange Type UNI Standard Flanges
Flange Face Types Flat Face Flange (FF), Raised Face Flange (RF), Ring Joint Flange (RTJ), Lap Joint Flange, Male and Female Flange (M&F), Large and Small Tongue-and-Groove Flange (T&G)
Main Types Forged / Threaded / Screwed / Plate
Class / Pressure 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.
Connection Type Ring Type Joint, Lap-Joint Face, Raised Face, Flat Face, Large Male-Female, Small Male-Female, Large
In Form SORF, WNRF, BLRF, SWRF, LAP Joint, Threaded, Reducing, Spectacle, etc
Usage Oil Field, Offshore, Water System, Shipbuilding, Natural Gas, Electric Power, Pipe Projects etc.
EN 1092-1 Flange
STOCKIST & SUPPILERS FOR EN 1092-1 Flanges IN INDIA, CUSTOM SIZES EN 1092-1 SORF, WNRF, Blind Flanges AS PER CLIENT REQUIREMENT

Ready Stock Of EN 1092-1 Flanges

  • EN 1092-1 Tongue & Groove Flanges
  • EN 1092-1 Slip On Flange
  • EN 1092 1 PN10 Blind Flange
  • EN 1092-1 Weld Neck Flange
  • EN 1092-1 Socket Weld Flange
  • EN 1092 1 PN40 RTJ Flange
  • EN 1092 1 Flange Dimensions
  • Stainless Steel EN 1092-1 Flanges
  • SS EN 1092 1 Reducing Flanges
  • EN 1092-1 SORTJ Flange
  • Duplex Steel EN 1092 1 Long Weld Neck Flanges
  • Super Duplex Steel EN 1092-1 Ring Type Joint Flanges
  • Inconel EN 1092 1 PN25 DIN Flanges
  • Brass EN 1092-1 Spectacle Blind Flanges
  • Monel EN 1092 1 Spacer Ring Flanges
  • EN 1092-1 TYPE 01 PN16 Flanges
  • EN 1092-1 TYPE 11 Pipe Flange
  • Duplex Stainless Steel EN 1092-1 Flat Face Flange
  • EN 1092-1 Square Flanges
  • Alloy Steel EN 1092 1 Raised Face Flanges
  • Nickel Alloy EN 1092-1 Orifice Flange
  • EN 1092-1 Steel Flanges
  • Chrome Moly Steel EN 1092-1 Flange
  • EN 1092 1 Large Diameter Flange
  • EN 1092-1 Industrial Flange
  • Alloy 20 EN 1092-1 TYPE 11 Flange
  • EN 1092-1 Forged Flanges
  • EN 1092 1 Slip On Flat Face Flanges
  • EN 1092 1 Screwed Flanges
  • Aluminium Bronze EN 1092-1 BLRTJ Flanges
  • Tin Bronze EN 1092 1 PN16 Nipoflange
  • Phosphor Bronze EN 1092-1 NPT Threaded Flanges
  • Carbon Steel EN 1092 1 Female Flanges
  • CS EN 1092-1 Plate Flange
  • Hastelloy EN 1092 1 PN10 Flangeolet
  • Titanium EN 1092-1 Paddle Blank and Spacer
  • AS EN 1092 1 PN25 SORF Flanges
  • SMO 254 EN 1092-1 Blind Flange
  • Super Duplex Stainless Steel EN 1092 1 Exhaust Flanges
  • EN 1092-1 Type 01 pn10 SWRTJ Flanges
  • EN 1092-1 Custom Flanges
  • Copper Nickel EN 1092 1 Lap Joint Flanges

EN 1092 1 Flanges Dimension

Standard Class Diameter Bolt Circle Diameter Number of Bolts Bolt Size Diameter of Bolt Hole
AS4087 PN14 95 67 4 M12 14
AS 2129 Flanges Table C 95 67 4 13 14
Table D 95 67 4 13 14
Table E 95 67 4 13 14
Table F 95 67 4 13 14
Table H 114 83 4 16 17
Table J 114 83 4 16 17
ANSI B16.5 ANSI 150 89 60 4 13 16
ANSI 300 95 67 4 13 16
ANSI 600 95 67 4 13 16
ANSI 900 121 83 4 19 22
ANSI 1500 121 83 4 19 22
ISO 7005 (DIN) Flanges PN6 80 55 4 M10 11
PN10 95 65 4 M12 14
PN16 95 65 4 M12 14
PN20 90 60.5 4 M14 16
PN25 95 65 4 M12 14
PN40 95 65 4 M12 14

Size Chart of EN 1092-1 Flanges

Nominal Pipe Size Outside Diameter of Flanges Thickness of Flanges Diameter of Raised Face Diameter of Hub at Base Length Thru Hub Diameter or Bore Diameter of Hub at Bevel Radius of Fillet Depth of Socket
Welding Neck Slip-On Threaded Socket Lap Joint Slip-on Socket Lap Joint
O Q R X Y Y Y W B H r Z
1/2 3-1/2 7/16 1-3/8 1-3/16 1-7/8 5/8 5/8 .88 .90 .84 1/8 3/8
3/4 3-7/8 1/2 1-11/16 1-1/2 2-1/16 5/8 5/8 1.09 1.11 1.05 1/8 7/16
1 4-1/4 9/16 2 1-15/16 2-3/16 11/16 11/16 1.36 1.38 1.32 1/8 1/2
1-1/4 4-5/8 5/8 2-1/2 2-5/16 2-1/4 13/16 13/16 1.70 1.72 1.66 3/16 9/16
1-1/2 5 11/16 2-7/8 2-9/16 2-7/16 7/8 7/8 1.95 1.97 1.90 1/4 5/8
2 6 3/4 3-5/8 3-1/16 2-1/2 1 1 2.44 2.46 2.38 5/16 11/16
2-1/2 7 7/8 4-1/8 3-9/16 2-3/4 1-1/8 1-1/8 2.94 2.97 2.88 5/16 3/4
3 7-1/2 15/16 5 4-1/4 2-3/4 1-3/16 1-3/16 3.57 3.60 3.50 3/8 13/16
3-1/2 8-1/2 15/16 5-1/2 4-13/16 2-13/16 1-1/4 1-1/4 4.07 4.10 4.00 3/8 7/8
4 9 15/16 6-3/16 5-5/16 3 1-5/16 1-5/16 4.57 4.60 4.50 7/16 15/16
5 10 15/16 7.5/16 6-7/16 3-1/2 1-7/16 1-7/16 5.66 5.69 5.56 7/16 15/16
6 11 1 8-1/2 7-9/16 3-1/2 1-9/16 1-9/16 6.72 6.75 6.63 1/2 1-1/16
8 13-1/2 1-1/8 10-5/8 9-11/16 4 1-3/4 1-3/4 8.72 8.75 8.63 1/2 1-1/4
10 16 1-3/16 12-3/4 12 4 1-15/16 1-15/16 10.88 10.92 10.75 1/2 1-5/16
12 19 1-1/4 15 14-3/8 4-1/2 2-3/16 2-3/16 12.88 12.92 12.75 1/2 1-9/16
14 21 1-3/8 16-1/4 15-3/4 5 2-1/4 3-1/8 14.14 14.18 14.00 1/2 1-5/8
16 23-1/2 1-7/16 18-1/2 18 5 2-1/2 3-7/16 16.16 16.19 16.00 1/2 1-3/4
18 25 1-9/16 21 19-7/8 5-1/2 2-11/16 3-13/16 18.18 18.20 18.00 1/2 1-15/16
20 27-1/2 1-11/16 23 22 5-11/16 2-7/8 4-1/16 20.20 20.25 20.00 1/2 2-1/8
24 32 1-7/8 27-1/4 26-1/8 6 3-1/4 4-3/8 24.25 24.25 24.00 1/2 2-1/2

Weight Chart of EN 1092 1 Flanges

Pipe Normal Diam. O.D. Flange Thk. Of Flange Min Diam.
of
Hub
Diameter of Raised Face Length Hub.Y Thread Length Diam.
of Bolt
Circle
Diam.
of Bolt
Holes
Number
of Bolts
Diam. of
Bolts
(inch)
KG LB
inch dn O C X G Y T BC BH BN BD
1/2″ 15 89.00 11.20 30.20 35.10 15.70 15.70 60.50 15.80 4 1/2″ 0.4 0.9
3/4″ 20 98.50 12.70 38.10 42.90 15.70 15.70 69.90 15.80 4 1/2″ 0.7 1.5
1″ 25 108.00 14.20 49.30 50.80 17.50 17.50 79.30 15.80 4 1/2″ 0.8 1.8
1-1/4″ 32 117.50 15.70 58.70 63.50 20.60 20.60 88.90 15.80 4 1/2″ 1.2 2.6
1-1/2″ 40 127.00 17.50 65.00 73.20 22.40 22.40 98.60 15.80 4 1/2″ 1.5 3.3
2″ 50 152.50 19.10 77.70 91.90 25.40 25.40 120.70 19.10 4 5/8″ 2.3 5.1
2-1/2″ 65 178.00 22.40 90.40 104.60 28.40 28.40 139.70 19.10 4 5/8″ 3.7 8.1
3″ 80 190.50 23.90 108.00 127.00 30.20 30.20 152.40 19.10 4 5/8″ 4.1 9
3-1/2″ 90 216.00 23.90 122.20 139.70 31.80 31.80 177.80 19.10 8 5/8″ 5.1 11.2
4″ 100 228.50 23.90 134.90 157.20 33.30 33.30 190.50 19.10 8 5/8″ 5.9 13
5″ 125 254.00 23.90 163.60 185.70 36.60 36.60 215.90 22.40 8 3/4″ 7 15.4
6″ 150 279.50 25.40 192.00 215.90 39.60 39.60 241.30 22.40 8 3/4″ 8.4 18.5
8″ 200 343.00 28.40 246.10 269.70 44.50 44.50 298.50 22.40 8 3/4″ 13 28.6
10″ 250 406.50 30.20 304.80 323.90 49.30 49.30 362.00 25.40 12 7/8″ 18 39.5
12″ 300 482.50 31.80 365.30 381.00 55.60 55.60 431.80 25.40 12 7/8″ 29 64
14″ 350 533.50 35.10 400.10 412.80 57.20 57.20 476.30 28.50 12 1″ 39 86
16″ 400 597.00 36.60 457.20 469.90 63.50 63.50 539.80 28.50 16 1″ 47 103
18″ 450 635.00 39.60 505.00 533.40 68.30 68.30 577.90 31.80 16 1 1/8″ 57 126
20″ 500 698.50 42.90 558.80 584.20 73.20 73.20 635.00 31.80 20 1 1/8″ 76 167
24″ 600 813.00 47.80 663.40 692.20 82.60 82.60 749.30 35.10 20 1 1/4″ 97 214

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