Standard

Flange standard series
  • ANSI - American National Standards Institute 
  • BS - British Standards 
  • DIN - Deutsches Institut für Normung
  • ASME Flange, ASME Forged Flange
  • EN flange, EN flanges
  • AWWA- American Water Works Association

AWWA flanges AWWA - American Water Works Association
Since the first edition of the AWWA Standard C207 was printed in 1952, AWWA flanges have commonly been used in waterworks, wastewater, slurry, plant piping, and other light duty applications. Pressure ratings for AWWA flanges range from the Class B flange rated at 86 psi to the Class F flange rated at 300 psi. The AWWA C207-01 standard describes two types of slip-on flanges, ring type and hub type that may be used interchangeably if the dimensions given in the standard are used. The standard also describes blind flanges. Flanges described in the AWWA C207-01 tables are intended for use with steel pipe, fittings or appurtenances meeting the requirements of ANSI/AWWA C200, ANSI/AWWA C208, ASTM A134, ASTM 139, or other equivalent standards. It is further intended that these flanges be attached by welding in accordance with AWWA C207-01 Sec.4.3. 


AWWA - American Water Works Association




BS flanges
BS flange is a flange system from England, which have flange type including Welding neck Flanges, Plate Slip-on Flanges, Screwed Boss Flanges, Slip on Boss Flanges, Blind Flanges etc., pressure grade from PN 2.4 to PN 40, Size from 1/2" NB TO 48"NB
  • BS 3293 Class 150 SO
  • BS 3293 Class 300 SO
  • BS 3293 Class 600 SO
  • BS 3293 Class 150 WN
  • BS 3293 Class 300 WN
  • BS 3293 Class 600 WN
Forged Steel Flanges ,Casting Steel Flanges :
BS 4504 SEC 3.1 : WELDING NECK FLANGE(111/134), HUBBED SLIPON FLANGE(112) ,HUBBED THREADED FLANGE(113), LAPPED PIPE END FLANGE(133), PLATE FLANGE(101),LOOSE PLATE FLANGE(102), LOOSE PLATE WITH WELD-NECK FLANGE(104),BLANK FLANGE(105)
Pressure Class : PN2.5 TO PN 40

BS 4504(PART-1) : WELDING NECK FLANGE, HUBBED SLIP-ON HUBBED THREADED, PLATE FLANGE, LOOSE PLATE WITH WELD ON PLATE COLLAR, BLANK FLANGE Pressure Class : PN2.5 TO PN 400
BS1560 : WELDING NECK FLANGE, SOCKET WELDING FLANGE, SLIP-ON BOSS FLANGE, BLIND FLANGE, SCREWED BOSS FLANGE, LAPPED FLANGE.
Pressure Class : 150 , 300 , 400 , 600 , 900, 1500 , 2500
BS 10 : WELDING NECK FLANGE, PLATE SLIP-ON FLANGE, SCREWED BOSS FLANGE, SLIPON BOSS FLANGE,BLIND FLANGE
Table: D, E, F, H

Material:
ASTM A105; ASTM A350, A694 F42/F46/F52/F60/F65
ASTM A182 F304/304L,F316/316L, F321, F310,
ASTM A 182 F51/F53/F55
Size:1/2"-48"
DIN flanges
DIN Flange Manufacturer antong supplies DIN flanges, DIN forged Flange, DIN Flanges in forged steel, Stainless Steel, Carbon steel C22.8, RST37.2, S235JR, P235GH, P245GH, P250GH, ASTM A105, ASTM A182 F304 (1.4306), F304L(1.4307), F316(1.4404), F316L(1.4404), F321(1.4541) etc..
  • DIN 2527 PN16
  • DIN 86029 PN 10
  • DIN 2630 PN 1, 2.5
  • DIN 2631 PN 6
  • DIN 2632 PN 10
  • DIN 2633 PN 16
  • DIN 2635 PN 40
Forged Steel Flanges ,Casting Steel Flanges :
Material:
Carbon Steel: DIN 17175: ST35.8,ST45.8, ST37.2,ST37, DIN 17173: ST35N
Stainless Steel: W.Nr 1.4301, W.Nr 1.4306, W.Nr 1.4401, W.Nr 1.4404, W.Nr 1.4541
Duplex Stainless Steel: W.Nr 1.4362, W.Nr1.4417, W.Nr1.4462, W.Nr1.4460, W.Nr1.4501, W.Nr1.4410, W.Nr 1.4507
ANSI Flanges
ANSI flange(American National Standards Institute) include ANSI B 16.5, ANSI B 16.47 series A SP44, Series B, ANSI 16.36 etc., this standard system include slip on flange, blind flange, welded neck flange, threaded flange, lapped joint flange(loose flange), socket welded flange, Orifice Flanges, long weld neck flange and special flange, sizes from 1/2 inch to 60 inch, class 150, class 300, class 600, class 900, class 1500, class 2500.

Forged Steel Flanges ,Casting Steel Flanges :
ASME/ANSI B16.5 : WELDING NECK FLANGE, SLIP-ON FLANGE, BLIND FLANGE,HIGH HUB BLIND FLANGE, SOCKET WELD FLANGE.LAPJOINT FLANGE, THREADED FLANGE. RING TYPE JOINT FLANGE.
Pressure Class : 150, 300, 400 , 600 , 900, 1500 , 2500

ASME/ANSI B16.47 : WELDING NECK FLANGE, BLIND FLANGE. (SERIES A & B)
Pressure Class : 75, 150, 300, 400 , 600 , 900
ASME/ANSI B16.36 : (ORIFICE FLANGES) WELDING NECK FLANGE, SLIPON FLANGE, THREADED FLANGE.
Pressure Class : 300, 400 , 600 , 900, 1500 , 2500
ASTM/ANSI B16.48:( Figure-8 blanks)
Pressure Class : 150, 300, 400 , 600 , 900,1500, 2500
MSS SP44 : WELDING NECK FLANGE, BLIND FLANGE.
Pressure Class :300, 400 , 600 , 900
API 6A : WELDING NECK FLANGE, THREAD FLANGE,BLIND FLANGE. 
Pressure : 2000Psi, 3000Psi, 5000Psi, 10000Psi, 15000Psi, 20000Psi, 25000Psi

Material:
ASTM A105; ASTM A350, A694 F42/F46/F52/F60/F65
ASTM A182 F304/304L,F316/316L, F321, F310,
ASTM A 182 F51/F53/F55
Size:1/2"-48"

EN flange, EN flanges

EN Flange Manufacturer an-tong supplies EN flanges according to EN 1092-1:2001, EN flanges in forged steel, Stainless Steel, Carbon steel etc. include type of Loose Plate Flanges, Blank Flanges,Weld-neck Flanges etc.

EN flange is a flange system from England, which have flange type including TYPE1(Plate Flanges); TYPE2(Losses Plate Flanges); TYPE5(Blank Flanges); TYPE11(Weld-neck Flanges); TYPE12(Hubbed Slip-on Flanges For Welding); TYPE13(Hubbed Threaded Flanges)etc., pressure grade have PN2.5 PN6 PN10 PN16 PN25 PN40 PN63 PN100, Size from 1/2" NB TO 48"NB

ASME Flange, ASME Forged Flange

ASME Flange include ASME B 16.5, ASME B 16.47 series A SP44, Series B, ASME 16.36 etc., this standard system include slip on flange, blind flange, welded neck flange, threaded flange, lapped joint flange(loose flange), socket welded flange, Orifice Flanges, long weld neck flange and special flange, sizes from 1/2 inch to 60 inch, class 150, class 300, class 600, class 900, class 1500, class 2500.
Type: slip on flange, blind flange, welded neck flange, threaded flange, lapped joint flange(loose flange), socket welded flange, Orifice Flanges, long welded neck flange
Material: Carbon steel: A105,SS400,SF440 RST37.2,S235JRG2,P250GH,C22.8, Stainless Steel: F304 F304L F316 F316L 316Ti, Copper etc.
Standard: ANSI,JIS,DIN,BS4504,SABS1123,EN1092-1, UNI,AS2129,GOST-12820
Size: 1/2-60 inch (DN15-DN2000)
Pressure: ANSI class 150,300,600,1500,2500,
Packing: No Fumigate or Fumigate Plywood/Wood Pallet or Case
Surface Treatment: Anti-rust Oil, Transparent/Yellow/Black Anti-rust Paint,Zinc,Hot dipped Galvanized.
E-catalogue: Available , please visit catalogue of flange


Usage: Oil Field, Offshore, Water System, Shipbuilding, Natural Gas, Electric Power, Pipe Projects etc.
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Flanges General

Flanges General
A flange is a method of connecting pipes, valves, pumps and other equipment to form a piping system.

Pipe fitting

Pipe fitting
Pipe fitting is work that involves the installation or repair of pipes or tubes. Pipes and tubes are necessary for a wide range of reasons.

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