Reference Standards
American Standard Series
ASME/ANSI B16.5 Class 150 BL
ASME/ANSI B16.5 Class 300 BL
ASME/ANSI B16.5 Class 600 BL
ASME/ANSI B16.5 Class 900 BL
ASME/ANSI B16.5 Class 1500 BL
ASME/ANSI B16.5 Class 2500 BL
ASME B16.47 Series A/MSS SP-44 Class 150 BL
ASME B16.47 Series A/MSS SP-44 Class 300 BL
ASME B16.47 Series A/MSS SP-44 Class 600 BL
ASME B16.47 Series A/MSS SP-44 Class 900 BL
ASME B16.47 Series B/API 605 Class 75 BL
ASME B16.47 Series B/API 605 Class 150 BL
ASME B16.47 Series B/API 605 Class 300 BL
ASME B16.47 Series B/API 605 Class 600 BL
ASME B16.47 Series B/API 605 Class 900 BL
ASME B16.48 Class 150
ASME B16.48 Class 300
ASME B16.48 Class 600
ASME B16.48 Class 900
ASME B16.48 Class 1500
ASME B16.48 Class 2500
ASME/ANSI B16.5 Class 150 LJ
ASME/ANSI B16.5 Class 300 LJ
ASME/ANSI B16.5 Class 600 LJ
ASME/ANSI B16.5 Class 900 LJ
ASME/ANSI B16.5 Class 1500 LJ
ASME/ANSI B16.5 Class 2500 LJ
ASME B16.36 Class 300, Welding Neck, Slip-On and Threaded
ASME B16.36 Orifice Flanges Class 400, Welding Neck2
ASME B16.36 Orifice Flanges Class 600, Welding Neck2,3
ASME B16.36 Orifice Flanges Class 900, Welding Neck2
ASME B16.36 Orifice Flanges Class 1500, Welding Neck2
ASME B16.36 Orifice Flanges Class 2500, Welding Neck2
Ring Joint Facings ASME/ANSI B16.5 & B16.47-1
Ring Joint Facings ASME/ANSI B16.5 & B16.47-2
Ring Joint Facings ASME/ANSI B16.5 & B16.47-3
Ring Joint Facings ASME/ANSI B16.5 & B16.47-4
ASME/ANSI B16.5 Class 150 SW
ASME/ANSI B16.5 Class 300 SW
ASME/ANSI B16.5 Class 600 SW
ASME/ANSI B16.5 Class 1500 SW
ASME/ANSI B16.5 Class 150 SO
ASME/ANSI B16.5 Class 300 SO
ASME/ANSI B16.5 Class 600 SO
ASME/ANSI B16.5 Class 900 SO
ASME/ANSI B16.5 Class 150 WN
ASME/ANSI B16.5 Class 300 WN
ASME/ANSI B16.5 Class 600 WN
ASME/ANSI B16.5 Class 900 WN
ASME/ANSI B16.5 Class 1500 WN
ASME/ANSI B16.5 Class 2500 WN
ASME B16.47 Series A/MSS SP-44 Class 150 WN
ASME B16.47 Series A/MSS SP-44 Class 300 WN
ASME B16.47 Series A/MSS SP-44 Class 600 WN
ASME B16.47 Series A/MSS SP-44 Class 900 WN
ASME B16.47 Series B/API 605 Class 75 WN
ASME B16.47 Series B/API 605 Class 150 WN
ASME B16.47 Series B/API 605 Class 300 WN
ASME B16.47 Series B/API 605 Class 600 WN
ASME B16.47 Series B/API 605 Class 900 WN
ANSI/AWWA C207-07, AWWA Standard for Steel Pipe Flanges for Waterworks Service-Sizes 4 In. Through 144 In. (100 mm Through 3,600 mm)
AWWA C207 Class B-Ring and Blind Flanges
AWWA C207 Class B-Hub and Blind Flanges
AWWA C207 Class D-Ring and Blind Flanges
AWWA C207 Class D-Hub and Blind Flanges
AWWA C207 Class E-Ring and Blind Flanges
AWWA C207 Class E-Hub and Blind Flanges
AWWA C207 Class F-Ring and Blind Flanges
BS Standards
BS 10:1962 Specification for Flanges and Bolting for Pipes, Valves and Fittings (covering plain, boss, integrally cast or forged, and welding neck type flanges).
BS 1560 : 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 4504(ISO 7005-1: 1992 (E) Specification for Steel Flanges (pressure ranges PN 2.5 to PN 40 and nominal sizes up to DN 4000)
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
DIN Flanges
DIN Flange Standards:
DIN 2527 Blind flange - PN6-PN 100
DIN 2576 Flat flange for welding - PN 10
DIN 2642 Lapped flange - PN 10
DIN 2655 Lapped flange - PN 25
DIN 2656 Lapped flange - PN 40
DIN 2641 Lapped flange - PN 6
DIN 2673 Lose flange and ring with neck for welding - PN 10
DIN 2561 Oval flange, with neck threaded - PN 10 and PN 16
DIN 2558 Oval flange, with neck threaded - PN 6
DIN 2566 Threaded flange with neck - PN 10 and PN 16
DIN 2630 Welding neck flange - PN 1 and PN 2.5
DIN 2632 Welding neck flange - PN 10
DIN 2637 Welding neck flange - PN 100
DIN 2633 Welding neck flange - PN 16
DIN 2638 Welding neck flange - PN 160
DIN 2634 Welding neck flange - PN 25
DIN 2628 Welding neck flange - PN 250
DIN 2629 Welding neck flange - PN 320
DIN 2635 Welding neck flange - PN 40
DIN 2627 Welding neck flange - PN 400
DIN 2573 Welding neck flange - PN 6
DIN 2636 Welding neck flange - PN 64
DIN 2631 Welding neck flange - PN6
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
API Standards
API 605 Large-diameter Carbon Steel Flanges (nominal Pipe Sizes 26 Through 60; Classes 75, 150, 300, 400, 600 And 900)
MSS Standards
MSS SP-9 standard for spot facing flanges.
MSS SP-44 standard for steel pipeline flanges.
MSS SP-60 standard for connecting flange joint.
AS Standards
AS4087-2004 Metallic flanges for waterworks purposes
AS2129 Flanges for Pipes, Valves and Fittings
AWWA Standards
AWWA C207 Steel Pipe Flanges for Waterworks Service--Sizes 4 In. Through 144 In. (100 mm Through 3600 mm).
EN1092-1 Standards
EN1092-1 Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories.
GOST Standards
12820-80 Russian pipe flanges standard for flat type.
12821-80 Russian pipe flanges standard for weld neck type.
ISO 15590-3:2004 Petroleum and natural gas industries -- Induction bends, fittings and flanges for pipeline transportation systems -- Part 3: Flanges
JIS Standards
B2220 Steel Welding Pipe Flanges.
KS Standards
B1503 Steel Welding Pipe Flanges.
SABS/SANS Standards
SANS-1123 South African pipe flanges standard.
TOTAL Standards
TOTAL GS EP PLR 222 Carbon steel flanges and branch outlet fittings and forged
components for pipelines (sweet service)
TOTAL GS EP PLR 223 Carbon steel tees for pipelines (sweet service)
UNI Standards
UNI 2276-67 Flat Flange.
UNI 2277-67 Flat Flange.
UNI 2278-67 Flat Flange.
UNI 6083-67 Flat Flange.
UNI 6084-67 Flat Flange.
UNI 6088-67 Lap Joint Flange, Loose Flange.
UNI 6089-67 Lap Joint Flange, Loose Flange.
UNI 6090-67 Lap Joint Flange, Loose Flange.
UNI 2299-67 Lap Joint Flange, Loose Flange.
UNI 2300-67 Lap Joint Flange, Loose Flange.
UNI2280-67 Weld Neck Flange.
UNI2281-67 Weld Neck Flange.
UNI2282-67 Weld Neck Flange.
UNI2283-67 Weld Neck Flange.
UNI2284-67 Weld Neck Flange.
UNI2285-67 Weld Neck Flange.
UNI2286-67 Weld Neck Flange.
UNI2253-67 Threaded Neck Flange.
UNI2254-67 Threaded Neck Flange.
UNI6091-67 Blind Flange.
UNI6092-67 Blind Flange.
UNI6093-67 Blind Flange.
UNI6094-67 Blind Flange.
UNI6095-67 Blind Flange.
UNI6096-67 Blind Flange.
UNI6097-67 Blind Flange.
