Standard

Type

Class

Size

ASME B16.5 

 WN/LWN/SO/Blind/Lap Joint

150#-2500#

1/2"-24"(Except Blind Flange 2500lb 1/2"-12")

SW flange

150#-1500#

1/2"-3"(Except 1500# 1/2"-2 1/2")

Threaded

150#-900#

1/2"-24"

1500# 2500#

1/2"-2 1/2"

ASME B16.47 Series A

WN/blind flange

150# -900#

22"-48"(Except 900# Size:26"-48")

ASME B16.47 Series B

WN/blind flange

75#-300#

26"-48"

400# 600# 900#

26"-36"

DIN2527

Blind flange

PN6-PN100

DN10-DN1000

DIN2543

SO flange

PN16

DN10-DN1000

DIN2544

SO flange

PN25

DN10-DN1000

DIN2545

SO flange

PN40

DN10-DN500

DIN2565

Threaded flange with Neck

PN6

DN6-DN200

DIN2566

Threaded flange with Neck

PN16

DN6-DN150

DIN2567

Threaded flange with Neck

PN25 PN40

DN6-DN150

DIN2568

Threaded flange with Neck

PN64

DN10-DN150

DIN2569

Threaded flange with Neck

PN100

DN10-DN150

EN1092-1:2002

Plate flange for welding/loose plate flange with weld-on plate collar or for lapped pipe end/Blind Flange/WN flange

PN2.5-PN100

DN10-DN4000

JIS B2220

Welding flange, lap joint flange, threaded flange

PN6-PN100

DN10-DN1500

BS4504 BS10 TableD/E

Plate Flange for welding/WN flange/blank Flange

PN6-PN100

DN10-DN1500

Other Products

Anchor/swivel/girth/lap joint/reducing/orifice

Spectacle blind/paddle blind/spacer ring/orifice plate/bleed ring

Special Products: rings/forgings/disc/shaft sleeves

Sealing Surface

RF FF RTJ TF GF LF LM

Flange Face Finish

Stock finish/spiral serrated/concentric serrated/smooth finish(Ra 3.2 and 6.3 micrometers)

125-250 AARH(it is called smooth finish)

250-500 AARH(it is called stock finish)

Coating

Vanish, yellow paint, anti-rust oil, galvanizing etc

Material Grade

Nickel Alloy Steel

ASTM/ASME B/SB564 UNS N02200(NICKEL 200), UNS N04400(MONEL 400),

UNS N08825( INCOLOY 825), UNS N06600(INCONEL 600),

UNS N06601(INCONEL 601), UNS N06625(INCONEL 625), UNS N10276(HASTELLOY C276),

ASTM/ASME B/SB160 UNS N02201(NICKEL 201), ASTM B/SB472 UNS N08020(Alloy 20)

Copper Alloy

ASTM/ASME B/SB151 UNS C70600(CuNi 90/10), C71500(CuNi 70/30)

Stainless Steel

ASTM/ASME A/SA182 F304,304L,304H,309H,310H,316,316H,316L,316LN,

317,317L,321,321H,347,347H

Duplex and Super Duplex Steel

ASTM/ASME A/SA182 F44,F45,F51,F53,F55,F60,F61

Carbon steel

ASTM /ASME A/SA105(N)

Low Temp Carbon Steel

ASTM/ASME A/SA350 LF2

High Yield Carbon Steel

ASTM/ASME A/SA694 F52, F56 F60, F65, F70

Alloy Steel

ASTM/ASME A/SA182 GR F5,F9, F11,F12,F22,F91

Titanium

ASTM/ASME B/SB381 Grade 2, Grade 5, Grade 7