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2024-07-28 作者:

Table 6: STEEL BACKING FLANGES

AS 4087 - Figure B7

PN16

NominalPipe OD15355n/a0710n/a8009001000

FlangeSize000

OD11751255

ID338376n/a5740n/a8439471050

Minimum

PCD

Thickness

6566666

0921175

Bolt Hole

Bolt Size

No. x Dia.4X184X184X184X188X188X188X188X2212X2212X2612X2612X2612X2616X2616X3020X3020X3320X3624X3624X36

M16M16M16M16M16M16M16M20M20M24M24M24M24M24M27M27M30M33M33M33

Note: This table has bolting compatibility with AS 2129 Table D flanges.

As per ISO 9624: "The inside diameter of the loose backing flange shall conform tothe design of the flange adaptor. In some applications, values of the inside diameterof the loose backing flange differing from those given in the tables may be used."

Maryland Metrics: Technical Data Chart copyright 2006 maryland metrics

Table 7: STEEL BACKING FLANGES

AS 4087 - Figure B8

PN21

NominalPipe OD15355n/a0710n/a8009001000

FlangeSize000

OD011851275

ID338376n/a5740n/a8439471050

Minimum

PCD

Thickness

8686878

1051194

Bolt Hole

Bolt Size

No. x Dia.4X188X188X188X1812X2212X2212X2612X2616X2616X3016X3020X3020X3324X3324X3624X3628X3628X3632X3936X39

M16M16M16M16M20M20M24M24M24M27M27M27M30M30M33M33M33M33M36M36

Note: This table has bolting compatibility with AS 2129 Table F & H flanges.

As per ISO 9624: "The inside diameter of the loose backing flange shall conform tothe design of the flange adaptor. In some applications, values of the inside diameterof the loose backing flange differing from those given in the tables may be used."

Maryland Metrics: Technical Data Chart copyright 2006 maryland metrics

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