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Item specifications	Applicable standard, dimensions, pressure rating, material and quantity
Attachments	Drawings, product photos, item list or request for quotation
General requirements	Preferred delivery date, inspection and test report requirements

TECHNICAL RESOURCES

KS and JIS flange dimensions

View 5K, 10K, 16K, 20K, 30K, 40K and 63K flange drawings, dimensions, facing details, tolerances and bore comparisons.

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CLASS 5K FLANGES

CLASS 5K FLANGES · Download dimension sheet

CLASS 10K FLANGES

CLASS 10K FLANGES · Download dimension sheet

KS / JIS 10K · Plate slip-on (SOP) · Dimensions in mm
Nominal size (A)	Outside diameter D	Bore do	Thickness t	Bolt circle c	Bolt holes (qty)	Hole diameter h
10	90	17.8	12	65	4	15
15	95	22.2	12	70	4	15
20	100	27.7	14	75	4	15
25	125	34.5	14	90	4	19
32	135	43.2	16	100	4	19
40	140	49.1	16	105	4	19
50	155	61.1	16	120	4	19
65	175	77.1	18	140	4	19
80	185	90	18	150	8	19
90	195	102.6	18	160	8	19
100	210	115.4	18	175	8	19
125	250	141.2	20	210	8	23
150	280	166.6	22	240	8	23
175	305	192.1	22	265	12	23
200	330	218	22	290	12	23
225	350	243.7	22	310	12	23
250	400	269.5	24	355	12	25
300	445	321	24	400	16	25
350	490	358.1	26	445	16	25
400	560	409	28	510	16	27
450	620	460	30	565	20	27
500	675	511	30	620	20	27
550	745	562	32	680	20	33
600	795	613	32	730	24	33
650	845	664	34	780	24	33
700	905	715	34	840	24	33
750	970	766	36	900	24	33
800	1020	817	36	950	28	33
850	1070	868	36	1000	28	33
900	1120	919	38	1050	28	33
1000	1235	1021	40	1160	28	39
1100	1345	1122	42	1270	28	39
1200	1465	1224	44	1380	32	39
1350	1630	1376	48	1540	36	45
1500	1795	1529	50	1700	40	45

TAEWON FLANGE online catalogue · KS / JIS 10K, sheets 1–2. Editions shown: JIS B 2220:2004 and KS B 1503:2007.

Check the standard and edition shown in the document. Tell us the nominal size, pressure rating, material and quantity so we can confirm the applicable specifications and availability.

QUALITY POLICY

Quality policy

Three principles guide how we manufacture and supply flanges.

Customer requirements

We review customer requirements for each product and use feedback to improve work on the shop floor.

Continuous quality improvement

We use problems identified during production to improve our working methods and quality management system.

Compliance with standards

We base our quality checks on the applicable product standards and the drawings specified by the customer.

Quality and product certifications

ISO 9001 quality management system · KS B 1506 flange product certification · KC hygiene and safety standards

View certificates →

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02 · ITEMS

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03 · FILES & REQUESTS

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No.	Standard	Pressure rating	Flange type	Facing	Size	SCH	Material	Origin	Quantity	Notes / requests

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Industrial connections start with a flange.

Flange manufacturer and distributor TAEWON FLANGE

Products

Flange dimension tables

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Products

Details to include in your quote request

KS and JIS flange dimensions

CLASS 5K FLANGES

CLASS 10K FLANGES

CLASS 16K FLANGES

CLASS 20K FLANGES

CLASS 30K FLANGES

CLASS 40K FLANGES

CLASS 63K FLANGES

FACING 1

FACING 2

TOLERANCE FOR PIPE FLANGES

ANSI / JIS WELDING NECK BORE COMPARISON

Nominal wall thickness (SCH)

We manufacture and supply flanges for industrial facilities.

Welcome to TAEWON FLANGE.

Company profile

Our history

TAEWON FLANGE founded

First forged flange deliveries

Expanded customer base

Incorporation

Added machining equipment

Research and development center

Obtained KS B 1506 certification

Obtained KC certification

Registered as a vendor with BASF Company Ltd. (Korea)

Certificates

KS B 1506

ISO 9001

KC

Factory photos & videos

Machining videos

Finished products

Machining equipment 6 machines

01 DOOSAN VC 510

02 DOOSAN VC 510

03 PUMA GT2100B

04 DOOSAN PUMA V400

05 DOOSAN PUMA V400

06 DOOSAN PUMA TW 2600

Directions

TAEWON FLANGE Co., Ltd.

Please call before visiting.

Quality policy

Customer requirements

Continuous quality improvement

Compliance with standards

Quality and product certifications

Request a quote for multiple items at once.

Who is requesting the quote?

Items to quote 0 items

Drawings and general requirements

Review your quote request

Industrial connections
start with a flange.

Flange manufacturer and distributor
TAEWON FLANGE

Request a quote
for multiple items at once.

We manufacture and supply
flanges for industrial facilities.

Request a quote
for multiple items at once.