Flange Manufacturer in India and ASME B16.5 Flange Dimensions, Types

Flange Review

Sizes: 1/2″ – 48″
Pressure Class: Class 150 to 2500
Custom Size: Yes
Process : Forged and Machined
MTC: EN 10204 3.1 and 3.2

Slip on Flange

Blind Flange

Weld Neck Flange

Table of Content

Available Flanges Ready Stock for immediate Dispatch
Flange Dimensions
ASME B16.5 Flange Dimensions
450 NB Flange Dimensions in MM
Types of Flanges
ANSI B16.5 Class 1500 Flange Dimensions
ASME B16.5 Class 2500 Flange Dimensions
Flange Specification
Pressure Rating of ANSI B16.5 Flange
Industrial Pipe Flange Standards
Companion Flange Applications
Floor Flange Testing
Weight Chart Of ASME B16.5 Flange
How to Choose an Best Flange?

ASME B16.5 Flange Thickness
Flange PCD Measurement Chart
ASME B16.5 Flange Welding Methods
Threads Of Pipe Flange
Flanges Size Chart
ANSI B16.5 Flange Finish
Flanges Tolerance
Companion Flange Face Types
ASME B16.5 Flange Gaskets
DIN Standard for Flange
EN Standard for ASME B16.5 Flange
Class 150 Flanges Markings
Bolt Hole Diameter for Flange

Trusted Supplier Of ASME B16.5 Flange in Mumbai With Different Dimensions, Types and Material

Available Flanges Ready Stock for immediate Dispatch

Flange Dimensions

View Flange Stockist in India who offers Appropriate Dimensions at Best price

Flange Type	Standard	Nominal Pipe Size (NPS)	Outer Diameter (OD)	Bolt Circle Diameter (BCD)	Number of Bolts	Bolt Hole Diameter
Slip On	ANSI	3”	7.50”	6.00”	4	0.88”
Weld Neck	ANSI	2”	6.00”	4.75”	4	0.75”
Blind	DIN	4”	9.00”	7.50”	8	0.75”
Lap Joint	JIS	8”	13.50”	11.75”	8	1.00”
Socket Weld	ANSI	6”	11.00”	9.50”	8	0.88”
Raised Face	ANSI	3”	7.50”	6.00”	4	0.88”
Threaded	ANSI	1”	4.50”	3.50”	4	0.50”
Flat Face	ANSI	4”	9.00”	7.50”	8	0.75”

ASME B16.5 Flange Dimensions

Min. Thread Len T	Hub Dia. X	Socket Depth D	Dia. Counter Bore Thd. Q	Dia. Hub at Bevel A
0.62	1.50	0.38	0.93	0.84
0.81	2.50	0.56	1.75	1.66
1.25	3.94	0.75	3.00	2.88
1.25	4.62	0.81	3.63	3.50
1.44	5.75	0.94	4.63	4.50
1.69	7.00	0.94	5.69	5.56
2.00	10.25	1.25	8.75	8.62
2.19	12.62	1.31	10.88	10.75
2.50	16.75	1.62	14.19	14.00
2.69	19.00	1.75	16.19	16.00
2.88	23.12	2.12	20.19	20.00

450 NB Flange Dimensions in MM

Size (Inch)	Outer Dia.	Thick.	Hub ODia	Flange Len	RF Dia.	Weight(kg)
	A	B	C	D	E
3/4	100	11.2	38	14	42.9	0.9
1/2	90	9.6	30	14	34.9	0.8
1 1/4	115	14.3	59	19	63.5	1.4
2 1/2	180	20.7	90	27	104.8	3.2
1	110	12.7	49	16	50.8	0.9
1 1/2	125	15.9	65	21	73	1.4
2	150	17.5	78	24	92.1	2.3
3 1/2	215	22.3	122	30	139.7	5
3	190	22.3	108	29	127	3.7
5	255	22.3	164	35	185.7	6.8
4	230	22.3	135	32	157.2	5.9
6	280	23.9	192	38	215.9	8.6
10	405	28.6	305	48	323.8	19.5
8	345	27	246	43	269.9	13.7

Types of Flanges

Buy variou types of Shapes from Flange Manufacturer in India at Factory Price

Plate Flange

Threaded Flange

Orifice Flanges

Socket Weld Flange

Lapped joint Flange

Forged Flanges

Reducing Flange

Spectacle Blind Flange

Exhaust Flange

Puddle Flange

Stub End Flange

Raised Face Flange

ANSI B16.5 Class 1500 Flange Dimensions

Nominal Size	Outside Diameter (OD)	Min. Thickness (T)	RF Dia. (R)	No. of Bolt Holes	Diameter of Holes	Bolt Circle (BC)	So Bore ID (SB)	Dia. Hub Base (HB)	Dia. Hub Top (HT)	SO LTH (SL)	WN LTH (WL)	* WN Bore ID (WB)
¹⁄₂	4.75	0.88	1.38	4	0.88	3.25	0.88	1.50	0.84	1.25	2.38	*
³⁄₄	5.12	1.00	1.69	4	0.88	3.50	1.09	1.75	1.05	1.38	2.75	*
1	5.88	1.12	2.00	4	1.00	4.00	1.36	2.06	1.32	1.62	2.88	*
1¹⁄₄	6.25	1.12	2.50	4	1.00	4.38	1.70	2.50	1.66	1.62	2.88	*
1¹⁄₂	7.00	1.25	2.88	4	1.12	4.88	1.95	2.75	1.90	1.75	3.25	*
2	8.50	1.50	3.63	8	1.00	6.50	2.44	4.12	2.38	2.25	4.00	*
2¹⁄₂	9.62	1.62	4.13	8	1.12	7.50	2.94	4.88	2.88	2.50	4.12	*
3	10.50	1.88	5.00	8	1.25	8.00	–	5.25	3.50	–	4.62	*
4	12.25	2.12	6.19	8	1.38	9.50	–	6.38	4.50	–	4.88	*
5	14.75	2.88	7.31	8	1.63	11.50	–	7.75	5.56	–	6.12	*
6	15.50	3.25	8.50	12	1.50	12.50	–	9.00	6.63	–	6.75	*
8	19.00	3.62	10.63	12	1.75	15.50	–	11.50	8.63	–	8.38	*
10	23.00	4.25	12.75	12	2.00	19.00	–	14.50	10.75	–	10.00	*
12	26.50	4.88	15.00	16	2.12	22.50	–	17.75	12.75	–	11.12	*
14	29.50	5.25	16.25	16	2.38	25.00	–	19.50	14.00	–	11.75	*
16	32.50	5.75	18.50	16	2.63	27.75	–	21.75	16.00	–	12.25	*
18	36.00	6.38	21.00	16	2.88	30.50	–	23.50	18.00	–	12.88	*
20	38.75	7.00	23.00	16	3.12	32.75	–	25.25	20.00	–	14.00	*
24	46.00	8.00	27.25	16	3.63	39.00	–	30.00	24.00	–	16.00	*

ASME B16.5 Class 2500 Flange Dimensions

Nominal Size	Outside Diameter (OD)	Min. Thickness (T)	RF Dia. (R)	No. of Bolt Holes	Diameter of Holes	Bolt Circle (BC)	Dia. Hub Base (HB)	Dia. Hub Top (HT)	SO LTH (SL)	WN LTH (WL)	* WN Bore ID (WB)
¹⁄₂	5.25	1.19	1.38	4	0.88	3.50	1.69	0.84	1.56	2.88	*
³⁄₄	5.50	1.25	1.69	4	0.88	3.75	2.00	1.05	1.69	3.12	*
1	6.25	1.38	2.00	4	1.00	4.25	2.25	1.32	1.88	3.50	*
1¹⁄₄	7.25	1.50	2.50	4	1.12	5.13	2.88	1.66	2.06	3.75	*
1¹⁄₂	8.00	1.75	2.88	4	1.25	5.75	3.12	1.90	2.38	4.38	*
2	9.25	2.00	3.63	8	1.12	6.75	3.75	2.38	2.75	5.00	*
2¹⁄₂	10.50	2.25	4.13	8	1.25	7.75	4.50	2.88	3.12	5.62	*
3	12.00	2.62	5.00	8	1.38	9.00	5.25	3.50	–	6.62	*
4	14.00	3.00	6.19	8	1.63	10.75	6.50	4.50	–	7.50	*
5	16.50	3.62	7.31	8	1.88	12.75	8.00	5.56	–	9.00	*
6	19.00	4.25	8.50	8	2.12	14.50	9.25	6.63	–	10.75	*
8	21.75	5.00	10.63	12	2.12	17.25	12.00	8.63	–	12.50	*
10	26.50	6.50	12.75	12	2.63	21.25	14.75	10.75	–	16.50	*
12	30.00	7.25	15.00	12	2.88	24.38	17.38	12.75	–	18.25	*

Buy Industrial Pipe Flange in Most Demanded Sizes like 2 or 1 1 2 or As Per Specification

Flange Specification

Find Flange Supplier in India who offers Custom Specification

Flanges Types

Weld Neck
Blind
Slip On
Socket Weld

ASME B16.5 Flange Sizes

NPS: 1/2″ to 48″
Class:150 to 2500#
SCH: Sch 5 to XXS
Custom Size Available

Industrial Pipe Flange Material

Carbon
Stainless Steel
Nickel Alloy
Alloy

Floor Flange Advantages

Low maintenance
High tensile strength
Excellent resistance

Asme B16 5 Flange Supporting Material

Gasket
Flange Bolts
Ring Joint

ANSI B16.5 Flange Testing Facility

PMi Testing
NDT
Hydro test

Flanges Face

Companion Flange Finish

Spiral/Concentric
Serrated
Mirror
Smooth

Class 150 Flange Origin

European
Korean
Japan
Indian

B16 5 Flange Threads

BSPT
NPT
BSPP
FNPT, MNPT

Pipe Flange Process

Cutting
Forging
Rolling
Casting

Companion Flange Test Certificates

Raw Materials Certificate
EN 10204/3.1B
Third Party Inspection Report, etc
100% Radiography Test Report

Stock and Supply 3 4 Floor Flange Stock With Pressure Class 150 to 2500 LBS At Discounted Price

Pressure Rating of ANSI B16.5 Flange

Temperature
FLANGE TABLE	-10°C to 200°C	250°C	300°C	350°C	400°C	425°C	450°C	475°C
6	6	5.5	5	–	–	–	–	–
10	10	9	8	7	6	–	–	–
16	16	15	13	11	9	–	–	–
25	25	24	21	17	14	12	9	6
40	40	38	33	28	23	20	15	10
64	64	61	53	44	36	32	24	16
100	100	95	83	70	57	50	37	25
160	160	152	132	112	92	80	60	40

Get Forged and Threaded Flange As Per ASME B16.5 and Many Other Standards

Industrial Pipe Flange Standards

Check Flange Stockist in India who offers High Quality Products that meet various Standards

Standard
ISO70051	EN-1092
DIN Flanges	ANSI/ASME B16.5
B16.47 Series A & B	ASME Flanges
DIN API7S-43	B16.48
EN Flanges	BS 10
GOST Flange	BS1560-3.1
ANSI Flanges	MSS S44
API7S-15	ASME/ANSI B16.5/16.36/16.47A/16.47B
API605	BS Flanges / JISB2220

Offer Ultrasonic Tested Reducing and Exhaust Flange With MTC For Pipelines and Heavy Oil Refineries

Companion Flange Applications

Explore Flange Manufacturer in India who delivers to various Industries

Defence
Environmental & Water Projects
Boilers & Process equipments
Heavy oil refineries and pipelines.
Fire Fighting systems
Nuclear power plant .
Phara Industries.
Petrochemicals and acids.

Floor Flange Testing

Check Flange Supplier in India providing various Testing Methods Before Dispatching the order

Direct-reading Spectrograph
Ultrasonic Flaw Detector
Hydrostatic Testing Machine
Magnetic Particle Detector
X-ray Detector

Weight Chart Of ASME B16.5 Flanges

Discover Flange Stockist in India offering Accurate Weights as per Requirement

NPS (Inches)	DN (mm)	FLANGE OD A MM	FLANGE THICKNESS D MM	SLIP ON FLANGE WEIGHT (KGS)	WELD NECK FLANGE WEIGHT (KGS)	BLIND FLANGE WEIGHT (KGS)
1/ 2	15	88.9	11.2	0.4	0.5	0.4
3/ 4	20	98.6	12.7	0.6	0.7	0.6
1	25	108	14.2	0.8	1	0.9
1 1/ 4	32	117.3	15.7	1	1.3	1.2
1 1/ 2	40	127	17.5	1.3	1.7	1.5
2	50	152.4	19.1	2.1	2.6	2.4
2 1/ 2	65	177.8	22.4	3.3	4.1	3.9
3	80	190.5	23.9	3.9	4.9	4.9
3 1/ 2	90	215.9	23.9	4.8	6.1	6.2
4	100	228.6	23.9	5.3	6.8	7.0
5	125	254	23.9	6.1	8.6	8.6
6	150	279.4	25.4	7.5	10.6	11.3
8	200	342.9	28.4	12.1	17.6	19.6
10	250	406.4	30.2	16.5	24	28.6
12	300	482.6	31.8	26.2	36.5	43.2
14	350	533.4	35.1	34.6	48.4	58.1
16	400	596.9	36.6	44.8	60.6	76.1
18	450	635	39.6	48.9	68.3	93.7
20	500	698.5	42.9	61.9	84.5	122.0
24	600	812.8	47.8	86.9	115	185.0

How to Choose an Best Flange?

Quality of Material
Testing and Inspection
Manufacturing process
Product range and customization
Experience and Reputation
Timely Delivery
Customer service and support
Environmental and Safety Standards
Financial stability

ASME B16.5 Flange Thickness

NPS	OD	Thickness (T)
1/2	3.50	0.44
1	4.25	0.50
1 1/2	5.00	0.62
1 1/4	4.63	0.56
2	6.00	0.75
3	7.50	1.00
2 1/2	7.00	0.88
4	9.00	1.00
6	11.00	1.25
5	10.00	1.12
8	13.50	1.38
12	19.00	1.75
10	16.00	1.50
16	23.50	2.00
14	21.00	1.88
20	28.00	2.38
18	25.50	2.25
24	32.00	2.62

Flange PCD Measurement Chart

Pipe Size		PN6 Drilling
Inch	Metric	PCD (mm)	Bolt Diameter	No. of Bolts
1/2″	20	55	M10	4
1″	32	75	M10	4
3/4″	25	65	M10	4
1 1/2″	50	100	M12	4
1 1/4″	40	90	M12	4
2″	63	110	M12	4
3″	90	150	M16	4
2 1/2″	75	130	M12	4
4″	110	170	M16	4
6″	160	225	M16	8
5″	140	200	M16	8
10″	280	335	M16	12
8″	200	280	M16	8

ASME B16.5 Flange Welding Methods

TIG Welding
MIG Welding
Stick Welding
SMAW Welding

Threads Of Pipe Flange

Threads
NPT – National Pipe Thread
Metric Thread
BSPP – British Standard Pipe Parallel
UNF – Unified National Fine

Flanges Size Chart

Check Flange Manufacturer in India who provides Custom Sizes

Size in Inch	Size in MM
24	DN600
16	DN400
20	DN500
14	DN350
18	DN450
12	DN300
8	DN200
10	DN250
6	DN150
4	DN100
2 1/2	DN65
3	DN80
2	DN50
3/4	DN20
1 1/2	DN40
1	DN25
1/2	DN15

ANSI B16.5 Flange Finish

View Flange Supplier in India offering Smooth, Bright and Mirror Finish as per need

Spiral Serrated Finish
Smooth Finish
Serrated Finish
Mirror Finish
Stock Finish

Flanges Tolerance

Thickness in MM	Tolerances in MM
tf > 75	+10.0, -0.0
25 < tf ≤ 50	+5.0, -0.0
50 < tf ≤ 75	+8.0, -0.0
tf ≤ 25	+3.0, -0.0

Companion Flange Face Types

As Best Flange Manufacturers in India, Offer Various Faces Of Flanges

Faces
RTJ Face (Ring Type Joint)
T&G Face (Tongue and Groove)
LJRF Face (Lap Joint)
FF Face (Flat)
RF Face (Raised)
M&F Face (Male and Female)

ASME B16.5 Flange Gaskets

Spiral Wound Gasket
Soft Gaskets
RTJ Gasket
Oval Ring Gaskets
RF Gasket
Metal Jacketed Gasket
PTFE Gaskets

DIN Standard for Flange

Standard	Pressure	Types
DIN 2635	PN40	Welding Neck (WN) Flanges
DIN 2632	PN10	Welding Neck (WN) Flanges
DIN 2642	PN10	Loose (Lapped Joint) Flange
DIN 2527	PN6, PN10, PN16, PN25, PN40, PN64, PN100	Blind (BL) Flange
DIN 2633	PN16	Welding Neck (WN) Flanges
DIN 2501	PN10	Plate (Loose) Flange
DIN 2561	PN10 and PN16	Oval Threaded Flange

EN Standard for ASME B16.5 Flange

EN Standard	Size	Types
EN 1092-1 TYPE 01	DN12 To DN4000	Plate Flange
EN 1092-1	3/8 to 80 inch	Slip on, Socket Weld, Weld Neck, Plate, Blind
EN 1092-2	3/8 to 80 inch	Slip on, Socket Weld, Weld Neck, Plate, Blind
EN 1092-1 TYPE 05	DN12 To DN4000	Blind (BLRF) Flange
EN 1092-1 TYPE 02	DN12 To DN1400	Loose Plate Flange
EN 1092-1 TYPE 13	DN12 To DN200	Threaded (TH) flange
EN 1092-1 TYPE 11	DN12 To DN4000	Weld Neck (WNRF) Flange

Class 150 Flanges Markings

Material & Grade Specification
Face Type
Heat Number
Pressure Rating & Class
Nominal Diameter & Sizes
Manufacturer Identification
Specification or Standard
Surface Finish

Bolt Hole Diameter for Flange

Class	Bolt Number	Bolt Diameter
Class 2500	12	73 mm
Class 600	20	34.9 mm
Class 1500	16	54 mm
Class 300	16	28.6 mm
Class 900	20	38.1 mm
Class 150	12	25.4 mm
Class 400	16	34.9 mm

Weekly Delivery Of Flange in Below countries

Export to	Continent	Shipping Time in Days	Port
Qatar	Asia	7	Hamad
Oman	Asia	5	Salalah

Monthly Delivery Of Flange in Below countries

Export to	Continent	Shipping Time in Days	Port
Mexico	North America	45	Manzanillo
South Africa	Africa	25-30	45	Durban