Stainless Steel ANSI B 16.5 Flanges - Check Dimensions of Blind Flanges ASME B16.5 | Dimensional Tolerances of Blind Flanges ASME B16.5 | ANSI B 16.5 Class 150 lb - ANSI Flanges

PRODUCT RANGE : STAINLESS STEEL FLANGES

Stainless Steel : ANSI Flanges ASTM A 182, ANSI Flanges A 240
Forged Flanges Grade : : ANSI B 16.5
ANSI Flanges F 304
ANSI Flanges 304L
ANSI Flanges 304H
ANSI Flanges 316
ANSI Flanges 316L
ANSI Flanges 316Ti
ANSI Flanges 310
ANSI Flanges 310S
ANSI Flanges 321
ANSI Flanges 321H
ANSI Flanges 317
ANSI Flanges 347
ANSI Flanges 347H
ANSI Flanges 904L
PRESSURE CLASS
ANSI Flanges 150 LBS
ANSI Flanges 300 LBS
ANSI Flanges 400 LBS
ANSI Flanges 600 LBS
ANSI Flanges 900 LBS
ANSI Flanges 1500 LBS
ANSI Flanges 2500 LBS

FORM
Slip On - SORF, JIS Standard - WNRF, JIS Standard - SWRF, BLIND - BLRF, Lapped Joint, Screwed, Long JIS Standard, Reducing, Spectacle, Ring Joint, Drowing

Dimensions of Blind Flanges ASME B16.5

NPS ½

Class15030040060090015002500
Diameter - D90959595120120135
Height - B9.612.714.314.322.322.330.2
11.214.320.720.728.728.736.6
Diameter - G35.135.135.135.135.135.135.1
Diameter - K60.366.766.766.782.682.688.9
Bolt Holes4444444
Diameter - L15.915.915.915.922.222.222.2
Stud Bolts Diameter x Length
Diameter (in)1/21/21/21/23/43/43/4
Length (mm)55657575110110120

 

Dimensional Tolerances of Blind Flanges ASME B16.5

Outside Diameter
≤ 24 = 1.6 mm | > 24 = ± 3.2 mm
Inside Diameter
not applicable
Diameter of Contact Face
1.6 mm Raised Face = ± 0.8 mm
6.35 mm Raised Face, Tongue & Groove / Male-Female = ± 0.4 mm
Outside Diameter of Hub
≤ 12 = + 2.4 mm / - 1.6 mm | ≥ 14 = ± 3.2 mm
Diameter of Counterbore
not applicable
Drilling
Bolt Circle = 1.6 mm | Bolt Hole Spacing = ± 0.8 mm
Eccentricity of Bolt Circle with Respect to Facing
≤ 2½ = 0.8 mm max. | ≥ 3 = 1.6 mm max.
Thickness
≤ 18 = + 3.2 mm / - 0 | ≥ 20 = + 4.8 mm / - 0
Length thru Hub
≤ 18 = + 3.2 mm / - 0.8 mm | ≥ 20 = + 4.8 mm / - 1.6 mm

ANSI B16.5 & ASME B16.5 Flanges

ASME/ANSI B16.5 - Flanges and Bolt Dimensions Class 150 to 2500

Diameters and bolt circles for standard ASME B16.5 flanges - 1/4 to 24 inches - Class 150 to 2500

ANSI B16.5 -1996 is the official standard for ANSI Class Pipe Flanges and Flanged Fittings, applied specifically to those made from cast or forged materials, as well as blind flanges and some reducing flanges crafted in cast, forged, or plate. It covers evaluations and standards for the following characteristics, noted in both metric and U.S. units of measure: 

  • Pressure-temperature ratings
  • Materials
  • Tolerances
  • Dimensions
  • Marking
  • Testing
  • Methods of designating openings

ANSI standard flange dimensions are designated as 150, 300, 400, 600, 900, 1500, and 2500, in sizes NPS 1/2 through NPS 24. 

ANSI Class Flange Types 

Regardless of size or specification, flanges are fundamentally designed to close, cover, connect, or support pipe systems. The six common types of ANSI Class Flanges, including: 

  • Slip-on, in both ring and hub style, to fit over a pipe
  • Weld neck, machined to match a pipe’s inside diameter and attached via welding
  • Blind, for sealing the end or opening of a piping system or vessel
  • Lap joint, to pair with stub end fittings for applications demanding dismantling
  • Threaded, to fit pipes with external threads without the need for welding
  • Socket-weld, to provide ideal inside flow with the use of a socket fit and top weld 

Material Grades and Performance 

The most common material grade for ANSI Class Flanges is forged or cast, unless otherwise specified. 

Industries and Applications 

The strength and durability represented by ANSI standards for flanges is valued in both domestic and international industries of all kinds. Common industries and applications include: 

  • Food processing and manufacturing (ANSI-NSF is a unique food-safe family of specifications)
  • Valves, vessels, and industrial pumps
  • Waterworks and municipal pipe systems
  • Heating systems and heat exchangers
  • Plumbing and mechanical systems
  • Fire protection services
  • Power plants and the nuclear power industry
  • Oil, gas, and chemical assemblies

ASME/ANSI B16.5 provides

  • weld neck
  • slip-on
  • socket weld
  • threaded
  • lap joint
  • blind

flange dimensions for pipes ranging 1/2" to 24" - in classes ranging 150 to 2500.

  • Steel Pipe Dimensons - Schedule 40
  • Steel Pipe Dimensions - Schedule 80

Table of Contant

ASME/ANSI B16.5 LBS 150
ASME/ANSI B16.5 LBS 300
ASME/ANSI B16.5 LBS 400
ASME/ANSI B16.5 LBS 600
ASME/ANSI B16.5 LBS 900
ASME/ANSI B16.5 LBS 1500
ASME/ANSI B16.5 LBS 2500

Nominal Pipe Size
NPS
(inches)
ASME/ANSI B16.5 Class 150
Diameter of
Flange
(inches)
No.
of
Bolts
Diameter of
Bolts
(inches)
Diameter of
Bolt Holes
(inches)
Bolt
Circle
(inches)
1/4 3-3/8 4 1/2 0.62 2-1/4
1/2 3-1/2 4 1/2 0.62 2-3/8
3/4 3-7/8 4 1/2 0.62 2-3/4
1 4-1/4 4 1/2 0.62 3-1/8
1-1/4 4-5/8 4 1/2 0.62 3-1/2
1-1/2 5 4 1/2 0.62 3-7/8
2 6 4 5/8 0.75 4-3/4
2-1/2 7 4 5/8 0.75 5-1/2
3 7-1/2 4 5/8 0.75 6
3-1/2 8-1/2 8 5/8 0.75 7
4 9 8 5/8 0.75 7-1/2
5 10 8 3/4 0.88 8-1/2
6 11 8 3/4 0.88 9-1/2
8 13-1/2 8 3/4 0.88 11-3/4
10 16 12 7/8 1 14-1/4
12 19 12 7/8 1 17
14 21 12 1 1.12 18-3/4
16 23-1/2 16 1 1.12 21-1/4
18 25 16 1-1/8 1.25 22-3/4
20 27-1/2 20 1-1/8 1.25 25
24 32 20 1-1/4 1.38 29-1/2
  • 1 inch = 25.4 mm
Nominal Pipe Size
NPS
(inches)
ASME/ANSI B16.5 Class 300
Diameter of
Flange
(inches)
No.
of
Bolts
Diameter of
Bolts
(inches)
Diameter of
Bolt Holes
(inches)
Bolt
Circle
(inches)
1/4 3-3/8 4 1/2 0.62 2-1/4
1/2 3-3/4 4 1/2 0.62 2-5/8
3/4 4-5/8 4 5/8 0.75 3-1/4
1 4-7/8 4 5/8 0.75 3-1/2
1-1/4 5-1/4 4 5/8 0.75 3-7/8
1-1/2 6-1/8 4 3/4 0.88 4-1/2
2 6-1/2 8 5/8 0.75 5
2-1/2 7-1/2 8 3/4 0.88 5-7/8
3 8-1/4 8 3/4 0.88 6-5/8
3-1/2 9 8 3/4 0.88 7-1/4
4 10 8 3/4 0.88 7-7/8
5 11 8 3/4 0.88 9-1/4
6 12-1/2 12 3/4 0.88 10-5/8
8 15 12 7/8 1 13
10 17-1/2 16 1 1.12 15-1/4
12 20-1/2 16 1-1/8 1.25 17-3/4
14 23 20 1-1/8 1.25 20-1/4
16 25-1/2 20 1-1/4 1.38 22-1/2
18 28 24 1-1/4 1.38 24-3/4
20 30-1/2 24 1-1/4 1.38 27
24 36 24 1-1/2 1.62 32
Nominal Pipe Size
NPS
(inches)
ASME/ANSI B16.5 Class 400
Diameter of
Flange
(inches)
No.
of
Bolts
Diameter of
Bolts
(inches)
Diameter of
Bolt Holes
(inches)
Bolt
Circle
(inches)
1/4 3-3/8 4 1/2 0.62 2-1/4
1/2 3-3/4 4 1/2 0.62 2-5/8
3/4 4-5/8 4 5/8 0.75 3-1/4
1 4-7/8 4 5/8 0.75 3-1/2
1-1/4 5-1/4 4 5/8 0.75 3-7/8
1-1/2 6-1/8 4 3/4 0.88 4-1/2
2 6-1/2 8 5/8 0.75 5
2-1/2 7-1/2 8 3/4 0.88 5-7/8
3 8-1/4 8 3/4 0.88 6-5/8
3-1/2 9 8 7/8 1 7-1/4
4 10 8 7/8 1 7-7/8
5 11 8 7/8 1 9-1/4
6 12-1/2 12 7/8 1 10-5/8
8 15 12 1 1.12 13
10 17-1/2 16 1-1/8 1.25 15-1/4
12 20-1/2 16 1-1/4 1.38 17-3/4
14 23 20 1-1/4 1.38 20-1/4
16 25-1/2 20 1-3/8 1.5 22-1/2
18 28 24 1-3/8 1.5 24-3/4
20 30-1/2 24 1-1/2 1.62 27
24 36 24 1-3/4 1.88 32
Nominal Pipe Size
NPS
(inches)
ASME/ANSI B16.5 Class 600
Diameter of
Flange
(inches)
No.
of
Bolts
Diameter of
Bolts
(inches)
Diameter of
Bolt Holes
(inches)
Bolt
Circle
(inches)
1/4 3-3/8 4 1/2 0.62 2-1/4
1/2 3-3/4 4 1/2 0.62 2-5/8
3/4 4-5/8 4 5/8 0.75 3-1/4
1 4-7/8 4 5/8 0.75 3-1/2
1-1/4 5-1/4 4 5/8 0.75 3-7/8
1-1/2 6-1/8 4 3/4 0.88 4-1/2
2 6-1/2 8 5/8 0.75 5
2-1/2 7-1/2 8 3/4 0.88 5-7/8
3 8-1/4 8 3/4 0.88 6-5/8
3-1/2 9 8 7/8 1 7-1/4
4 10-3/4 8 7/8 1 8-1/2
5 13 8 1 1.12 10-1/2
6 14 12 1 1.12 11-1/2
8 16-1/2 12 1-1/8 1.25 13-3/4
10 20 16 1-1/4 1.38 17
12 22 20 1-1/4 1.38 19-1/4
14 23-3/4 20 1-3/8 1.5 20-3/4
16 27 20 1-1/2 1.62 23-3/4
18 29-1/4 20 1-5/8 1.75 25-3/4
20 32 24 1-5/8 1.75 28-1/2
24 37 24 1-7/8 2 33
Nominal Pipe Size
NPS
(inches)
ASME/ANSI B16.5 Class 900
Diameter of
Flange
(inches)
No.
of
Bolts
Diameter of
Bolts
(inches)
Diameter of
Bolt Holes
(inches)
Bolt
Circle
(inches)
1/2 4-3/4 4 3/4 0.88 3-1/4
3/4 5-1/8 4 3/4 0.88 3-1/2
1 5-7/8 4 7/8 1 4
1-1/4 6-1/4 4 7/8 1 4-3/8
1-1/2 7 4 1 1.12 4-7/8
2 8-1/2 8 7/8 1 6-1/2
2-1/2 9-5/8 8 1 1.12 7-1/2
3 9-1/2 8 7/8 1 7-1/2
4 11-1/2 8 1-1/8 1.25 9-1/4
5 13-3/4 8 1-1/4 1.38 11
6 15 12 1-1/8 1.25 12-1/2
8 18-1/2 12 1-3/8 1.5 15-1/2
10 21-1/2 16 1-3/8 1.5 18-1/2
12 24 20 1-3/8 1.5 21
14 25-1/4 20 1-1/2 1.62 22
16 27-3/4 20 1-5/8 1.75 24-1/2
18 31 20 1-7/8 2 27
20 33-3/4 20 2 2.12 29-1/2
24 41 20 2-1/2 2.62 35-1/2
Nominal Pipe Size
NPS
(inches)
ASME/ANSI B16.5 Class 1500
Diameter of
Flange
(inches)
No.
of
Bolts
Diameter of
Bolts
(inches)
Diameter of
Bolt Holes
(inches)
Bolt
Circle
(inches)
1/2 4-3/4 4 3/4 0.88 3-1/4
3/4 5-1/8 4 3/4 0.88 3-1/2
1 5-7/8 4 7/8 1 4
1-1/4 6-1/4 4 7/8 1 4-3/8
1-1/2 7 4 1 1.12 4-7/8
2 8-1/2 8 7/8 1 6-1/2
2-1/2 9-5/8 8 1 1.12 7-1/2
3 10-1/2 8 1-1/8 1.25 8
4 12-1/4 8 1-1/4 1.38 9-1/2
5 14-3/4 8 1-1/2 1.62 11-1/2
6 15-1/2 12 1-3/8 1.5 12-1/2
8 19 12 1-5/8 1.75 15-1/2
10 23 12 1-7/8 2 19
12 26-1/2 16 2 2.12 22-1/2
14 29-1/2 16 2-1/4 2.38 25
16 32-1/2 16 2-1/2 2.62 27-3/4
18 36 16 2-3/4 2.88 30-1/2
20 38-3/4 16 3 3.12 32-3/4
24 46 16 3-1/2 3.62 39
Nominal Pipe Size
NPS
(inches)
ASME/ANSI B16.5 Class 2500
Diameter of
Flange
(inches)
No.
of
Bolts
Diameter of
Bolts
(inches)
Diameter of
Bolt Holes
(inches)
Bolt
Circle
(inches)
1/2 5-1/4 4 3/4 0.88 3-1/2
3/4 5-1/2 4 3/4 0.88 3-3/4
1 6-1/4 4 7/8 1 4-1/4
1-1/4 7-1/4 4 1 1.12 5-1/8
1-1/2 8 4 1-1/8 1.25 5-3/4
2 9-1/4 8 1 1.12 6-3/4
2-1/2 10-1/2 8 1-1/8 1.25 7-3/4
3 12 8 1-1/4 1.38 9
4 14 8 1-1/2 1.62 10-3/4
5 16-1/2 8 1-3/4 1.88 12-3/4
6 19 8 2 2.12 14-1/2
8 21-3/4 12 2 2.12 17-1/4
10 26-1/2 12 2-1/2 2.62 21-1/4
12 30 12 2-3/4 2.88 24-3/8

We Deliver to following Countries & cities with Time estimate

MIDDLE EAST
Country
Deliver Days Port Name
Malaysia 10 - 20 Days Port of Klang, Malaysia - Penang Port, Malaysia
Singapore 10 - 20 Days Northport , Malaysia - Westports, Malaysia
Thailand 20-30 Days Port of Laem Chabang, Thailand
Philippines 20-30 Days Port of Manila - Port of Jordan, Philippines
Indonesia 25-40 Days Jakarta Tanjung Priok Seaport indonesia
Sri Lanka 10-15 Days Port of Colombo

Bangladesh

5-10 Days The Port of Chittagong (Bangladesh)
UAE 5-10 Days Port of Mina Jebel Ali (Jebel Ali - Dubai ) , United Arab Emirates & Port Zayed (Mina Zayed), United Arab Emirates
Saudi Arabia 10-20 Days Jeddah Islamic Port, Saudi Arabia
Turkey 20-30 Days Haydarpasa, Izmir and Mersin Port - Port of Ambarli, Turkey
Qatar 8 - 12 Days Port of Doha, Qatar & Port of Al Wakrah, Qatar
Oman 5 - 10 Days Port Of Sohar - Oman , Port of Muscat - Oman
Kuwait 8 - 15 Days Port of Kuwait, Kuwait
Yemen 8 - 15 Days Port of Aden, Yemen
Jordan 15 - 20 Days Port of Aqaba, Jordan
Cyprus 16 - 20 Days Famagusta Port, Cyprus
AFRICAN
Countries Port
Deliver Days Port Name
Nigeria 35 - 40 days Tin Can Island Port Complex, Nigeria
Algeria 35 - 40 days Port of Alger, Algeria - Port of Bejaia, Algeria - Port of oran, Algeria - Port of ghazaouet, Algeria
Angola 35 - 40 days Port of Luanda, Angola
South Africa 20 - 30 days Port Elizabeth, South Africa
Libya 18 - 20 Port of Benghazi, Libya
Egypt 15 - 20 Days Port of Damietta, Egypt
Sudan 10-15 Days Port of Sudan, Sudan
Equatorial Guinea 35 - 40 days Port of Malabo, Equatorial Guinea - Port of Bata, Equatorial Guinea
The Republic Of Congo 35 - 40 days Port of Matadi, Congo - Kinshasa
Gabon 35 - 40 days Port of Owendo, Gabon


ANSI B 16.5 Class 150 lb - ANSI Flanges
The wide range of ANSI B 150 Class- ANSI Flanges offered by us is in conformation with international quality standards. These are designed as per the standards set by various national and international authorities and are manufactured using high grade steel. Our range of flanges is highly acknowledged in the domestic and global markets, due to features such as application specific design and corrosion resistance.

Stainless Steel ANSI Flanges : ASTM A 182, A 240

ANSI Flanges Grade : F 304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H,904L,
Duplex stainless steel UNS S31803, 2205, Super Duplex stainless steel ANSI Flanges UNS S32750

Carbon Steel ANSI Flanges : ASTM A 105, ASTM A 181

Alloy Steel ANSI Flanges : ASTM A 182, GR F1, F11, F22, F5, F9, F91

Nickel Alloys ANSI Flanges : Monel 400 & 500, Inconel 600 & 625, Incolloy 800, 825, Hastelloy C22,C276

Copper Alloys ANSI Flanges Copper, Brass & Gunmetal

ANSI Flanges Size : 1/8" NB TO 48"NB.

ANSI Flanges Class : 150#, 300#,400 #,600#,900#, 1500# & 2500 #.

ANSI Flanges ::

ANSI Flanges are widely used in special circumstances with their main advantage being that they can be attached to the pipe without welding. We are one of the leading manufacturer and supplier of steel ANSI Flanges in India, we can supply stainless steel, carbon steel and nickel alloy ANSI Flanges.

ANSI Flanges, steel ANSI Flanges are available with following specifications:

Stainless Steel ANSI Flanges : ASTM A 182, A 240 ANSI Flanges Grade : F 304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H,904L, Duplex stainless steel UNS S31803, 2205,
Super Duplex stainless steel ANSI Flanges UNS S32750
Carbon Steel ANSI Flanges : ASTM A 105, ASTM A 181
Alloy Steel ANSI Flanges : ASTM A 182, GR F1, F11, F22, F5, F9, F91 Nickel Alloys ANSI Flanges: Monel 400 & 500, Inconel 600 & 625, Incolloy 800, 825, Hastelloy C22, C276
Copper Alloys ANSI Flanges Copper, Brass & Gunmetal

ANSI Flanges Size : 1/8" NB TO 48"NB. ANSI Flanges Class : 150#, 300#,400 #,600#,900#, 1500# & 2500 #.

ANSI B 16.5 Class 300 - ANSI Flanges
We are a leading manufacturer and exporter of a wide range of ANSI B 16.5 Class 300 - ANSI Flanges, which has dimensions that corresponds to the inside diameter of the pipe and has a standard wall thickness of 40S. The weights of these flanges are based as per the clients’ requirements.

Stainless Steel ANSI Flanges : ASTM A 182, A 240

ANSI Flanges Grade : F 304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H,904L,
Duplex stainless steel UNS S31803, 2205, Super Duplex stainless steel ANSI Flanges UNS S32750

Carbon Steel ANSI Flanges : ASTM A 105, ASTM A 181

Alloy Steel ANSI Flanges : ASTM A 182, GR F1, F11, F22, F5, F9, F91

Nickel Alloys ANSI Flanges : Monel 400 & 500, Inconel 600 & 625, Incolloy 800, 825, Hastelloy C22,C276

Copper Alloys ANSI Flanges Copper, Brass & Gunmetal

ANSI Flanges Size : 1/8" NB TO 48"NB.

ANSI Flanges Class : 150#, 300#,400 #,600#,900#, 1500# & 2500 #.

ANSI B 16.5 Class 600 - ANSI Flanges
We have with us a range of ANSI B 16.5 Class 600 - ANSI Flanges that are manufactured using high grade steel. These flanges are suitable to be used in low pressure services at ambient temperature. Designed using advanced technology, our range is widely appreciated for dimensional accuracy, corrosion resistance and high durability. Further, we also make sure that these flanges meet the international quality standards.

Stainless Steel ANSI Flanges : ASTM A 182, A 240

ANSI Flanges Grade : F 304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H,904L,
Duplex stainless steel UNS S31803, 2205, Super Duplex stainless steel ANSI Flanges UNS S32750

Carbon Steel ANSI Flanges : ASTM A 105, ASTM A 181

Alloy Steel ANSI Flanges : ASTM A 182, GR F1, F11, F22, F5, F9, F91

Nickel Alloys ANSI Flanges : Monel 400 & 500, Inconel 600 & 625, Incolloy 800, 825, Hastelloy C22,C276

Copper Alloys ANSI Flanges Copper, Brass & Gunmetal

ANSI Flanges Size : 1/8" NB TO 48"NB.

ANSI Flanges Class : 150#, 300#,400 #,600#,900#, 1500# & 2500 #.

ANSI B 300 Class - JIS Standard Flangaes
Stainless Steel ANSI Flanges : ASTM A 182, A 240

ANSI Flanges Grade : F 304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H,904L,
Duplex stainless steel UNS S31803, 2205, Super Duplex stainless steel ANSI Flanges UNS S32750

Carbon Steel ANSI Flanges : ASTM A 105, ASTM A 181

Alloy Steel ANSI Flanges : ASTM A 182, GR F1, F11, F22, F5, F9, F91

Nickel Alloys ANSI Flanges : Monel 400 & 500, Inconel 600 & 625, Incolloy 800, 825, Hastelloy C22,C276

Copper Alloys ANSI Flanges Copper, Brass & Gunmetal

ANSI Flanges Size : 1/8" NB TO 48"NB.

ANSI Flanges Class : 150#, 300#,400 #,600#,900#, 1500# & 2500 #

ANSI B 2500 Class - ANSI Flanges
Another range of ANSI Flanges offered by us is ANSI B 2500 Class- ANSI Flanges. These conform to ASME B1. 20.1 NTP threads, the only exceptions are small male and female plain face ANSI Flanges which use NPSL locknut threads. The flanges offered by us are offered in numerous specifications and can be further customized as per the requirements of our clients.
Stainless Steel ANSI Flanges : ASTM A 182, A 240

ANSI Flanges Grade : F 304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H,904L,
Duplex stainless steel UNS S31803, 2205, Super Duplex stainless steel ANSI Flanges UNS S32750

Carbon Steel ANSI Flanges : ASTM A 105, ASTM A 181

Alloy Steel ANSI Flanges : ASTM A 182, GR F1, F11, F22, F5, F9, F91

Nickel Alloys ANSI Flanges : Monel 400 & 500, Inconel 600 & 625, Incolloy 800, 825, Hastelloy C22,C276

Copper Alloys ANSI Flanges Copper, Brass & Gunmetal

ANSI Flanges Size : 1/8" NB TO 48"NB.

ANSI Flanges Class : 150#, 300#,400 #,600#,900#, 1500# & 2500 #.

ANSI B 16.5 Class 300 Blind Flanges
The ANSI B 300 Class ANSI Flanges offered by us conforms to the ASME B1. 20.1 NTP threads. Designed as per the industry established parameters, these are fabricated using high grade raw material. These flanges are counter-bored and are chamfered to the counter bore at an angle of 450 (approx). Our range of ANSI Flanges finds application in numerous industries and is known for optimum performance and durability.

Stainless Steel ANSI Flanges : ASTM A 182, A 240

ANSI Flanges Grade : F304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H,904L,
Duplex stainless steel UNS S31803, 2205, Super Duplex stainless steel ANSI Flanges UNS S32750

Carbon Steel ANSI Flanges : ASTM A 105, ASTM A 181

Alloy Steel ANSI Flanges : ASTM A 182, GR F1, F11, F22, F5, F9, F91

Nickel Alloys ANSI Flanges : Monel 400 & 500, Inconel 600 & 625, Incolloy 800, 825, Hastelloy C22,C276

Copper Alloys ANSI Flanges Copper, Brass & Gunmetal

ANSI Flanges Size : 1/8" NB TO 48"NB.

ANSI Flanges Class : 150#, 300#,400 #,600#,900#, 1500# & 2500 #.