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ANSI B16 5 Long Weld Neck Flange and Class 150 Blind Flanges Manufacturer in india

ASME or American Society of Mechanical Engineers is a global engineering association that sets standards in multiple disciplines. These standards are used by manufacturers and buyers across the world for the manufacture as well as the purchase of an ASME B16.5 Flange. Similar to most standards and specifications, the details covered here include various parameters including the type of material used right down to the size of the bolts to fasten the material. This standard covers both forged as well as cast Asme B16 5 Class 300 Flange.

ASME B16.5 Flange

The benefits of using cast steel include better design and weight flexibility, reliability, and cast flange are often considered to be economical. On the other hand, forging the alloys improves the mechanical characteristics of the Ansi B16.5 Class 150 Flanges. The material has better resistance to fatigue and its impact resistance is improved. Forging the alloy makes it ductile, and the end resultant Asme B16.5 Long Welding Neck Flange has a grain flow that is more refined and follows the shape of this flange. The ASME B16.5 also covers the temperature and pressure ratings. Most steel and stainless steel alloys can bear moderate to high heat levels without losing their mechanical property. However, the pressure bearing capacity of any ANSI B16.5 Flanges would depend on factors such as its pressure rating, the flow of media, its design, the material used as well as the conditions where they are employed in. To maximize the efficiency of a flange, it is important to look into all these factors. For instance, sealing off a flow is possible using a blind flange. However, the pressure capacity of the Asme B16 5 Tapped Blind Flange would also be determined by how strong the material is.

PDO Approved B16 5 Slip on Flange Manufacturer and Supplier in Mumbai, Check Asme B16 5 Class 300 Flange Dimensions and Sizes In Mm

 

Asme B16.5 Flange Standard Specification

Manufacturer and supplier of Ansi B16.5 Class 600 Flanges in India, Check ASME B16.5 Weld Neck Flange Material Thickness and Weights In Kg

Material Specification Of ASME B16.5 Flange
Standard Cover materials, pressure ratings & temperature ratings, marking, dimensions, weight, tolerances, testing
Thickness NPS (Nominal Pipe Size) ≤ 18
Size Chart NPS(Normal Pipe Size) 1/2 to NPS 24 inches
Low Temperature Above -29 Degree C (−20°F)
Bore Diameter NPS (Normal Pipe) ≤ 10
Flange Standards ASME B16.47 type A, EN 1092-1, JIS, ASME B16.5, UNI, DIN
Pressure Rating Class 150 To Class 2500 LBS
High Temperature Above 200°C (400°F) For Class 150LB Or Above 400°C (750°F)
Common Types Of Slip On, Socket Weld, Weld Neck, Lap Joint, Blind, Threaded
Bolt Type high strength bolts
medium strength bolts
low strength bolts
European Standard Flange JIS B2220 Flange 5k to 30k and KS1503 flange
Russian-Standard Flange UNI, GOST 12820 & 12821-80, DIN, EN 1092-1
South African Standard Flange SANS flange & SABS flange
Surface Finish concentric serrated, smooth, stock
Flange Gaskets Types Flat Ring Gasket
Full Face Gasket
Metallic Ring Gakset
Flange Face Type Small Male-Female, Lap-Joint Face, Raised Face, Ring Type Joint, Flat Face, Small Tongue, Large Male-Female, Large Tongue & Groove Flange manufacturer and Supplier
Flange Marking All are marked as follows: Supplier or Manufacturer’s Name, Size, Class, Bore, Dimension, Material, Heat No. Or according to the customer’s request.
Supplier and Distributors Located in Ankara, Howrah, Melbourne, Abu Dhabi, Istanbul, Gujarat, Rajkot, London, Ahmedabad, Bogota, Montreal, Mexico, Jamshedpur, Ludhiana, Dammam, Gurgaon, Ranchi, Indore, Khobar, Calgary, Ahvaz, Sydney, Port of Spain, Bengaluru, Karachi, Nagpur, Riyadh, Ernakulam, Perth, India, Lagos, Santiago, Muscat, Kolkata, Mumbai, Manama, Coimbatore, Pimpri Chinchwad, Caracas, Gimhae si, Ludhiana, Tehran, Noida, New Delhi, Thiruvananthapuram, Hyderabad, Courbevoie, Vadodara, Kanpur, Kuwait, Chennai, Janeiro, Baroda, Bangalore, Surat

Various Types Of Ansi B16 5 Class 300 Flange

Asme B16.5 Flange Types

Ansi B16 5 Flange

Ansi B16 5 Flange

Asme B16 5 Flange

Asme B16 5 Flange

Asme B16 5 Tapped Blind Flange

Asme B16 5 Tapped Blind Flange

Ansi B16.5 300lbs Wn Flange

Ansi B16.5 300lbs Wn Flange

Asme B16.5 2 1/2 inch Stainless Steel Blind Flange

Asme B16.5 2 1/2" Stainless Steel Blind Flange

Asme B16.5 Forged Bl Rf Blind Large Diameter Stainless Steel Flange

Asme B16.5 Forged Bl Rf Blind Large Diameter Stainless Steel Flange

Class 300, 600, 900, 1500 Asme B16.5 Blind Flange

Class 300, 600, 900, 1500 Asme B16.5 Blind Flange

Asme B16.5 6inch Class 1500 Blind Flange

Asme B16.5 6inch Class 1500 Blind Flange

Asme B16.5 Class 150 Stainless Steel Socket Weld Round Flange

Asme B16.5 Class 150 Stainless Steel Socket Weld Round Flange

2 Inch Blind Flange Class 1500 Asme B16.5

2 Inch Blind Flange Class 1500 Asme B16.5

B16.5 Class 1500 Rf Carbon Steel Threaded Flange

B16.5 Class 1500 Rf Carbon Steel Threaded Flange

Ansi B16.5 Class 150 Flange

Ansi B16.5 Class 150 Flange

Asme B16.5 Stainless Steel Threaded Flange

Asme B16.5 Stainless Steel Threaded Flange

6 inch Wn #1500, Sch160 Asme B16.5 Flange

6" Wn #1500, Sch160 Asme B16.5 Flange

Ansi B16.5 Forged Class 150 Welding Neck Flange

Ansi B16.5 Forged Class 150 Welding Neck Flange

4 Inch Astm B16.5 1500# Blind Flange

4 Inch Astm B16.5 1500# Blind Flange

Ansi B16.5 Stainless Steel Welding Flange

Ansi B16.5 Stainless Steel Welding Flange

Ansi B16.5 Spectacle Blind Flange

Ansi B16.5 Spectacle Blind Flange

Asme B16.5 Carbon Steel Plate Flat Flange

Asme B16.5 Carbon Steel Plate Flat Flange

Asme B16.5 4 inch Sch 120 Class 1500# Flange

Asme B16.5 4" Sch 120 Class 1500# Flange

Asme B16.5 Long Welding Neck Flange

Asme B16.5 Long Welding Neck Flange

Asme B16 5 Class 150 Flange Dimensions In Mm

Nominal Size Outside Diameter
(OD)
Min. Thickness
(T)
RF Diameter
(R)
No. of Bolt Holes Diameter of Holes Bolt Circle
(BC)
SO Bore Inner Diameter
(SB)
Weld neck Bore Inner Diameter
(WB)
Diameter Hub Base
(HB)
Diameter of Hub Top
(HT)
SO LTH
(SL)
WN LTH 
(WL)
2 6.00 0.69 3.62 4 0.75 4.75 2.44 2.07 3.06 2.38 0.94 2.44
3⁄4 3.88 0.44 1.69 4 0.62 2.75 1.09 0.82 1.50 1.05 0.56 2.00
1 4.25 0.50 2.00 4 0.62 3.12 1.36 1.05 1.94 1.32 0.62 2.12
11⁄4 4.62 0.56 2.50 4 0.62 3.50 1.70 1.38 2.31 1.66 0.75 2.19
1⁄2 3.50 0.38 1.38 4 0.62 2.38 0.88 0.62 1.19 0.84 0.56 1.81
11⁄2 5.00 0.62 2.88 4 0.62 3.88 1.95 1.61 2.56 1.90 0.81 2.38
21⁄2 7.00 0.81 4.12 4 0.75 5.50 2.94 2.47 3.56 2.88 1.06 2.69
31⁄2 8.50 0.88 5.50 8 0.75 7.00 4.07 3.55 4.81 4.00 1.19 2.75
4 9.00 0.88 6.19 8 0.75 7.50 4.57 4.03 5.31 4.50 1.25 2.94
5 10.00 0.88 7.31 8 0.88 8.50 5.66 5.05 6.44 5.56 1.38 3.44
3 7.50 0.88 5.00 4 0.75 6.00 3.57 3.07 4.25 3.50 1.12 2.69
6 11.00 0.94 8.50 8 0.88 9.50 6.72 6.07 7.56 6.63 1.50 3.44
8 13.50 1.06 10.62 8 0.88 11.75 8.72 7.98 9.69 8.63 1.69 3.94
24 32.00 1.81 27.25 20 1.38 29.50 24.25 23.25 26.12 24.00 3.19 5.94
12 19.00 1.19 15.00 12 1.00 17.00 12.88 12.00 14.38 12.75 2.12 4.44
14 21.00 1.31 16.25 12 1.12 18.75 14.14 13.25 15.75 14.00 2.19 4.94
16 23.50 1.38 18.50 16 1.12 21.25 16.16 15.25 18.00 16.00 2.44 4.94
18 25.00 1.50 21.00 16 1.25 22.75 18.18 17.25 19.88 18.00 2.62 5.44
10 16.00 1.12 12.75 12 1.00 14.25 10.88 10.02 12.00 10.75 1.88 3.94
20 27.50 1.62 23.00 20 1.25 25.00 20.20 19.25 22.00 20.00 2.81 5.62
22 29.50 1.75 25.25 20 1.38 27.25 22.22 21.25 24.25 22.00 3.07 5.82

Ansi B16 5 Class 300 Dimensions

Finding Ansi B16 5 Class 900 Flanges Supplier in India? Buy directly Asme B16 5 Tapped Blind Flange manufacturers in Mumbai, View AISI B16 5 Socket Weld Flange rating and B16.5 Plate Flanges Updated Price list
Nominal Size Outside Diameter
(OD)
Min. Thickness
(T)
RF Diameter
(R)
No. of Bolt Holes Diameter of Holes Bolt Circle
(BC)
SO Bore Inner Diameter
(SB)
Weld neck Bore Inner Diameter
(WB)
Diameter Hub Base
(HB)
Diameter of Hub Top
(HT)
SO LTH
(SL)
WN LTH 
(WL)
21⁄2 7.50 0.94 4.12 8 0.88 5.88 2.94 2.47 3.94 2.88 1.44 2.94
3⁄4 4.62 0.56 1.69 4 0.75 3.25 1.09 0.82 1.88 1.05 0.94 2.19
1 4.88 0.62 2.00 4 0.75 3.50 1.36 1.05 2.12 1.32 1.00 2.38
11⁄4 5.25 0.69 2.50 4 0.75 3.88 1.70 1.38 2.50 1.66 1.00 2.50
11⁄2 6.12 0.75 2.88 4 0.88 4.50 1.95 1.61 2.75 1.90 1.13 2.63
1⁄2 3.75 0.50 1.38 4 0.63 2.62 0.88 0.62 1.50 0.84 0.81 2.00
2 6.50 0.81 3.62 8 0.75 5.00 2.44 2.07 3.31 2.38 1.25 2.69
3 8.25 1.06 5.00 8 0.88 6.62 3.57 3.07 4.62 3.50 1.63 3.06
31⁄2 9.00 1.12 5.50 8 0.88 7.25 4.07 3.55 5.25 4.00 1.69 3.13
4 10.00 1.19 6.19 8 0.88 7.88 4.57 4.03 5.75 4.50 1.82 3.32
5 11.00 1.31 7.31 8 0.88 9.25 5.66 5.05 7.00 5.56 1.94 3.82
8 15.00 1.56 10.62 12 1.00 13.00 8.72 7.98 10.25 8.63 2.38 4.32
10 17.50 1.81 12.75 16 1.12 15.25 10.88 10.02 12.62 10.75 2.56 4.56
12 20.50 1.94 15.00 16 1.25 17.75 12.88 12.00 14.75 12.75 2.82 5.06
14 23.00 2.06 16.25 20 1.25 20.25 14.14 13.25 16.75 14.00 2.94 5.56
24 36.00 2.69 27.62 24 1.63 32.00 24.25 23.25 27.62 24.00 4.13 6.56
16 25.50 2.19 18.50 20 1.38 22.50 16.16 15.25 19.00 16.00 3.19 5.69
6 12.50 1.38 8.50 12 0.88 10.62 6.72 6.07 8.12 6.63 2.00 3.82
18 28.00 2.31 21.00 24 1.38 24.75 18.18 17.25 21.00 18.00 3.44 6.19
20 30.50 2.44 23.12 24 1.38 27.00 20.20 19.25 23.12 20.00 3.69 6.32
22 33.00 2.57 25.25 24 1.63 29.25 22.22 21.25 25.25 22.00 3.93 6.43

Asme B16 5 Blind Flange Class 400 Dimensions Chart

Nominal Size Outside Diameter
(OD)
Min. Thickness
(T)
RF Diameter
(R)
No. of Bolt Holes Diameter of Holes Bolt Circle
(BC)
SO Bore Inner Diameter
(SB)
Weld neck Bore Inner Diameter
(WB)
Diameter Hub Base
(HB)
Diameter of Hub Top
(HT)
SO LTH
(SL)
WN LTH 
(WL)
21⁄2 7.50 1.12 4.12 8 0.88 5.88 2.94 3.94 2.88 1.62 3.12 *
3⁄4 4.62 0.62 1.69 4 0.75 3.25 1.09 1.88 1.05 1.00 2.25 *
1 4.88 0.69 2.00 4 0.75 3.50 1.36 2.12 1.32 1.06 2.44 *
11⁄4 5.25 0.81 2.50 4 0.75 3.88 1.70 2.50 1.66 1.12 2.62 *
1⁄2 3.75 0.56 1.38 4 0.63 2.62 0.88 1.5 0.84 0.88 2.06 *
11⁄2 6.12 0.88 2.88 4 0.88 4.50 1.95 2.75 1.90 1.25 2.75 *
2 6.50 1.00 3.62 8 0.75 5.00 2.44 3.31 2.38 1.44 2.88 *
3 8.25 1.25 5.00 8 0.88 6.62 3.57 4.62 3.50 1.81 3.25 *
31⁄2 9.00 1.38 5.50 8 1.00 7.25 4.07 5.25 4.00 1.94 3.38 *
4 10.00 1.38 6.19 8 1.00 7.88 4.57 5.75 4.50 2.00 3.50 *
5 11.00 1.50 7.31 8 1.00 9.25 5.66 7.00 5.56 2.12 4.00 *
6 12.50 1.62 8.50 12 1.00 10.62 6.72 8.12 6.63 2.25 4.06 *
10 17.50 2.12 12.75 16 1.25 15.25 10.88 12.62 10.75 2.88 4.88 *
12 20.50 2.25 15.00 16 1.38 17.75 12.88 14.75 12.75 3.12 5.38 *
14 23.00 2.38 16.25 20 1.38 20.25 14.14 16.75 14.00 3.31 5.88 *
16 25.50 2.50 18.50 20 1.50 22.50 16.16 19.00 16.00 3.69 6.00 *
8 15.00 1.88 10.62 12 1.12 13.00 8.72 10.25 8.63 2.69 4.62 *
18 28.00 2.62 21.00 24 1.50 24.75 18.18 21.00 18.00 3.88 6.50 *
20 30.50 2.75 23.12 24 1.62 27.00 20.20 23.12 20.00 4.00 6.62 *
24 36.00 3.00 27.25 24 1.88 32.00 24.25 27.62 24.00 4.50 6.88 *
22 33.00 2.88 25.25 24 1.75 29.25 22.22 25.25 22.00 4.25 6.75 *

Asme B16 5 600 Flange Dimensions

Nominal Size Outside Diameter
(OD)
Min. Thickness
(T)
RF Diameter
(R)
No. of Bolt Holes Diameter of Holes Bolt Circle
(BC)
SO Bore Inner Diameter
(SB)
Weld neck Bore Inner Diameter
(WB)
Diameter Hub Base
(HB)
Diameter of Hub Top
(HT)
SO LTH
(SL)
WN LTH 
(WL)
11⁄4 5.25 0.81 2.50 4 0.75 3.88 1.70 2.50 1.66 1.12 2.62 *
3⁄4 4.62 0.62 1.69 4 0.75 3.25 1.09 1.88 1.05 1.00 2.25 *
1 4.88 0.69 2.00 4 0.75 3.50 1.36 2.12 1.32 1.06 2.44 *
1⁄2 3.75 0.56 1.38 4 0.63 2.62 0.88 1.50 0.84 0.88 2.06 *
11⁄2 6.12 0.88 2.88 4 0.88 4.50 1.95 2.75 1.90 1.25 2.75 *
2 6.50 1.00 3.62 8 0.75 5.00 2.44 3.31 2.38 1.44 2.88 *
21⁄2 7.50 1.12 4.12 8 0.88 5.88 2.94 3.94 2.88 1.62 3.12 *
31⁄2 9.00 1.38 5.50 8 1.00 7.25 4.07 5.25 4.00 1.94 3.38 *
4 10.75 1.50 6.19 8 1.00 8.50 4.57 6.00 4.50 2.12 4.00 *
5 13.00 1.75 7.31 8 1.12 10.50 5.66 7.44 5.56 2.38 4.50 *
3 8.25 1.25 5.00 8 0.88 6.62 3.57 4.62 3.50 1.81 3.25 *
6 14.00 1.88 8.50 12 1.12 11.50 6.72 8.75 6.63 2.62 4.62 *
10 20.00 2.50 12.75 16 1.38 17.00 10.88 13.50 10.75 3.38 6.00 *
12 22.00 2.62 15.00 20 1.38 19.25 12.88 15.75 12.75 3.62 6.12 *
14 23.75 2.75 16.25 20 1.50 20.75 14.14 17.00 14.00 3.69 6.50 *
16 27.00 3.00 18.50 20 1.63 23.75 16.16 19.50 16.00 4.19 7.00 *
18 29.25 3.25 21.00 20 1.75 25.75 18.18 21.50 18.00 4.62 7.25 *
24 37.00 4.00 27.25 24 2.00 33.00 24.25 28.25 24.00 5.50 8.00 *
8 16.50 2.19 10.62 12 1.25 13.75 8.72 10.75 8.63 3.00 5.25 *
20 32.00 3.50 23.00 24 1.75 28.50 20.20 24.00 20.00 5.00 7.50 *
22 34.25 3.75 25.25 24 1.88 30.63 22.22 26.25 22.00 5.25 7.75 *

B16.5 Class 900 Flange Dimensions In Mm

Nominal Size Outside Diameter
(OD)
Min. Thickness
(T)
RF Diameter
(R)
No. of Bolt Holes Diameter of Holes Bolt Circle
(BC)
SO Bore Inner Diameter
(SB)
Weld neck Bore Inner Diameter
(WB)
Diameter Hub Base
(HB)
Diameter of Hub Top
(HT)
SO LTH
(SL)
WN LTH 
(WL)
3 9.50 1.50 5.00 8 1.00 7.50 3.57 * 5.00 3.50 2.12 4.00
12 24.00 3.12 15.00 20 1.50 21.00 12.88 * 16.50 12.75 4.63 7.88
5 13.75 2.00 7.31 8 1.38 11.00 5.66 * 7.50 5.56 3.12 5.00
6 15.00 2.19 8.50 12 1.25 12.50 6.72 * 9.25 6.63 3.38 5.50
8 18.50 2.50 10.63 12 1.50 15.50 8.72 * 11.75 8.63 4.00 6.38
4 11.50 1.75 6.19 8 1.25 9.25 4.57 * 6.25 4.50 2.75 4.50
10 21.50 2.75 12.75 16 1.50 18.50 10.88 * 14.50 10.75 4.25 7.25
14 25.25 3.38 16.25 20 1.63 22.00 14.14 * 17.75 14.00 5.12 8.38
16 27.75 3.50 18.50 20 1.75 24.25 16.16 * 20.00 16.00 5.25 8.50
18 31.00 4.00 21.00 20 2.00 27.00 18.18 * 22.25 18.00 6.00 9.00
24 41.00 5.50 27.25 20 2.63 35.50 24.25 * 29.50 24.00 8.00 11.50
20 33.75 4.25 23.00 20 2.13 29.50 20.20 * 24.50 20.00 6.25 9.75

Ansi B16 5 Class 1500 Flange Dimensions

Nominal Size Outside Diameter
(OD)
Min. Thickness
(T)
RF Diameter
(R)
No. of Bolt Holes Diameter of Holes Bolt Circle
(BC)
SO Bore Inner Diameter
(SB)
Weld neck Bore Inner Diameter
(WB)
Diameter Hub Base
(HB)
Diameter of Hub Top
(HT)
SO LTH
(SL)
WN LTH 
(WL)
2 8.50 1.50 3.63 8 1.00 6.50 2.44 4.12 2.38 2.25 4.00 *
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 *
1⁄2 4.75 0.88 1.38 4 0.88 3.25 0.88 1.50 0.84 1.25 2.38 *
11⁄2 7.00 1.25 2.88 4 1.12 4.88 1.95 2.75 1.90 1.75 3.25 *
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 *
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 *
8 19.00 3.62 10.63 12 1.75 15.50 11.50 8.63 8.38 *
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 *
24 46.00 8.00 27.25 16 3.63 39.00 30.00 24.00 16.00 *
20 38.75 7.00 23.00 16 3.12 32.75 25.25 20.00 14.00 *

Asme B16.5 Flange Class 2500 Dimensions Tolerances

Buy from ASME B16.5 Lap Joint Flanges manufacturers in India for better price and quality, Check ANSI B16.5 Threaded Flange Pressure Rating, B16 5 Ring Type Joint Flange Dimensions Tolerances
Nominal Size Outside Diameter
(OD)
Minimum Thickness
(T)
RF Diameter
(R)
Number of Bolt Holes Diameter of Holes Bolt Circle
(BC)
SO Bore Inner Diameter
(SB)
Weld neck Bore Inner Diameter
(WB)
Diameter Hub Base
(HB)
Diameter of Hub Top
(HT)
SO LTH
(SL)
WN LTH 
(WL)
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 *
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 *
12 30.00 7.25 15.00 12 2.88 24.38 17.38 12.75 18.25 *
1 6.25 1.38 2.00 4 1.00 4.25 2.25 1.32 1.88 3.50 *
21⁄2 10.50 2.25 4.13 8 1.25 7.75 4.50 2.88 3.12 5.62 *
10 26.50 6.50 12.75 12 2.63 21.25 14.75 10.75 16.50 *
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 *
3 12.00 2.62 5.00 8 1.38 9.00 5.25 3.50 6.62 *
8 21.75 5.00 10.63 12 2.12 17.25 12.00 8.63 12.50 *

Weight Of B16.5 Flange

Nominal Pipe Sizes (NPS) Slip On (SORF) Threaded (NPT) Socket Weld (SWRF) Lap Joint (Loose) Blind (BLRF) Weld Neck (WRNR)
½ 1 1 2 1 2 2
¾ 2 2 2 2 2 2
1 2 2 2 2 2 3
3 3 3 3 3 3
3 3 3 3 4 4
2 5 5 5 5 5 6
8 8 8 8 7 10
3 9 9 9 9 9 11.5
11 12 11 11 13 12
4 13 13 13 13 17 16.5
5 15 15 15 15 20 21
6 19 19 19 19 27 26
8 30 30 30 30 47 42
10 43 43 43 43 70 54
12 64 64 64 64 123 88
14 90 90 90 105 140 114
16 106 98 98 140 180 140
18 130 130 130 160 220 165
20 165 165 165 195 285 197
22 185 185 185 245 355 225
24 220 220 220 275 430 268

Asme B16.5 Flange Pressure Temperature Rating

ANSI 150 LBS 300 LBS 400 LBS 600 LBS 900 LBS 1500 LBS 2500 LBS
-20 to 100 285 740 985 1480 2220 3705 6170
200 260 680 905 1360 2035 3395 5655
400 200 635 845 1265 1900 3170 5280
500 170 605 805 1205 1810 3015 5025
850 65 320 425 535 640 955 2655
1000 20 85 115 170 255 430 715
600 140 570 755 1135 1705 2840 4730
650 125 550 730 1100 1650 2745 4575
700 110 530 710 1060 1590 2655 4425
300 230 655 870 1310 1965 3270 5450
750 95 505 675 1015 1520 2535 4230
800 80 410 550 825 1235 2055 3430
900 50 230 305 460 690 1150 1915
950 35 135 185 275 410 685 1145

B16.5 Flange Tolerances

Asme B16.5 Flange Tolerances
Dimension Flange Tolerance
A Outside Diameter
  • When Outside Diameter is 24 inch or less: ±1/16 inch (1.6mm)
  • When Outside Diameter is over 24": ±1/8" (3.2mm)
D Inside Diameter
  • 10" and smaller: ±1/32" (0.8mm)
  • 12" thru 18": +1/8" (3.2mm)
  • 20" and larger: -1/16" (1.6mm)
B Diameter of contact face
  • 1/16" raised face: ±1/32" (0.8mm)
  • 1/4" Raised Face, Tongue & Groove: ±1/64" (0.4mm)
J Diameter of hub at base
  • When hub base is 24" or smaller: ±1/16" (1.6mm)
  • When hub base is over 24": ±1/8" (3.2mm)
H Diameter of hub at point of welding
  • 5" and smaller: +3/32" (2.4mm), -1/32" (0.8mm)
  • 6" and larger: +5/32" (4.0mm), -1/32 (0.8mm)
P Drilling
  • Bolt circle: ±1/16" (1.6mm)
  • Bolt hole spacing: ±1/32" (0.8mm)
Eccentricity of bolt circle with respect to facing
  • 2 1/2" and smaller ±1/32" (0.8mm) max.
  • 3" and larger ±1/16" (1.6mm) max.
C Thickness
  • 18" and smaller: ±1/8" (3.2mm), -0"
  • 20" and larger: ±3/16" (4.8mm), -0"
K Length of hub
  • 10" and smaller: ±1/16" (1.6mm)
  • 12" and larger: ±1/8" (3.2mm)

ANSI B16 5 Blind Flange Tolerances

ANSI B16 5 Blind Flange Tolerances
Dimension Flange Tolerance
A Outside Diameter
  • When Outside Diameter is 24 Inch or less: ±1/16 Inch (1.6mm)
  • When O.D. is over 24": ±1/8 Inch (3.2mm)
D Inside Diameter
  • Threaded: within limits of boring gauge
  • Lap Joint, Slip-on, Socket
    • 10 Inch and smaller: ±1/32 Inch (0.8mm), 0 inch
    • 12 Inch and larger: -1/16 Inch (1.6mm), 0 inch
B Diameter of contact face
  • 1/16 Inch raised face: ±1/32 Inch (0.8mm)
  • 1/4 Inch Raised Face, Tongue & Groove (male & female): ±1/64 Inch (0.4mm)
E, F, S Diameter of bore
  • Threaded (S): within limits of boring gauge
  • Lap Joint (F), Slip-on (E), Socket (E)
    • 10 Inch and smaller: ±1/32 Inch (0.8mm), 0 inch
    • 12 Inch and larger: -1/16 Inch (1.6mm), 0 inch
P Drilling
  • Bolt circle: ±1/16 Inch (1.6mm)
  • Bolt hole spacing: ±1/32 Inch (0.8mm)
  • Eccentricity of bolt circle with respect to facing
    • 2 1/2 Inch and smaller ±1/32 Inch (0.8mm) max.
    • 3 Inch and larger ±1/16 Inch (1.6mm) max.
C Thickness
  • 18 Inch and smaller: ±1/8 Inch (3.2mm), -0 inch
  • 20 Inch and larger: ±3/16 Inch (4.8mm), -0 inch
L, M Length of hub
  • 18 Inch and smaller: ±1/8 Inch (3.2mm), ±1/32 Inch (0.8mm)
  • 20 Inch and larger: ±3/16 Inch (4.8mm), ±1/16 Inch (1.6mm)

Asme B16.5 Flange Thickness

NPS (Normal Pipe Sizes) Outside Daimeter (O.D.) SCH 10 SCH 20 SCH 30 STD Wall SCH 40 SCH 60 EXT Hvy SCH 80 SCH 100 SCH 120 SCH 140 SCH 160 XX Hvy
½ 0.84 0.083 ... ... 0.109 0.109 ... 0.147 0.147 ... ... ... 0.188 0.294
¾ 1.05 0.083 ... ... 0.113 0.113 ... 0.154 0.154 ... ... ... 0.219 0.308
1 ¼ 1.66 0.109 ... ... 0.14 0.14 ... 0.191 0.191 ... ... ... 0.25 0.382
1 ½ 1.9 0.109 ... ... 0.145 0.145 ... 0.2 0.2 ... ... ... 0.281 0.4
2 2.375 0.109 ... ... 0.154 0.154 ... 0.218 0.218 ... ... ... 0.344 0.436
1 1.315 0.109 ... ... 0.133 0.133 ... 0.179 0.179 ... ... ... 0.25 0.358
2 ½ 2.875 0.12 ... ... 0.203 0.203 ... 0.276 0.276 ... ... ... 0.375 0.552
3 3.5 0.12 ... ... 0.216 0.216 ... 0.3 0.3 ... ... ... 0.438 0.6
4 4.5 0.12 ... ... 0.237 0.237 ... 0.337 0.337 ... 0.438 ... 0.531 0.674
5 5.563 0.134 ... ... 0.258 0.258 ... 0.375 0.375 ... 0.5 ... 0.625 0.75
6 6.625 0.134 ... ... 0.28 0.28 ... 0.432 0.432 ... 0.562 ... 0.719 0.864
8 8.625 0.148 0.25 0.277 0.322 0.322 0.406 0.5 0.5 0.594 0.719 0.812 0.906 0.875
3 ½ 4 0.12 ... ... 0.226 0.226 ... 0.318 0.318 ... ... ... ... 0.636
10 10.75 0.165 0.25 0.307 0.365 0.365 0.5 0.5 0.594 0.719 0.844 1 1.125 1
12 12.75 0.18 0.25 0.33 0.375 0.406 0.562 0.5 0.688 0.844 1 1.125 1.312 1
14 14 0.25 0.312 0.375 0.375 0.438 0.594 0.5 0.75 0.938 1.094 1.25 1.406 ...
16 16 0.25 0.312 0.375 0.375 0.5 0.656 0.5 0.844 1.031 1.219 1.438 1.594 ...
20 20 0.25 0.375 0.5 0.375 0.594 0.812 0.5 1.031 1.281 1.5 1.75 1.969 ...
22 22 0.25 ... ... 0.375 ... ... 0.5 ... ... .... .... .... ....
24 24 0.25 0.375 0.562 0.375 0.688 0.969 0.5 1.219 1.531 1.812 2.062 2.344 ....
26 26 .... .... .... 0.375 .... .... 0.5 .... .... .... .... .... ....
30 30 0.312 0.5 0.625 0.375 .... .... 0.5 .... .... .... .... .... ....
36 36 0.312 0.5 0.625 0.375 0.75 .... 0.5 .... .... .... .... .... ....
40 40 .... .... .... 0.375 .... .... 0.5 .... .... .... .... .... ....
18 18 0.25 0.312 0.438 0.375 0.562 0.75 0.5 0.938 1.156 1.375 1.562 1.781 ...
42 42 …….. …….. …….. 0.375 …….. …….. 0.5 …….. …….. …….. …….. …….. ……..
48 48 …….. …….. …….. 0.375 …….. …….. 0.5 …….. …….. …….. …….. …….. ……..

Check our material dispatch in the following countries

Products We supplied to following Locations
Ansi B16.5 300lbs Wn Flange Sweden, China, Colombia, Malaysia
Asme B16.5 2 1/2" Stainless Steel Blind Flange Dammam -KSA, Belgium, Indonesia, Philippines
Asme B16.5 Forged Bl Rf Blind Large Diameter Stainless Steel Flange Poland, UK, Canada, Ellington -United States
Class 300, 600, 900, 1500 Asme B16.5 Blind Flange Qatar, Thailand, France, Europe
Asme B16.5 6inch Class 1500 Blind Flange Czechia, Malaysia, Germany, Thailand
Asme B16.5 Class 150 Stainless Steel Socket Weld Round Flange Netherlands, Dubai, Malaysia, Russia
2 Inch Blind Flange Class 1500 Asme B16.5 Malaysia, Bangladesh, USA, Finland
B16.5 Class 1500 Rf Carbon Steel Threaded Flange South Africa, Kuwait, Saudi Arabia (KSA), Brazil
Ansi B16.5 Class 150 Flange Bahrain, Singapore, South Africa, Singapore
Asme B16.5 Stainless Steel Threaded Flange Philippines, UK, France, Australia, Nigeria
6" Wn #1500, Sch160 Asme B16.5 Flange Oman, Hong Kong, Malaysia, UAE
Ansi B16.5 Forged Class 150 Welding Neck Flange Chile, Singapore, Italy, Iran
4 Inch Astm B16.5 1500# Blind Flange United Arab Emirates (UAE), Norway, Turkey, Malaysia
Ansi B16.5 Stainless Steel Welding Flange Malaysia, Philippines, Taiwan, Los Alamos -Mexico
Ansi B16.5 Spectacle Blind Flange Egypt, Mexico, Spain, UK
Asme B16.5 Carbon Steel Plate Flat Flange United Kingdom -UK, UAE, Europe, Malaysia
Asme B16.5 4" Sch 120 Class 1500# Flange Philippines, Singapore, Malaysia, Canada
Asme B16.5 Long Welding Neck Flange Europe, Malaysia, Japan, Romania
Ansi B16.5 Class 150 Ss Threaded Flange Singapore, Malaysia, South Korea, NY 12203 (USA)