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ANSI B16.5 Class 400 Flanges

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Easy Installation

Strong Durability

Cost
Effective

Heat Resistance

Excellent Weldability

Corrosion Resistance

Hudson Flanges is a leading manufacturer and distributor specializing in high-quality 400 LBS flanges. With years of expertise, we provide robust and reliable flanges designed to withstand demanding industrial applications. Our 400 LBS flanges are available in a range of sizes and materials, ensuring optimal performance and durability in high-pressure environments. Whether you’re in the oil, gas, or chemical industry, Hudson Flanges offers precision-engineered products that meet rigorous standards. With a commitment to excellence and customer satisfaction, we deliver timely solutions for all your flange needs, making us the trusted choice for industrial-grade flanges.

Raised Face Class 400 Flanges In UK, ANSI B16.5 400 LBS Pipe Flange United kingdom, 400 LBS Flange Midland, 400 LB Plate Flange West Midland, ANSI B16.5 Class 400 Forged Flanges Liversedge, ANSI B16.5 Class 400 Flange Birmingham, AWWA Class 400 Flanges Manufacturer in Nottingham.

400 LBS Flanges In UK

400 LBS Flanges

Raised Face Class 400 Flanges In UK

Raised Face Class 400 Flanges

ANSI B16.5 400 LBS Pipe Flange

400 LBS flanges are typically made from carbon steel, stainless steel, or alloy materials, ensuring strength and resistance to corrosion. They are designed to handle high-pressure systems, with a pressure rating of 400 lbs per square inch at room temperature. The mechanical properties include high tensile strength, good yield strength, and durability at elevated temperatures. Advantages of 400 LBS flanges include their reliability in heavy-duty applications, resistance to leaks, ease of installation, and long-lasting performance in high-pressure environments, making them ideal for industrial sectors like oil, gas, and chemical processing.

Table of Contents

400 LBS Flanges Supplier in UK, 400 LBS Flanges Manufacturer in United kingdom, 400 LBS Flanges Supplier in Midland, 400 LBS Flanges Stockist in West Midland, 400 LBS Flanges Stockist in Liversedge, 400 LBS Flanges Manufacturer in Birmingham, 400 LBS Flanges Nottingham.

Largest ANSI B16.5 Class 400 Flanges Supplier in Midland, UK

Hudson Flanges, a leading supplier in Midland, UK, offers an extensive selection of ANSI B16.5 Class 400 Flanges, including weld neck flanges, slip-on flanges, blind flanges, threaded flanges, and lap joint flanges. Designed for diverse industrial applications, our high-quality inventory and commitment to exceptional service make us a trusted choice for flange products in the region. 

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We offer These Flanges as per DIN, ISO, JIS or ANSI Standard.

ANSI B16.5 Class 400 Flanges Specification

Size Range1/2″ (15 NB) to 48″ (1200NB) DN10~DN5000
StandardsB16.47 Series A & B, ANSI/ASME B16.5, BS4504, B16.48, EN-1092, BS 10, DIN, ANSI Flanges, BS Flanges, ASME Flanges, EN Flanges, DIN Flanges, GOST Flanges.
DIN6Bar 10Bar 16Bar 25Bar 40Bar / PN6 PN10 PN16 PN25 PN40, PN64
JIS5K, 10 K, 16 K 20 K, 30 K, 40 K, 63 K
UNI6Bar 10Bar 16Bar 25Bar 40Bar
EN6Bar 10Bar 16Bar 25Bar 40Bar
Main TypesThreaded / Forged / Plate /Screwed
Flange supporting materialRing Joint, Gasket, Flange Bolts
Test CertificatesEN 10204/3.1B
Raw Materials Certificate
100% Radiography Test Report
Third Party Inspection Report, etc
Most Common Types
  • Slip-On Ring Flange (SORF), Class 400
  • Weld Neck Ring Flange (WNRF), Class 400
  • Threaded Ring Flange, Class 400
  • Socket Weld Ring Flange (SWRF), Class 400
  • Blind Ring Flange (BLRF), Class 400
  • Ring Type Joint Flange (RTJF), Class 400
  • Lap Joint Ring Flange (LJRF), Class 400
Production technique
  • Forged, Heat treated and machined
Connect Type/ Flange Face TypeRing Type Joint (RTJ), Raised Face (RF),Large Male-Female (LMF), Flat Face (FF),Small Male-Female (SMF), Lap-Joint Face (LJF), Large Tongue & Groove, Small Tongue, Groove
Special designAs per your drawing
AS, ANSI, BS, DIN and JIS
15 NB (1/2″) to 200 NB (8″)
Equal and Reducing Configurations
Class 400 Threaded Flange, Socketweld Flange, Slip-On Flange, Blind Flange, Weld Neck Flange 
TestDirect-reading Spectrograph, Hydrostatic testing machine, X-ray detector, UI trasonic flaw detector, Magnetic particle detector
EquipmentBending machine, Press machine, electric bevelling machine, Pushing Machine, Sand-blasting machine etc
OriginIndian / West Europe / Japan / USA / Korean
Specialized Manufacturer of
  • Class 400 Blind Flanges
  • Class 400 Large Diameter Flange
  • Class 400 Table Flanges
  • Class 400 Sorf Flange
  • Class 400 Socketweld Flanges
  • Class 400 Threaded Flanges
  • Class 400 Weld Neck Flanges
  • Class 400 Slip-On Flanges
  • Class 400 Loose Flanges
  • Class 400 AS 4087 Water Flanges
  • Class 400 Lap Joint Flanges
  • Class 400 Plate Flanges
  • Class 400 Orifice Flanges
StandardANSI DIN, GOST, JIS, UNI, BS, AS2129, AWWA, EN, SABS, NFE etc.
BS Flange, EN Flange, API 6A Flange, ANSI Flange, ASME Flange, DIN Flange, EN1092-1 Flange, UNI Flange, JIS/ KS Flange, BS4504 Flange, GB Flange, AWWA C207 Flange, GOST Flange, PSI Flange
  • ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings
  • AS 2129: Table D; Table E; Table H
  • B.S: BS4504 , BS3293, BS1560, BS10
  • ANSI B16.5, ANSI B16.47, MSS SP44, ANSI B16.36, ANSI B16.48
  • ANSI : ANSI B16.5, ANSI B16.47(API605), MSS SP44, ANSI B16.36, ANSI B16.48
  • German (DIN)
  • American standard (ANSI)
  • Any other specialized flanges
  • British standard (BS)
  • The other standard : AWWA C207; EN1092-1, GOST12820, JIS B2220; KS B1503, SABS1123; NFE29203;UNI2276
  • DIN: DIN 2527, DIN 2566, DIN 2573, DIN 2576, DIN 2641, DIN 2642, DIN 2655, DIN 2656, DIN 2627, DIN 2628, DIN 2629, DIN 2631, DIN 2632, DIN 2633, DIN 2634, DIN 2635, DIN 2636, DIN 2637, DIN 2638

ANSI B16.5 Class 400 Flanges Dimensions

CLASS Nominal Pipe Size Slip On Threaded Socket Weld Lap Joint Blind Weld Neck
400 lb 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

400 LBS flanges are widely used in high-pressure piping systems across various industries, including oil and gas, chemical processing, power generation, and water treatment. They are essential for connecting pipes, valves, pumps, and other equipment, ensuring leak-proof and secure joints. These flanges are ideal for applications that require robust performance under extreme pressure and temperature conditions. Common uses include steam lines, hydraulic systems, high-pressure gas lines, and refineries, where their durability, strength, and resistance to corrosion provide reliable, long-lasting connections in demanding environments.

Raised Face Class 400 Flanges In UK, ANSI B16.5 400 LBS Pipe Flange United kingdom, 400 LBS Flange Midland, 400 LB Plate Flange West Midland, ANSI B16.5 Class 400 Forged Flanges Liversedge, ANSI B16.5 Class 400 Flange Birmingham, AWWA Class 400 Flanges Manufacturer in Nottingham.

Types of ANSI B16.5 Class 400 Flanges

ANSI B16.5 Class 400 Forged Flanges In UK
ANSI B16.5 Class 400 Forged Flanges
SS Class 400 Flanges In UK
SS Class 400 Flanges
ANSI B16.5 Class 400 Flange
400 LBS Flanges In UK
400 LBS Flanges
AWWA Class 400 Flanges
400 LB Plate Flange In UK
400 LB Plate Flange

Are Custom Sizes Available for 400 LBS Flanges?

Yes, we offer custom sizes for ANSI B16.5 Class 400 Flanges to meet specific project needs. Our team at Hudson Flanges is committed to providing tailored solutions for all your requirements. For more details, contact us at sales@hudsonflanges.co.uk.

Material Testing

We are renowned for delivering products with precise, accurate dimensions. Each product undergoes thorough testing, both destructive and non-destructive, to ensure quality before being shipped to our customers.

400 LBS Flanges Supplier in UK, 400 LBS Flanges Manufacturer in United kingdom, 400 LBS Flanges Supplier in Midland, 400 LBS Flanges Stockist in West Midland, 400 LBS Flanges Stockist in Liversedge, 400 LBS Flanges Manufacturer in Birmingham, 400 LBS Flanges Nottingham.

Application Industry of ANSI B16.5 Class 400 Flanges

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