Flat Flanges

Shiv Shakti Forge is a top manufacturer, supplier, and exporter of ASME 16.5 flat flanges in India, offering precise measurements for flat face, flat oval, exhaust, flat face pipe, blind, and slip-on types. They provide some of the cheapest Class 150 flat flanges, including DIN standard flat face slip-on, flat loose, and raised face flanges in PN6, PN10, and PN16 ratings, as per standard 2576. The flat face flange features a gasket surface aligned with the bolting circle face and is commonly used when the mating flange or fitting is cast.

Flat Flange Specification
ASME B16.5 Flat Flange Size Chart1/2″ (15 NB) to 48″ (1200NB) DN10~DN5000
Flat Flange StandardsANSI/ASME B16.5, B16.47 Series A & B, B16.48, BS 4504, BS 10, EN-1092, DIN, ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, GOST Flange, ASME/ANSI B16.5/16.36/16.47A/16.47B, MSS S44, ISO70051, JIS B2220, BS1560-3.1, API7S-15, API7S-43, API605, EN1092
Flat Flange Pressure Rating ANSIClass 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS
Flat Flange Pressure Calculation in 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
CoatingOil Black Paint, Anti-rust Paint, Zinc Plated, Yellow Transparent, Cold and Hot Dip Galvanized
Most common types of Flat FlangeForged / Threaded / Screwed / Plate
Test CertificatesEN 10204/3.1B
Raw Materials Certificate
100% Radiography Test Report
Third-Party Inspection Report, production production
Production technique
  • Forged, Heat treated, and machined
Connect Type/ Flange Face TypeFlange Finish Types: Raised Face (RF), Ring Type Joint (RTJ), Flat Face (FF), Large Male-Female (LMF), Lap-Joint Face (LJF), Small Male-Female (SMF), Small Tongue, Large Tongue & Groove
Special design

As per your drawing

AS, ANSI, BS, DIN ,and JIS
15 NB (1/2″) to 200 NB (8″)
Equal and Reducing Configurations

TestDirect-reading Spectrograph, Hydrostatic testing machine, X-ray detector, UI ultrasonic flaw detector, Magnetic particle detector
EquipmentPress machine, Bending machine, Pushing Machine, electric bevelling machine, Sand-blasting machine etc
OriginIndian / West Europe / Japan / USA / Korean
Manufacturer of ANSI

ANSI DIN, GOST, JIS, UNI, BS, AS2129, AWWA, EN, SABS, NFE, etc.
Flat Flange: -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

  • B.S: BS4504 , BS3293, BS1560, BS10
  • AS 2129: Table D; Table E; Table H
  • ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings
  • ANSI : ANSI B16.5, ANSI B16.47(API605), MSS SP44, ANSI B16.36, ANSI B16.48
  • ANSI B16.5, ANSI B16.47, MSS SP44, ANSI B16.36, ANSI B16.48
  • American standard (ANSI)
  • German (DIN)
  • British standard (BS)
  • 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 Flat Flange
  • The other standard: AWWA C207; EN1092-1, GOST12820, JIS B2220; KS B1503, SABS1123; NFE29203; UNI2276
Flat Flange Uses & application
  • Bitumen upgraders.
  • Heavy oil refineries.
  • Nuclear power (mostly seamless).
  • Petrochemicals and acidsMumbai Mumbai
Export to MumbaiMumbai, Pune, Chennai, Delhi, India, Uae, Malaysia, Qatar, Singapore, Philippines, Abu Dhabi, Dubai, Ahmedabad, China, Europe, Johor, South Africa, Metro Manila, UK, and Africa material
 

Flat Flange Material

Prestige quality Flat Flange manufacturers in India offer these Carbon Steel Flat Flanges in DIN, EN, BS, ISO, JIS, or ANSI standards.

Carbon Steel Flat FlangeASTM/ASME A/SA105 A/SA105N & A/SA216-WCB, DIN 1.0402, DIN 1.0460, DIN 1.0619, Die Steel, ASTM A105 / ASME SA105, A105N, ASTM A350 LF2 / ASME SA350, High Yield CS ASTM A694 / A694 (F52 F56 F60 F65 F70 F80)
Stainless Steel Flat FlangeASTM/ASME A/SA182 F304, F304L, F316, F316L, ASTM/ASME A/SA351 CF8, CF3, CF8M, CF3M, DIN 1.4301, DIN 1.4306, DIN 1.4401, DIN 1.4404, DIN 1.4308, DIN 1.4408, DIN 1.4306, DIN 1.4409
Alloy Steel Flat FlangeASTM A182 / ASME SA182 F5, F9, F11, F12, F22, F91
Titanium Flat FlangeASTM B381 / ASME SB381, Titanium Gr. 1, Titanium Gr. 2, Titanium Gr. 4, Titanium Gr. 5, Titanium Gr. 7
ASTM  R50250/GR.1 | R50400/GR.2 | R50550/GR.3 | R50700/GR.4 | GR.6 |R52400/GR.7 | R53400/GR.12 | R56320/GR.9 |R56400/GR.5
Copper Flat FlangeT1, T2, C10100, C10200, C10300, C10400, C10500, C10700, C10800, C10910, C10920, TP1, TP2, C10930, C11000, C11300, C11400, C11500, C11600, C12000, C12200, C12300, TU1, TU2, C12500, C14200, C14420, C14500, C14510, C14520, C14530, C17200, C19200, C21000, C23000, C26000, C27000, C27400, C28000, C33000, C33200, C37000, C44300, C44400, C44500, C60800, C63020, C68700, C70400, C70600, C70620, C71000, C71500, C71520, C71640, copper
Copper Nickel Flat FlangeASTM / ASME SB 61 / 62 / 151 / 152, Copper Nickel 90/10 (C70600 ), Cupro Nickel 70/30 (C71500), UNS C71640
Brass Flat Flange3602 / 2604 / H59 / H62 / etc.
Inconel Flat FlangeASTM B564 / ASME SB564, Inconel 600, 601, 625, 718, 783, 690, x750 Flat Flange
Hastelloy Flat FlangeASTM B564 / ASME SB564, Hastelloy C276 (UNS N10276), C22 (UNS N06022), C4, C2000, B2, B3, X Flanges
Monel Flat FlangeASTM B564 / ASME SB564, Monel 400 (UNS No. N04400), Monel 500 (UNS No. N05500)
Alloy 20 Flat FlangeASTM B462 / ASME SB462, Carpenter® 20 Alloy, Alloy 20Cb-3
Aluminium Flat Flange5052 /6061/ 6063 / 2017 / 7075 / etc.
Nickel Flat FlangeASTM B564 / ASME SB564, Nickel 200, Nickel 201, Nickel 205, Nickel 205LC
Duplex Flat FlangeS31803 / S32205 A182 Gr F51 / F52 / F53 / F54 / F55 / F57 / F59 / F60 / F61
Super Duplex Flat FlangeS32750 / S32760 A182 Gr F51 / F52 / F53 / F54 / F55 / F57 / F59 / F60 / F61
Incoloy Flat FlangeASTM B564 / ASME SB564, Incoloy 800, 800H, 800HT (UNS N08800), 825 (UNS N08825), 925 Flanges
254 Smo Flat FlangeASTM A182 / ASME SA182, SMO 254/6Mo, UNS S31254, DIN 1.4547
Nimonic Flat FlangeNimonic 75, Nimonic 80A, Nimonic 90
Other Flat Flange materialTin bronze, Alumunum bronze, Lead bronze

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Shiv Shakti Forge manufactures industrial steel flanges using the finest quality raw materials and advanced production methods. Designed for durability and reliability, our flanges are widely used across numerous industries. 

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Shop No. 23, Bhagyashree Building, 2nd Parshiwada, V P Road, Girgaon, Mumbai 400004, Maharashtra, India.

Mob : +91 9983923435 | +91 9930195263   
Phone:   022-67496352

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Website: www.shivshaktiforge.com | 

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