Site icon Marcel Piping Projects Supply PVT. LTD.

Companion Flange Manufacturer

Specialized Companion Flange Manufacturer, ASME B16.1 Companion Flange Dimensions.

Marcel Piping Projects Supply PVT LTD is dominant Manufacturers, Stockists, Suppliers, and Exporters of Threaded Companion Flange in India. It’s a steel flange threaded internally to enter a pipe length and drilled so it may be bolted to another flange. Companion flange range conform to ASME B16.1. Hot- dipped galvanized flanges conform to ASTM A 153. Companion flanges rig conform to ASME B1.20.1. The term Companion refer to any steel flange that fits together in Companion to another steel flange. We casually describe all loose flanges ( meaning not integral with an equipment body), with the sealing outside on one side and a pipe thread entrance on the other, as Companion Flanges. We call blind, threaded, test, and weld neck flanges, “ Companion Flanges”. Only flanges with drilled through bolt circle holes fit this class.

API Spec 6A, classify the flanges sometimes called Companion Flanges as “ loose connectors” or “ loose flanges”, and the description of this class includes blind, threaded, test, and weld neck flanges, as well as those with valve end super studs. We also offer a Van Stone Flange that allow for easy aligning because it has independent flange that rotate around the hub.

We stock a complete line of standard size companion flange with rough drag that we machine to fit your spline & keyed shafts. We’ve the capability to drag and key from DIN 58 mm to 390 mm, and from SAE 1310 to 1950 series, as well as spline bores and cross-serrate flange faces to fit your particular application. We also have machining capabilities that allow us to do special order jobs on material up to 750 mm.

We are one of the largest stockist in india having wide array of ASME B16.1 Companion Flange, API 6A Companion Flange, Companion Angle Flange, Threaded Companion Flange, Brass Companion Flange, Copper Companion Flange, Companion Blind Flange, Companion Flange Raised Face, Galvanized Companion Flange, Grooved Companion Flange, NP231 & NP205 Companion Flange, Reducing Threaded Companion Flange, so that we can provide on time delivery to our valuable clients in USA, UK, Qatar, Mexico, Nigeria, Saudi Arabia, Kuwait, Iran, Kazakhstan, Bahrain, Vietnam, Indonesia, Norway, Ghana, Colombia, Azerbaijan, Libya.

Companion Flange Manufacturer
Companion Flange Manufacturer in Mumbai, India
Companion Flange Supplier in Mumbai, India

We are ISO Certified Manufacturer and Stockist of Companion Flange in Stainless Steel, Carbon Steel, Mild Steel, Alloy Steel, Duplex Steel, Super Duplex Steel, Hastelloy, Monel, Copper Nickel, Inconel, Incoloy, Nickel Alloy, Alloy 20, 254 Smo, Titaniun, Bronze, Aluminium, Brass at Reasonable Price.

We are Leading Exporter and Supplier of ASME B16.1 Threaded Companion Flange, API 6A Companion Blind Flange, Raised Face and Flat Face Companion Flange, Reducing Companion Flange, Galvanized Companion Flange, Grooved Companion Flange in all Dimensions.

Companion Flange Standard Specifications
Companion Flange Specification Chart

Product Name Companion Flange
Size Range 1/2′ (15 NB) to 48′ (1200NB) DN10~DN5000
Thickness 0.6mm to 20mm
Dimensions Companion flange dimensions conform to ASME B16.1
Galvanized Hot-dipped galvanized flanges conform to ASTM A153
Threads Companion flanges threads conform to ASME B1.20.1
Flange Face Types / Connection Type Flat Face Flange (FF), Raised Face Flange (RF), Ring Joint Flange (RTJ), Lap Joint Flange, Male and Female Flange (M&F), Large and Small Tongue-and-Groove Flange (T&G)
Dimensions ANSI B16.5, ANSI B16.47 Series A & B, ASA, API-605, MSS SP44, AWWA, Custom Drawings
Custom Design As per your drawing | AS, BS, ANSI, DIN, JIS | Equal and Reducing Configurations
Material Test Certificates (MTC) As per EN 10204 3.2 and EN 10204 3.1, Test Certificates certifying NACE MR0175, NACE MR0103
Test Certificates 100% Radiography Test Report, EN 10204/3.1B, Raw Materials Certificate, Third Party Inspection Report, etc
Tests Hydrostatic testing machine, Direct-reading Spectrograph, UI trasonic flaw detector, X-ray detector, Magnetic particle detector
Equipment / Machines Press machine, Pushing Machine, Bending machine, Sand-blasting machine, electric bevelling machine, etc.
Coating Anti-rust Paint, Oil Black Paint, Yellow Transparent, Zinc Plated, Cold and Hot Dip Galvanized
Origin Indian / USA / Japan / West Europe / Korean
Applications/Usage Offshore, Oil Field, Shipbuilding, Water System, Natural Gas, Pipe Projects, Electric Power, etc.
Top Export Network USA, UK, Qatar, Mexico, Nigeria, Saudi Arabia, Kuwait, Iran, Kazakhstan, Bahrain, Vietnam, Indonesia, Norway, Ghana, Colombia, Azerbaijan, Libya.

Companion Flange Sizes: 1310, 1350, 1410, 1480, 1550, 1610, 1710, 1810, 1880

Companion Flanges
Size Format A B E F L1 D1 d1 L2 d2
1310 in 3.88 2.38 0.08 0.38 2 2.44 1.69 2.5 2.38
1310 mm 98.6 60.5 2 9.7 50.8 62 42.9 63.5 60.5
1350 in 4.63 2.75 0.08 0.5 2 2.88 1.88 3 2.75
1350 mm 117.6 69.9 2 12.7 50.8 73.2 47.8 76.2 69.9
1410 in 4.63 2.75 0.08 0.5 2 2.88 1.88 3 2.75
1410 mm 117.6 69.9 2 12.7 50.8 73.2 47.8 76.2 69.9
1480 in 5.88 3.75 0.08 0.38 2.5 3.75 2.44 3.5 3.75
1480 mm 149.4 95.3 2 9.7 63.5 95.3 62 88.9 95.3
1550 in 5.88 3.75 0.08 0.38 2.5 3.75 2.44 3.5 3.75
1550 mm 149.4 95.3 2 9.7 63.5 95.3 62 88.9 95.3
1610 in 6.88 6.62 0.04 0.38 3.5 5.25 3.5 5 4.75
1610 mm 174.8 168.1 1 9.7 88.9 133.4 88.9 127 120.7
1710 in 8 7.75 0.04 0.38 4 6.38 4 6 5.5
1710 mm 203.2 196.9 1 9.7 101.6 162.1 101.6 152.4 139.7
1810 in 8 7.75 0.04 0.5 4 6.38 4 6 5.5
1810 mm 203.2 196.9 1 12.7 101.6 162.1 101.6 152.4 139.7
1880 in 9.63 7 0.11 0.38 4.5 6.88 4.5 6 6.5
1880 mm 244.6 177.8 2.8 9.7 114.3 174.8 114.3 152.4 165.1

Companion Flange Material Grades
Companion Flange Material Standard

Stainless Steel Companion Flange ASTM/ASME A/SA182:- F304, F304L, F316, F316L, ASTM/ASME A/SA351:- CF3, CF3M, CF8, CF8M, DIN 1.4306, DIN 1.4301, DIN 1.4404, DIN 1.4401, DIN 1.4408, DIN 1.4308, DIN 1.4306, DIN 1.4409
Duplex Companion Flange S31803 / S32205 A182:- Gr F51 / F52 / F53 / F54 / F55 / F57 / F59 / F60 / F61
Super Duplex Companion Flange S32750 / S32760 A182:- Gr F51 / F52 / F53 / F54 / F55 / F57 / F59 / F60 / F61
Copper Nickel Companion Flange ASTM / ASME SB 61 / 62 / 151 / 152, Copper Nickel 90/10 (C70600 ), Cupro Nickel 70/30 (C71500), UNS C71640
Titanium Companion Flange ASTM 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 Companion Flange TP1, TP2, C10930, C11000, C11300, C11400, C11500, C11600, C12000, C12200, C12300, T1, T2, C10100, C10200, C10300, C10400, C10500, C10700, C10800, C10910, C10920, 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, etc
Incoloy Companion Flange ASTM B564 / ASME SB564:- Incoloy 800, 800H, 800HT (UNS N08800), 825 (UNS N08825), 925
Inconel Companion Flange ASTM B564 / ASME SB564:- Inconel 600, 601, 625, 718, 783, 690, x750
Nickel Companion Flange ASTM B564 / ASME SB564:- Nickel 200, Nickel 201, Nickel 205, Nickel 205LC
Hastelloy Companion Flange ASTM B564 / ASME SB564:- Hastelloy C276 (UNS N10276), C22 (UNS N06022), C4, C2000, B2, B3, X
Monel Companion Flange ASTM B564 / ASME SB564:- Monel 400 (UNS No. N04400), Monel 500 (UNS No. N05500)
Carbon Steel Companion Flange ASTM/ASME A/SA105 A/SA105N and A/SA216-WCB, DIN 1.0460, DIN 1.0402, DIN 1.0619, Die Steel, ASTM A105 / ASME SA105, A105N, ASTM A350 LF2 / ASME SA350, CS High Yield ASTM A694 / A694 (F52, F56, F60, F65, F70, F80)
Alloy Steel Companion Flange ASTM A182 / ASME SA182:- F5, F9, F11, F12, F22, F91
Alloy 20 Companion Flange ASTM B462 / ASME SB462:- Carpenter® 20 Alloy, Alloy 20Cb-3
254 SMO Companion Flange ASTM A182 / ASME SA182:- SMO 254/6Mo, UNS S31254, DIN 1.4547
Aluminium Companion Flange 5052 /6061/ 6063 / 2017 / 7075 / etc.
Brass Companion Flange 3602 / 2604 / H59 / H62 / etc.
Other Companion Flange material Tin bronze, Alumunum bronze, Lead bronze, Nimonic 75, Nimonic 80A, Nimonic 90, AISI 4140, AISI 4130, Mild Steel, Al6XN Flanges

Companion Flange Standards
Companion Flange Standard Dimensions

Companion Flange Dimensions
For High Bearing Life Series

Flange A mm 90 100 120 150 180-8 180-10 225 250 285 315 350 390 435
Bolt Circle B mm 74.5 84 101.5 130 155.5 155.5 196 218 245 280 310 345 385
Pilot C mm 47 57 75 90 110 110 140 140 175 175 220 250 280
Pilot Height D mm 2.2 2.2 2.2 2.5 2.7 2.7 4 5 6 6 7 7 9
Hardware   mm M8 M8 M10 M12 M14 M16 M16 M18 M20 M22 M22 M24 M27
# Bolts     4 6 8 8 8 10 8 8 8 8 10 10 10

Companion Flange SF Style (Standard Flange)

Max. Bore   in 1.562 1.750 2.188 2.875 3.500 3.500 4.500 4.937 5.562 6.500 6.250 7.250 9.125
Std. Length E in 2.00 2.00 2.50 3.00 4.00 4.00 5.50 6.0 7.0 8.0 9.00 10.00 11.00
Hub Dia F in 2.417 2.562 3.250 4.312 5.187 5.125 6.687 7.437 8.406 9.687 10.88 12.09 13.47
Web G in .312 .375 .375 .375 .500 .500 .625 .750 .812 .875 1.00 1.12 1.25

Companion Flange SLF Style (Special Large Flange)

Max. Bore   In 1.750 2.000 2.750 3.375 4.125 4.125 5.250 5.250 6.500 6.500 8.250 9.375 10.50
Std Length E in 2.50 2.50 3.00 4.00 4.50 4.50 7.25 8.25 9.375 10.25 11.25 As required As required

Companion Flange SLF-OS Style (Special Large Oversized Flange)

Max. Bore   In 2.250 2.625 3.125 3.937 4.500 4.500 5.875 6.562 7.500 8.250 9.250 10.25 11.50
Std Length E in 2.50 2.50 3.00 4.00 4.50 4.50 7.25 8.25 9.375 10.25 11.25 As required As required
Through Hole H In 2.375 2.375 2.875 3.750 4.250 4.250 7.00 7.875 9.000 9.875 10.75

Companion Flange Dimensions
For High Torque Series

Flange A mm 225 250 285 315 350 390 435 480 550
Bolt circle B mm 196 218 245 280 310 345 385 425 492
Pilot C mm 105 105 125 130 155 170 190 205 250
Pilot Height D mm 4.5 5 6 7 7 8 10 12 12
Hardware   mm M16 M18 M20 M22 M22 M24 M27 M30 M30
# Bolts     8 8 8 10 10 10 16 16 16
Key Width X mm 32 40 40 40 50 70 80 90 100
Key Depth Y mm 9 12.5 15 15 16 18 20 22.5 22.5

Companion Flange SF Style (Standard Flange)

Max. Bore   In 4.437 4.937 5.562 6.437 7.250 8.000 8.937 9.375 11.500
Std Length E in 5.500 6.000 7.000 8.000 9.000 10.000 11.000 As required As required
Hub Dia. F in 6.687 7.437 8.375 9.656 10.843 12.078 13.453 14.844 17.484
Web G in .812 1.000 1.062 1.250 1.375 1.625 1.687 1.875 2.000
Through Hole H In 4.63 5.000 5.875 6.875 7.875 8.750 9.687

Companion Flange SLF Style (Special Large Flange)

Max. Bore   In 5.875 6.625 7.500 8.250 9.125 10.250 11.375 12.500 14.250
Std Length E in 7.375 8.000 9.000 10.000 11.000 12.000 12.000 As required As required
Through Hole H In 6.500 7.000 7.875 8.875 9.875 10.750 10.688

In Stock Flange Types
Flanges Price in India

Weld Neck Flange
Long Weld Neck Flange
Slip On Flange
Spectacle Blind Flanges
Socket Weld Flanges
Blind Flanges / Dummy Flange
Screwed / Threaded Flanges
Orifice Flanges
Lap Joint Flanges
ANSI B16.5 Square Flanges
Ring Type Joint Flanges
Tongue and Groove Flange
Expander Flanges
Reducing Flanges
ASME B16.5 Male & Female Flanges
Weldolet Flange
Nipolet Flange
Backing Ring Flanges
Ring Spacer Flanges
Paddle Blind Flanges
Plate Flange
High Hub Blind Flange
Custom Flanges
Swivel Ring Flange

Note: Flanges Prices are depended on Material Grades, Standards, Dimensions, Sizes, Order Quantity, etc. Prices Mentioned on website are for referance purpose only. To get market leading prices for Companion Flange contact us now.

Companion Flange Industries and Applications
Companion Flange Applications

  • Pumps, Valves, and vessels in manufacturing and food processing.
  • Pipe connections in industrial waterworks.
  • Heat exchangers and heating systems of all sizes.
  • Mining support.
  • Nuclear power systems.
  • Plumbing and mechanical systems.
  • Assemblies in the oil, gas, and petrochemical industries.
  • Fire protection systems.

Companion Flange Supply and Export Network
List of Cities and Countries







Afghanistan Algeria Angola Argentina
Australia Austria Azerbaijan Bahrain
Bangladesh Belarus Belgium Bhutan
Bolivia Brazil Bulgaria Canada
Chile China Colombia Costa Rica
Croatia Czech Republic Aberdeen Abu Dhabi
Ahmedabad Ahvaz Al Jubail Al Khobar
Algiers Ankara Atyrau Bangkok
Bengaluru Bhopal Bogota Brisbane
Busan Cairo Calgary Caracas
Chandigarh Chennai Chiyoda Coimbatore
Colombo Courbevoie
Denmark Ecuador Egypt Estonia
Finland France Gabon Ghana
Greece Hong Kong Hungary India
Indonesia Iran Iraq Israel
Italy Japan Jordan Dallas
Dammam Doha Dubai Edmonton
Ernakulam Faridabad Geoje-si Gimhae-si
Granada Gurgaon Hanoi Haryana
Ho Chi Minh City Hong Kong Houston Howrah
Hyderabad Indore Istanbul Jakarta
Jeddah
Kazakhstan Kenya Kuwait Lebanon
Libya Lithuania Malaysia Mexico
Mongolia Morocco Netherlands New Zealand
Nigeria Norway Oman Pakistan
Peru Philippines Poland Portugal
Qatar Romania Russia Karachi
Kolkata Kuala Lumpur Kuwait City La Victoria
Lagos Lahore London Los Angeles
Ludhiana Madrid Manama Melbourne
Mexico City Milan Montreal Moscow
Mumbai Muscat Navi Mumbai New Delhi
New York Noida Perth Petaling Jaya
Pimpri-Chinchwad Port-of-Spain Pune Rajkot
Rio de Janeiro Riyadh
Saudi Arabia Serbia Singapore Slovakia
South Africa South Korea Spain Sri Lanka
Sweden Switzerland Taiwan Thailand
Trinidad & Tobago Tunisia Turkey Ukraine
United Arab Emirates (UAE) United Kingdom (UK) United States (US) Venezuela
Vietnam Yemen Santiago Secunderabad
Seoul Sharjah Singapore Surat
Sydney Tehran Thane Thiruvananthapuram
Toronto Ulsan Vadodara Visakhapatnam
Vung Tau
Exit mobile version