Universe Metal & Alloy is a leading authority in the Manufacturers, Suppliers, and Exporters of Square Flanges that meet high quality requirements and meet a wide range of industrial applications globally. Because of our unwavering dedication to achieving perfection, every Square Flange that leaves our facilities is the epitome of precise engineering, longevity, and dependability.

Square Flanges play an integral role in pipe-to-pipe assembly and various other components such as elbows, tees, and valves. These essential components are meticulously crafted and seamlessly bolted together to create extended lengths of piping systems. Operating under globally recognized standards such as ANSI, ASME, DIN, and JIS, our Square Flanges are engineered to withstand diverse pressure ratings across different applications.

Compliant with the esteemed JIS B2291 standard, our Square Flanges serve as vital connecting pieces, linking JIS nominal bore size pipes with a remarkable working pressure of approximately 210 KGF/CM2, equivalent to 21MPA. Designed to thrive in high-pressure environments, including steam and hydraulic lines with working pressures up to 3000 PSI, our Square Flanges Exporters are available in three distinct types: LSA, SHAB, and SSAB.

A comprehensive set of Square Flanges comprises male and female flanges along with bolts, with female flanges commonly referred to as A-part, male flanges as B-part, and the combination of both as AB. Notably, the Square Flanges boast a unique feature of being attachable without welding, rendering them ideal for applications demanding elevated temperature and pressure resistance. The unparalleled qualities inherent in our Square Flanges have propelled them to the forefront of demand among discerning users worldwide. From their seamless installation capabilities to their robust performance under extreme conditions, our Square Flanges epitomize reliability and efficiency in every application.

At Universe Metal & Alloy, our commitment to innovation and customer satisfaction drives us to continually enhance our product offerings and exceed industry standards. With a steadfast dedication to quality, reliability, and customer-centric service, we are proud to be your trusted partner in meeting all your Square Flange requirements.

In conclusion, whether you seek top-tier Square Flanges Manufacturers for your industrial applications or require unparalleled expertise and support, Universe Metal & Alloy stands ready to deliver excellence at every turn. Trust us for all your Square Flange needs, and experience the pinnacle of quality, performance, and reliability.

• Specification of Square Flanges

  Square Flange Size Chart	1/2" (15 NB) to 48" (1200NB) DN10~DN5000
  DIN Flanges Standards	ANSI/ASME B16.5, B16.47 Series A & B, B16.48, BS4504, 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, JISB2220, BS1560-3.1, API7S-15, API7S-43, API605, EN1092
  DIN Flanges Pressure Rating ANSI	Class 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS
  Square Blind Flanges Pressure Calculation in DIN	6Bar 10Bar 16Bar 25Bar 40Bar / PN6 PN10 PN16 PN25 PN40, PN64
  JIS	5K, 10 K, 16 K 20 K, 30 K, 40 K, 63 K
  UNI	6Bar 10Bar 16Bar 25Bar 40Bar
  EN	6Bar 10Bar 16Bar 25Bar 40Bar
  Coating	Oil Black Paint, Anti-rust Paint, Zinc Plated, Yellow Transparent, Cold and Hot Dip Galvanized
  Most common types of DIN	Forged / Threaded / Screwed / Plate
  Test Certificates	EN 10204/3.1B Raw Materials Certificate 100% Radiography Test Report Third Party Inspection Report, etc
  Production technique	Forged, Heat treated and machined
  Connect Type/ Flange Face Type	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, , 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
  Test	Direct-reading Spectrograph, Hydrostatic testing machine, X-ray detector, UI trasonic flaw detector, Magnetic particle detector
  Equipment	Press machine, Bending machine, Pushing Machine, electric bevelling machine, Sand-blasting machine etc
  Origin	Indian / West Europe / Japan / USA / Korean
  Manufacturer of	ANSI DIN, GOST, JIS, UNI, BS, AS2129, AWWA, EN, SABS, NFE etc. DIN: -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
  DIN Flanges Uses & application	Bitumen upgraders. Heavy oil refineries. Nuclear power (mostly seamless). Petrochemicals and acids.
  Export to	Ireland, Singapore, Indonesia, Ukraine, Saudi Arabia, Spain, Canada, USA, Brazil, Thailand, Korea, Iran, India, Egypt, Oman, Dubai, Peru, etc
  Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2, Test Certificates certifying NACE MR0103, NACE MR0175

• Material of Square Flange

  Carbon Steel DIN Flanges	ASTM/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 DIN Flanges	ASTM/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 DIN Flanges	ASTM A182 / ASME SA182 F5, F9, F11, F12, F22, F91
  Titanium DIN Flanges	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 DIN Flanges	T1, 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, etc
  Copper Nickel DIN Flanges	ASTM / ASME SB 61 / 62 / 151 / 152, Copper Nickel 90/10 (C70600 ), Cupro Nickel 70/30 (C71500), UNS C71640
  Brass DIN Flanges	3602 / 2604 / H59 / H62 / etc.
  Inconel DIN Flanges	ASTM B564 / ASME SB564, Inconel 600, 601, 625, 718, 783, 690, x750 DIN
  Hastelloy DIN Flanges	ASTM B564 / ASME SB564, Hastelloy C276 (UNS N10276), C22 (UNS N06022), C4, C2000, B2, B3, X Flanges
  Monel DIN Flanges	ASTM B564 / ASME SB564, Monel 400 (UNS No. N04400), Monel 500 (UNS No. N05500)
  Alloy 20 DIN Flanges	ASTM B462 / ASME SB462, Carpenter® 20 Alloy, Alloy 20Cb-3
  Aluminium DIN Flanges	5052 /6061/ 6063 / 2017 / 7075 / etc.
  Nickel DIN Flanges	ASTM B564 / ASME SB564, Nickel 200, Nickel 201, Nickel 205, Nickel 205LC
  Duplex DIN Flanges	S31803 / S32205 A182 Gr F51 / F52 / F53 / F54 / F55 / F57 / F59 / F60 / F61
  Super Duplex DIN Flanges	S32750 / S32760 A182 Gr F51 / F52 / F53 / F54 / F55 / F57 / F59 / F60 / F61
  Incoloy DIN Flanges	ASTM B564 / ASME SB564, Incoloy 800, 800H, 800HT (UNS N08800), 825 (UNS N08825), 925 Flanges
  254 Smo DIN Flanges	ASTM A182 / ASME SA182, SMO 254/6Mo, UNS S31254, DIN 1.4547
  Nimonic DIN Flanges	Nimonic 75, Nimonic 80A, Nimonic 90
  Other DIN Flanges material	Tin bronze, Alumunum bronze, Lead bronze

• Weight Chart Of Square Flange

  NPS (Inches)	DN (mm)	FLANGE OD A MM	FLANGE THICKNESS D MM	SLIP ON FLANGE WEIGHT (KGS)	WELD NECK FLANGE WEIGHT (KGS)	BLIND FLANGE WEIGHT (KGS)
  1/ 2	15	88.9	11.2	0.4	0.5	0.4
  3/ 4	20	98.6	12.7	0.6	0.7	0.6
  1	25	108	14.2	0.8	1	0.9
  1 1/ 4	32	117.3	15.7	1	1.3	1.2
  1 1/ 2	40	127	17.5	1.3	1.7	1.5
  2	50	152.4	19.1	2.1	2.6	2.4
  2 1/ 2	65	177.8	22.4	3.3	4.1	3.9
  3	80	190.5	23.9	3.9	4.9	4.9
  3 1/ 2	90	215.9	23.9	4.8	6.1	6.2
  4	100	228.6	23.9	5.3	6.8	7.0
  5	125	254	23.9	6.1	8.6	8.6
  6	150	279.4	25.4	7.5	10.6	11.3
  8	200	342.9	28.4	12.1	17.6	19.6
  10	250	406.4	30.2	16.5	24	28.6
  12	300	482.6	31.8	26.2	36.5	43.2
  14	350	533.4	35.1	34.6	48.4	58.1
  16	400	596.9	36.6	44.8	60.6	76.1
  18	450	635	39.6	48.9	68.3	93.7
  20	500	698.5	42.9	61.9	84.5	122.0
  24	600	812.8	47.8	86.9	115	185.0

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