Tongue & Groove Flange

Teshi Fittings, a premier manufacturer of pipe fittings, offers high-quality Threaded Flanges designed for various industries including Petroleum, Chemical, Hydraulic, Food, and more. Crafted with meticulous precision and adherence to international quality standards, our Threaded Flanges provide secure and versatile connections for piping systems. With a commitment to excellence and customer satisfaction, Teshi Fittings delivers superior performance and durability in every flange, offering tailored solutions to meet specific project requirements. Experience the difference with Teshi Fittings’ Threaded Flanges and trust in our expertise for all your piping needs.

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Standard Specification of Tongue & Groove Flange

Standards / DimensionsANSI/ASME B16.5, B16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, BS, GOST, MSS SP-44, ISO70051, JISB2220, BS1560-3.1, API7S-15, API7S-43, API605
Size1/2″ (15 NB) to 48″ (1200NB)
Flange Face Types / Connection TypeFlat 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)
DimensionsANSI B16.5, ANSI B16.47 Series A & B, ASA, API-605, MSS SP44, AWWA, Custom Drawings
BSBS4504 , BS4504, BS1560, BS10
Class / Pressure Rating150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.

Material & Grades of Tongue & Groove Flange

Stainless SteelASTM/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 & Super Duplex SteelS31803 / S32205 A182:- Gr F51 / F52 / F53 / F54 / F55 / F57 / F59 / F60 / F61 S32750 / S32760 A182:- Gr F51 / F52 / F53 / F54 / F55 / F57 / F59 / F60 / F61
Carbon SteelASTM/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)
Low Temperature Carbon SteelASTM A350, LF2, LF3
Alloy SteelASTM / ASME A/SA 182 & A 387 F1, F5, F9, F11, F12, F22, F91
Nickel AlloyNickel 200 (UNS No. N02200), Nickel 201 (UNS No. N02201), Monel 400 (UNS No. N04400), Monel 500 (UNS No. N05500), Inconel 800 (UNS No. N08800), Inconel 825 (UNS No. N08825), Inconel 600 (UNS No. N06600), Inconel 625 (UNS No. N06625), Inconel 601 (UNS No. N06601), Hastelloy C 276 (UNS No. N10276), Alloy 20 (UNS No. N08020), Titanium (Grade I & II)

Dimension of Tongue & Groove Flange

DNd1d2d3d4d5d6d7d8f1f2
½”1,38
(35,1)		1,44
(36,6)		1,38
(35,1)		1,44
(36,6)		1,00
(25,4)		0,94
(23,9)		1,81
(46,0)		1,75
(44,5)		0,25
(6,4)		0,19
(4,8)
¾”1,69
(42,9)		1,75
(44,5)		1,69
(42,9)		1,75
(44,5)		1,31
(33,3)		1,25
(31,8)		2,12
(53,8)		2,06
(52,3)		0,25
(6,4)		0,19
(4,8)
1″2,00
(50,8)		2,06
(52,3)		1,88
(47,7)		1,94
(49,3)		1,50
(38,1)		1,44
(36,6)		2,44
(62,0)		2,25
(57,2)		0,25
(6,4)		0,19
(4,8)
1¼”2,50
(63,5)		2,56
(65,0)		2,25
(57,2)		2,31
(58,7)		1,88
(47,8)		1,81
(46,0)		2,94
(74,7)		2,62
(66,6)		0,25
(6,4)		0,19
(4,8)
1½”2,88
(73,2)		2,94
(74,7)		2,50
(63,5)		2,56
(65,0)		2,12
(53,8)		2,06
(52,3)		3,31
(84,1)		2,88
(73,2)		0,25
(6,4)		0,19
(4,8)
2″3,62
(92,0)		3,69
(93,7)		3,25
(82,6)		3,31
(84,1)		2,88
(73,0)		2,81
(71,4)		4,06
(103,1)		3,62
(92,0)		0,25
(6,4)		0,19
(4,8)
2½”4,12
(104,6)		4,19
(106,4)		3,75
(95,2)		3,81
(96,8)		3,38
(85,8)		3,31
(84,1)		4,56
(115,8)		4,12
(104,6)		0,25
(6,4)		0,19
(4,8)
3″5,00
(127,0)		5,06
(128,5)		4,62
(117,5)		4,69
(119,1)		4,25
(108,0)		4,19
(106,4)		5,44
(138,2)		5,00
(127,0)		0,25
(6,4)		0,19
(4,8)
4″6,19
(157,2)		6,25
(158,8)		5,69
(144,5)		5,75
(146,1)		5,19
(131,8)		5,12
(130,0)		6,62
(168,1)		6,19
(157,2)		0,25
(6,4)		0,19
(4,8)
5″7,31
(185,7)		7,38
(187,5)		6,81
(173,0)		6,88
(174,8)		6,31
(160,3)		6,25
(158,8)		7,75
(196,9)		7,31
(185,7)		0,25
(6,4)		0,19
(4,8)
6″8,50
(215,9)		8,56
(217,5)		8,00
(203,2)		8,06
(204,7)		7,50
(190,5)		7,44
(189,0)		8,94
(227,0)		8,50
(215,9)		0,25
(6,4)		0,19
(4,8)
8″10,62
(269,8)		10,69
(271,5)		10,00
(254,0)		10,06
(255,5)		9,38
(238,3)		9,31
(236,5)		11,06
(281,0)		10,62
(269,8)		0,25
(6,4)		0,19
(4,8)
10″12,75
(323,5)		12,81
(325,4)		12,00
(304,8)		12,06
(306,3)		11,25
(285,8)		11,19
(284,2)		13,19
(335,0)		12,75
(323,5)		0,25
(6,4)		0,19
(4,8)
12″15,00
(381,0)		15,06
(382,5)		14,25
(362,0)		14,31
(363,5)		13,50
(342,9)		13,44
(341,4)		15,44
(392,2)		15,00
(381,0)		0,25
(6,4)		0,19
(4,8)
14″16,25
(412,8)		16,31
(414,3)		15,50
(393,7)		15,56
(395,2)		14,75
(374,7)		14,69
(373,1)		16,69
(423,9)		16,25
(412,8)		0,25
(6,4)		0,19
(4,8)
16″18,50
(469,9)		18,56
(471,5)		17,62
(447,6)		17,69
(449,3)		16,75
(425,5)		16,69
(423,9)		18,94
(481,0)		18,50
(469,9)		0,25
(6,4)		0,19
(4,8)
18″21,00
(533,4)		21,06
(535,0)		20,12
(511,0)		20,19
(512,8)		19,25
(489,0)		19,19
(487,4)		21,44
(544,6)		21,00
(533,4)		0,25
(6,4)		0,19
(4,8)
20″23,00
(584,2)		23,06
(585,8)		22,00
(558,8)		22,06
(560,3)		21,00
(533,4)		20,94
(531,9)		23,44
(595,4)		23,00
(584,2)		0,25
(6,4)		0,19
(4,8)
24″27,25
(692,2)		27,31
(693,7)		26,25
(666,8)		26,31
(668,3)		25,25
(641,4)		25,19
(639,8)		27,69
(703,3)		27,25
(692,2)		0,25
(6,4)		0,19
(4,8)

Manufacturing process and features of Tongue & Groove Flange

Manufacturing Process:

  • Material Selection : Choose appropriate materials such as stainless steel, carbon steel, or alloy steel based on the application requirements for strength and corrosion resistance.
  • Forming the Flange : Fabricate the flange with a tongue on one end and a corresponding groove on the mating flange end. This involves precision machining to ensure the tongue and groove fit snugly together.
  • Machining : Use machining techniques to achieve precise dimensions and smooth surfaces on the tongue and groove surfaces. This step is crucial to ensure a tight seal and proper alignment.
  • Assembly : Fit the tongue of one flange into the groove of the mating flange during assembly. Proper alignment is essential to achieve a fluid-tight seal.
  • Surface Treatment : Apply surface treatments such as coatings or polishing to enhance durability, corrosion resistance, and to ensure a smooth surface finish.

Features of Tongue & Groove Flange :

  • Fluid-Tight Seal : Provides a secure and leak-free connection, making it suitable for applications where maintaining fluid integrity is crucial.
  • Easy Alignment : Facilitates easy alignment during installation due to the tongue and groove design, ensuring a proper fit and seal.
  • Low Maintenance : Minimizes the risk of leaks over time, reducing maintenance efforts and costs.
  • Versatility : Suitable for various industries including chemical processing, food and beverage, pharmaceuticals, and more, where reliable sealing is essential.
  • Corrosion Resistance : Offers good corrosion resistance depending on the material used, extending the flange’s lifespan in corrosive environments.
  • Application Specific Design : Designed for specific applications requiring a secure joint that prevents leakage under operating conditions.

Application Of Tongue & Groove Flange

Chemical ProcessingIdeal for connecting pipes that transport corrosive chemicals and fluids. Tongue & Groove flanges ensure a tight seal, minimizing the risk of leaks.
Food and Beverage IndustryUsed in sanitary piping systems where maintaining hygiene and preventing contamination are critical. These flanges provide a secure connection without compromising food safety.
Pharmaceutical ManufacturingApplied in sterile environments where maintaining a sterile seal is crucial. Tongue & Groove flanges help prevent contamination and ensure product integrity.
Water Treatment PlantsUtilized for connecting pipes that handle treated water, chemicals, and slurry. The flanges offer reliability in maintaining fluid integrity and reducing maintenance needs.
Oil and Gas IndustryUsed in low-pressure systems or applications where a secure connection is required. Tongue & Groove flanges can be found in pipelines and processing equipment.
Pulp and Paper IndustryApplied in paper mills for connecting pipes that transport pulp and chemicals. These flanges ensure a tight seal, contributing to operational efficiency.
Power GenerationFound in power plants for connecting pipes in water circulation and steam systems. Tongue & Groove flanges provide a reliable seal in high-temperature and high-pressure environments.
HVAC SystemsUsed in heating, ventilation, and air conditioning systems for connecting fluid pipes. These flanges help maintain system efficiency by preventing fluid leakage.

Tongue & Groove Flange Available Types

Tongue & Groove FlangeDIN Tongue and Groove Flange
ANSI B16.5 Tongue & Groove FlangeTongue & Groove Flange Dimensions
ASME B16.5 Tongue & Groove FlangeANSI B16.5 Class 150 Tongue & Groove Flange
Stainless Steel Tongue & Groove Flange SuppliersSS Groove & Tongue Flange
Tongue & Groove FlangeASME B16.47 Series A and B Tongue & Groove Flange Exporters
ANSI B16.5 class 150 Tongue & Groove FlangeANSI 150 Tongue & Groove Flange
Carbon Steel Groove & Tongue FlangeHigh Quality Tongue & Groove Flanges Manufacturers
ASTM A182 Stainless Steel Tongue & Groove FlangeDuplex Steel Tongue & Groove Flange
Super Duplex Steel Tongue & Groove FlangeCopper Nickel Tongue & Groove Pipe Flange
High Nickel Alloy Groove & Tongue FlangeHastelloy Tongue & Groove Flange Stockists
Titanium ASME B16.47 Series A and B Tongue & Groove FlangeInconel Tongue & Groove Flange

Others Products

Frequently Asked Questions

Most frequent questions and answers

A tongue and groove flange is a type of flange designed to provide a secure and leak-proof connection in piping systems. It features a protruding “tongue” on one flange and a matching “groove” on the other flange. This design allows the flanges to fit together precisely, creating a strong and tight seal.

Tongue and groove flanges are available in a range of sizes to accommodate different pipe diameters and pressure ratings. Standard sizes are offered, and custom sizes can be manufactured to meet specific needs.

Tongue and groove flanges are installed by aligning the tongue of one flange with the groove of the other flange. A gasket is placed between the flanges to ensure a leak-proof seal. The flanges are then bolted together to secure the connection. Proper alignment and bolt tightening are crucial for achieving optimal performance.

Yes, we offer custom manufacturing solutions for tongue and groove flanges to meet specific requirements. Please contact us with your detailed specifications, and we will work with you to produce flanges tailored to your needs.

The lead time for tongue and groove flanges depends on the complexity and volume of the order. After reviewing your specifications, we will provide an estimated lead time. We are committed to delivering all projects on schedule while maintaining the highest quality standards.

Yes, tongue and groove flanges can be used for both liquid and gas applications, provided they are made from appropriate materials and installed correctly to handle the specific conditions of the system, including pressure and temperature.

Tongue and groove flanges are commonly made from materials such as carbon steel, stainless steel, alloy steel, and other metals. The choice of material depends on the specific requirements of the application, including the type of fluid or gas, temperature, pressure, and environmental conditions.

Tongue and groove flanges are used in applications where a strong and tight seal is required, often in high-pressure and high-temperature environments. They are commonly found in industries such as chemical processing, oil and gas, and power generation, where maintaining a secure connection is critical.

Tongue and groove flanges are manufactured to comply with various industry standards, such as ASME B16.5, ASME B16.47, and MSS SP-44. These standards define the dimensions, tolerances, and material requirements to ensure compatibility and reliability in piping systems.

Tongue and groove flanges offer several advantages, including:

  • Enhanced seal: The tongue and groove design provides a tighter and more secure seal compared to flat-faced flanges.
  • Improved alignment: Ensures precise alignment between flanges, reducing the risk of leaks.
  • Durability: Suitable for high-pressure and high-temperature applications due to the robust design.
  • Ease of assembly: Facilitates easy and reliable installation with proper alignment.

Regular inspection of tongue and groove flanges involves checking for leaks, ensuring proper alignment, and examining the condition of the gasket. It is important to inspect for any signs of wear, corrosion, or damage that could affect the integrity of the connection.