Forged Flanges

We are forged flanges manufacturer, supplier and exporter for a wide range of quality industrial forged steel flangesincluding welding neck flange, slip-on flanges, socket weld flanges, blind flanges and other shapes for connection applications in the oil, gas, chemical, wind, pharmaceutical and other industries, manufactured in accordance with ASME , DIN, JIS, GB, ANSI, GOST, EN, BS and other engineering standards.

Pipe flange facing of america system, ring joint face except raised face, large or smalltongue face and groove face, large or smallmale face and female face, all can be manufactured according to standard.

Orifice flange equipped with orifice plate is used to measure the flow.Theere are two symmetrical, radial through holes in flange which is parallel to the sealed face.The distance to the sealed face is 0.94inch(23.9mm). They are equipped with two plugs of size NPT 1/2 mating the threaded hole in the outer end. The diameter of through holes as following.

Forged Flanges Type：

SW;WN;SO;BL;LJ;TH ; FF,RTJ

Forged Flanges Forming:

Forged

Forged Flanges Size:

1/2”—120”

Forged Flanges Standard:

GB9112~9124, GB13402, SH3406, HG20615~20623, HG20592~20605, JB74~90, ISO7005-I, ASME/ASNI B16.5/16.36/16.47A/16.47B, MSS SP44, JIS B2220-2001, DIN 2527/2636/2637/2638/2566/2576/2632/2633/2635/2642/2653/2655/2656, DIN2628/DIN2629, DIN2634 , BS 1560-3.1, BS4504-3.1, API 7S-15, API 7S-43, API 605, NFE 29-203 GOST12821 GOST 12820

Forged Flanges Rating:

ANSI 150LBS~2500LBS

DIN PN6~PN400

JIS 5K~30K

HG PN0.25~PN25

Forged Flanges Material:

Stainless Steel：

OCr18Ni9, 0Cr18Ni9Ti, 1Cr18Ni9Ti, 0Cr18Ni12Mo2Ti, 00Cr19Ni10, 00Cr17Ni14Mo2, ASTM A182-F304, F304L, F304H, F316, F316L, F321, F321H, F347H, F317,

Super Stainless Steel:

ASTM A182-904L, 317, 317L

Duplex Steel：

ASTM A182-F51, F53, F44

Special Steel：

N06600, N08800, N08811

Alloy Steel：

16Mn, 12CrMo, 15Cr5Mo, Cr5Mo, 12Cr1MoV, ASTM A182-F11, F22, F91 F9 F5

Pipe Line：

ASTM A694-F42, F46, F48, F50, F52, F56, F60, F65, F70, F80

Carbon Steel：

ASTM A350-LF2, LF3 Q235A, 20#, ASTM A105

Tolerance of flange (ASME /ANSI standard)

Thread ,Socket-welding,Slip-on, Lap joint and Blind flange Tolerence			Welding neck raised face flange tolerence
Outside Diameter	≦24"	±1.6mm	Outside Diameter	≦24"	±1.6mm
	>24"	±3.2mm		>24"	±3.2mm
Inside Diameter	Threaded	Within limits on boring gauge	Inside Diameter	≦10”	±0.8mm
	Socket-welding	ID≦10"+0.8mm ID≧12"+1.6mm		<20”	±1.6mm
	Slip on			≧20”	-1.6mm +3.2mm
	Lap joint		Diameter of hu at base	≦24”	±1.6mm
Outside Diameter of Hub	≦5"	+2.4mm -0.8mm		>24”	±3.2mm
	≧6"	+ 4.0mm -0.8mm	Diameter of hub at point of welding	≦5"	-0.8mm +2.4mm
Diameter of contact face	1/16”raised face	±0.8mm		≧6"	-0.8mm +4.0mm
	1/4”raised face tongue&groove male,female	±0.4mm	Diameter of contact face	1/16”raised face	±0.8mm
Diameter of counterbore	Same as for inside diameter			1/4”raised face tongue&groove male,female	±0.4mm
Drilling	Bolt circle	±1.6mm	Drilling	Bolt circle	±1.6mm
	Bolt hole spacing	±0.8mm		Bolt hole spacing	±0.8mm
	Eccentricity of bolt circle with respect to facing	<2-1/2” Max 0.8mm ≧3” Max 1.6mm		Eccentricity of bolt circle with respect to facing	<2-1/2” Max 0.8mm ≧3” Max 1.6mm
	Eccentricity of bolt circle with respect to bore	Max 0.8mm		Eccentricity of bolt circle with respect to bore	Max 0.8mm
	Eccentricity of facing with respect to bore	Max 0.8mm		Eccentricity of facing with respect to bore	Max 0.8mm
Thickness	≦18”	0-+3.2mm	Thickness	≦18”	1-+3.2mm
	≧20”	0-+4.8mm		≧20”	1-+4.8mm
Length thru hub	≦10”	±1.6mm	Length thru hub	≦10”	±1.6mm
	≧12”	±1.6mm		≧12”	±1.6mm

Other supplier products

	Precision Tubes	Product description Precision Tubes Description Precision steel tubefeatures in large size, high precision, smooth surface inside and outside, pr...
	STAINLESS STEEL TUBING	Are you looking for 50mm stainless steel pipe? As a large ss tube manufacturer, Huangshang Steel offer various ss tubeto meet different applicati...
	Hexagon Steel Tubing	Product description Hexagon steel tube is the general name of all section shape of steel tube except circular tube. There are welded shaped tubes a...
	STAINLESS STEEL TUBING	As a large stainless steel tube manufacturer, Huangshang Steel offer various tubing to meet different application requirements like ba tubing, ep t...
	Stainless Steel Capillary Tubes	Product description Stainless Steel Capillary TubeDescription: Whether you need to exchange device tubing as a section of your troubleshooting ...

供应产品

Same products

	Floral Garden Tools Set	卖方: Dongyang Guorui Industry And Trade Co., Ltd.	Investing in a floral garden tools set not only enhances your gardening experience but also add...
	Rice Husk Pellet Machine	卖方: Jiangsu Kingwood Industrial Co., Ltd.	● JWZL-420 is the most popular biomass/woodpellet machine of all the pellet mills offered by Ch...
	希腊-小型气相液氮储存罐-液氮容器	卖方: 河南天之道生物科技有限公司	在科技不断进步的今天，随着现代科研和医疗领域对生物样本的低温保存要求越来越高，小型气相液氮罐的出现，成为这一领域的理想选择。下面KGSQ厂家为您具体介绍一下它的优势特点。 1.气相/液相储存 小...
	Common Rail FuCommon Rail Fuel Injector Nozzle L500PBCel Injector Nozzle L500PBC	卖方: 738347	Common Rail Fuel Injector Nozzle L500PBC 0 445 110 189 Injector Valve Set 0 445 110 190 Injector...
	Common Rail FueCommon Rail Fuel Injector Nozzle F00VX40014l Injector Nozzle F00VX40014	卖方: 738347	Common Rail Fuel Injector Nozzle F00VX40014 Common Rail Fuel Injector Nozzle F340 Common Rail ...