raised face threaded flange

1. Standard: ASTM A105, ASTM A182
2.Material:Carbon Steel,Stainless Steel,Alloy Steel
3.Size Range: 1/2",1",2",3",4" to 24"
4.Pressure Class: Class 150 to 2500
5.Face:Raised face (RF),Ring type joint (RTJ)
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Product Details

The Raised Face Threaded Flange is a kind of non-welded flange which is made into pipe thread through the inner hole of the flange and connected with the threaded pipe. Compared with flange or butt flange, threaded flange is easy to install and maintain, and can be used on some pipeline which is not allowed to weld on site. Alloy steel flanges have sufficient strength, but not easy to weld, or welding performance is poor, can choose threaded flanges. However, under the condition that the pipe temperature changes rapidly or the temperature is higher than 260 ℃ and lower than -45 ℃, it is recommended that the threaded flange should not be used to avoid leakage.

1. Standard: ASTM A105, ASTM A182
2.Material: Carbon Steel, Stainless Steel, Alloy Steel
3.Size Range: 1/2'', 1'', 2'', 3'', 4'' to 24''
4.Pressure Class: Class 150 to 2500
5.Face: Raised face (RF), Ring type joint (RTJ)

ASME B16.5 Threaded Flange Size Chart

1/2" (15 NB) to 48" (1200NB) DN10~DN5000

Threaded Lap Joint Flange 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

Npt Threaded Flanges Pressure Rating ANSI

Class 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS Slip On Threaded Flange

Square Threaded Flange Pressure Calculation in DIN

6Bar 10Bar 16Bar 25Bar 40Bar / PN6 PN10 PN16 PN25 PN40, PN64 Npt Threaded Flanges


5K, 10 K, 16 K 20 K, 30 K, 40 K, 63 K Square Threaded Flange


6Bar 10Bar 16Bar 25Bar 40Bar Threaded Lap Joint Flange


6Bar 10Bar 16Bar 25Bar 40Bar Screwed Flange


Oil Black Paint, Anti-rust Paint, Zinc Plated, Yellow Transparent, Cold and Hot Dip Galvanized

Most common types of Screwed Pipe Flange

Forged / Threaded / Screwed / Plate

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

The Raised Face Threaded Flange is a kind of flange which is connected by thread and pipe. The design can be treated by loose flange. The advantage is that there is no need for welding and the additional torque generated by flange deformation on the tube or pipe is very small. The shortcoming is the flange thickness is big, the cost is high. Suitable for high pressure pipe connection.

Threaded Flanges4Threaded Flanges5

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