TH: Threaded Flange

1.What are threaded Flanges?

The most noteworthy feature of Threaded Flanges is that they can be joined to a pipe without welding. The bore of Threaded / Screwed Flanges have threads and can be fitted to pipes that have external threads.  Threaded / Screwed Flanges can fit best for small pipes and can be used in low-pressure applications. They are very beneficial in highly combustible industries where welding is dangerous.
Top Quality Threaded Pipe Flanges At Very Competitive Price From DLFT CO.,LTD.
DLFT like to be your best screw-on flange supplier from China! We supply threaded flanges in various dimensions, 4″ threaded flange, 3″ threaded flange, 2″ threaded flange, 1 1/2″ threaded pipe flange) and materials (stainless steel threaded flange, carbon steel threaded flange, alloy steel threaded flange) as per the specifications provided by our clients. Our screw-on flanges are also available with Raised Face Threaded Flange or RTJ Threaded Flange.
OEM/ODM order accepted, standard or no-standard steel Threaded flanges in various specifications and standard materials can be manufactured according to customers’ requirements.

Threaded Flanges

Threaded Flanges

THREADED FLANGES

2.Standard Specification For Threaded / Screwed Flanges

Dimensions : ANSI ASME B16.5, ANSI ASME B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings
ASME Size : 1/2"  to 6" 

EN 1092-1:DN10  to DN150

DIN : DIN2527, DIN2566, DIN2573, DIN2576, DIN2641, DIN2642, DIN2655, DIN2656, DIN2627, DIN2628, DIN2629, DIN 2631, DIN2632, DIN2633, DIN2634, DIN2635, DIN2636,DIN2637, DIN2638, DIN2673

BS : BS4504 , BS4504, BS1560, BS10

JIS B2220

KS B 6216 

3.Surface Treatment: Anti-rust Oil, Transparent/Black Anti-rust Paint/Hot dipped Galvanized.

4.Threaded Flange Pressure Grade

ANSI Class : 150, 300,600,
DIN Standard PN-6,10, 16, 25, 40,64.
JIS B2220：5K、10K、16K、20K、40K

5.Material & Grades of Threaded / Screwed Flanges :

Carbon Steels:A516 Gr.70 ANTI-HIC, A694 F52 / F60 / F65 / F70, A105, SA-266M, 20#, 16Mn, 16MnHIC, 20#HIC, and equivalents.

Alloy Steels:SA182-F11, SA182-F22, 15CrMo, 20MnMoNb, 25Cr2MoVA, 14Cr1Mo, 12Cr2Mo1, 08Cr2AlMo, 12Cr5Mo, 38CrMoAl, 20MnNiMo, SA-508 Gr.3, and equivalents.

Low-Temperature Steels:SA350 LF1 / LF2 / LF3, 09MnNiD, 16MnD, 20MnMoD, 08Ni3D, 10NiMoVD, and equivalents.

Stainless Steels:F304 / 304L / 304H (1.4306), F316 / 316L / 316H (1.4404), F321 (1.4541), 316Ti (1.4571), F347 / F347H (1.4550), F317 (1.4449), F310 (1.4845), F904L (S39042 / 1.4539), X2CrNiMo25-22-2, SA-182M F310MoLN, A182 F6NM, A182 F6a, and equivalents.

Duplex & Super Duplex Stainless Steels:S31803 (2205), F51 (S22253), F60 (S22053 / 2205), F53 (S25073 / 2207), and equivalents.

Specialty Alloys & Nickel Alloys:SB462-N08020, Incoloy 800, UNS N08020, B564 UNS N10276, UNS N08367, NS1403, and equivalents.

6.Sealing Surface Types For Weld Neck Flanges

RF (Raised Face);                                 EN 1092-1 Type B
FF (Flat Face);                                       EN 1092-1 Type A
M&F (Male-and-Female Face);      EN 1092-1 Type C
RTJ (Ring-Type Joint)                       EN 1092-1  Type E
F (Female Face);
M (Male Face);
T&G (Tongue and Groove Face);  EN 1092-1Type D
Among them, the uneven surface (MFM) is a matching use; 

SEALING SURFACE TYPES FOR FLANGES

FLANGE SEALING FACE TYPES

Galvanized Threaded Flanges

7.Threaded Pipe Flange Application

Chemical, Engineering, Construction, Oil Field, Offshore, Water System, Shipbuilding, Natural Gas, Electric Power, Manufacturing Industry, Pipe Projects etc.

ANSI B16.5 Threaded / Screwed Flanges Application

ASME B16.5 Threaded Flanges are known to deliver exceptional performance and are generally developed for meeting the demands. DLFT Supply a broad range of Threaded/Screwed Flanges which are in various industries.