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Blind/ Blank Flanges (BLRF) Slip On Flanges Threaded Flanges
Weld Neck Flanges Lap joint Flanges DIN flanges
Socket weld Flanges    

Threaded Flanges (THRF)


Threaded flanges are used in special requirements to work under high temperature and pressure, making sure no welding joint is made at the assembly. The pipe segment is not welded to the flange but is fitted with the help of the threads. No welding is carried out


Uses of threaded flanges:

  • Threaded flanges can be fitted to pipes of various sizes without welding and this is one chief benefit for which these flanges are highly demanded.
  • They can be used in extremely high pressure applications, particularly at or near atmospheric temperature, where the necessary post weld heat treatment is not possible.
  • They are ideal for small diameter piping applications.
  • They are economical and time saving devices.
  • These threaded flanges are normally designed for non-cyclic applications.
  • The flanges are suitable to be used in applications where welding is hazardous.
  • They can be used in highly explosive areas.
Threaded Flange
Size :- ½” NB to 50”NB
Class :- 150#, 300#,400 #,600#,900#, 1500# & 2500 #
Stainless Steel :- TP 304, 304L, 316, 316L, 316Ti, 309, 310, 310S, 317L, 321, 347,
Carbon Steel :- ASTM A 105/106, ASTM A 181
Alloy Steel :- ASTM A 182, GR F1, F11, F22, F5, F9, F91
Non Ferrous :- Copper , Brass , Gun Metal
Nickel Alloys :- Nickel 200 & 201, Monel 400 & 500, Inconel 600 , 625, Incolloy 800, 825, Hastelloy C22,C276, Titanium (Grade I & II), Alloy 20.
Duplex Steel :- ASTM / ASME A182 F 44, F 45, F51, F 53, F 55, F 60, F 61
 
Standard of Flanges
ANSI Flanges :- ANSI B16.5, ANSI B16.47, MSS SP44, ANSI B16.36, ANSI B16.48
DIN Flanges :- DIN2527, DIN2566, DIN2573, DIN2576, DIN2641, DIN2642, DIN2655, DIN2656, DIN2627, DIN2628, DIN2629, DIN 2631, DIN2632, DIN2633, DIN2634, DIN2635, DIN2636, DIN2637, DIN2638, DIN2673
   
 

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