• Grade: Titanium,Gr1 Gr2 Gr3 Gr4 GR5 Gr7 Gr9 Gr11 Gr12

  • Density:4.51g/cm3

  • Standard:ANSI B16.5,ASTM B16.5, ASME B16.47,  JIS B2220,  DIN2627-2628, ASTM A182 AND ASME SA182

  • Size:1/2″~ 60″NB, NPS 1/2 – NPS 24 (DN 10 – 2000)

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Material Grade Titanium:Gr1      Gr2       Gr3       Gr4        GR5       Gr7       Gr9       Gr11
Nickel and Nickel alloy: N200/201,N6,
Zirconium
Standard ANSI B16.5     ASTM B16.5      ASME B16.47       JIS B2220        DIN2627-2628
AWWA      ASTM A182 AND ASME SA182
size 1/2″~ 60″NB, NPS 1/2 – NPS 24 (DN 10 – 2000)
Pressure Class PN0.25~32Mpa
(DIN)   PN6       PN10       PN16       PN25       though       PN250
150#      250#     300#     400#      500#      600#      900#      1500#      2500#
Technique Forged and CNC Machined
Flange surface Flat Face (FF), Raised Face (RF), Male Face (M), Female Face (F), Male and Female Face (MF), Tongue Face (T), Groove Face (G), Tongue and Groove Face (TG), Ring Joint Face (RJ), etc.
Testing UT,P/T, etc.
type Weld necks Slip-Ons Threaded Blind Socket weld and Lap-Joint
Application used in cars, glasses,medical equipment , electronics , petrochemical equipment
Advantage 1. Long service life
2. corrosion -resistant
3. High yield strength and tensile strength.

Plate flange (PL)

WELDING NECK FLANGES are distinguished from other types by their long tapered hub and gentle transition of thickness in the region of the butt weld joining them to the pipe. The long tapered hub provides an important reinforcement of the flange proper from the standpoint of strength and resistance to dishing. The smooth transition from flange thickness to pipe wall thickness effected by the taper is extremely beneficial under conditions of repeated bending, caused by line expansion or other variable forces and produces an endurance strength of welding neck flanged assemblies equivalent to that of a butt welded joint between pipes, which, in practice, is the same as that of unwelded pipe. Thus this type of flange is preferred for every severe service condition, whether this results from high pressure or from sub-zero or elevated temperature, and whether loading conditions are substantially constant or fluctuate between wide limits.

A Slip-On Flange is bored sightly larger than the outer Diameter of the matching pipe. The pipe slip into the flange prior to welding both inside and outside to prevent leaks.The British standard flanges manufactured by us pertain to all standards like BS10 1962 Table D,E,F,H IS 6392 Table 5,17,26 IS 1538 in slip. These are manufactured using mild steel both in slip-on and blind type. Our quality slip on flanges are ideal for lower pressure applications. Their ease of fitting and welding reduces fabrication costs. Our professional engineering team is involved in innovating durable and high-quality products to cater to our clients’ needs.

The blind flange is used to close ends of piping systems. It is a kind of round plate with no center hold but with all the proper bolt holes. This blind flange is available in various sizes and materials and is used to provide positive closer on the ends of pipes, valves or equipment nozzles. This flange helps in easy access to a line once it has been sealed. The blind flange is sometimes custom made or machined to accept a nominal sized pipe to which reduction is being made. This reduction can be a threaded reduction or welded reduction.

Socket welding flange, a popular type of pipe flange, was initially developed for use on small-sized high- pressure piping. The fabrication of this type of flange is similar to that of a slip-on flange. However, the internal pocket of a socket weld flange allows for a smooth bore and better fluid flow. When provided with an internal weld, the static strength of this flange is equal to slip-on flange, but the fatigue strength is 50% greater than double welding slip-on flanges. Smooth bore conditions in such a flange can easily be attained without having to bevel the flange face and, after welding, to re-face the socket weld flange as would be required with slip-on flanges. For this reason, the internally welded flange is popular in chemical process piping. The counter bore is sightly larger than the Outer Diameter of the matching pipe, allowing the pipe to be inserted. A restriction is built into the bottom of the bore, which acts as a shoulder for the pipe to rest on, and has the same I.D. of matching pipe. The flow is not restricted in any direction.

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Lap Joint flanges are used on piping fitted with with lapped pipe or with lap joint stub ends. The lap joint flange with the stub end assembly are normally used in systems requiring frequent dismantling for inspection and cleaning and where the ability to swivel flanges and to align bolt holes materially eases the erection of large diameter or unusually stiff piping. These flanges are also used in applications where there is a need to facilitate bolt alignment. These type of flanges are similar to slip-on flanges. The only difference is that it has a curved radius at the bore and face to accommodate a lap joint stub end. They may be used at all pressures and are available in a full size range. These lap joint flanges slip over the pipe, and are not welded. They are otherwise fastened to it. Here the bolting pressure is transferred to the gasket by the pressure of the flange against the back of the pipe lap.

Lap Joint flanges are used on piping fitted with with lapped pipe or with lap joint stub ends. The lap joint flange with the stub end assembly are normally used in systems requiring frequent dismantling for inspection and cleaning and where the ability to swivel flanges and to align bolt holes materially eases the erection of large diameter or unusually stiff piping. These flanges are also used in applications where there is a need to facilitate bolt alignment. These type of flanges are similar to slip-on flanges. The only difference is that it has a curved radius at the bore and face to accommodate a lap joint stub end. They may be used at all pressures and are available in a full size range. These lap joint flanges slip over the pipe, and are not welded. They are otherwise fastened to it. Here the bolting pressure is transferred to the gasket by the pressure of the flange against the back of the pipe lap.

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