• Corporate vision to become the pipeline industry Toyota
  • Corporate mission to enhance the quality level of Chinese manufacturing
  • Business goals domestic industry first
Reducing Flange

Reducing Flange

  • Introduction:Hebei Haihao Group is a flange and pipe fittings manufacturer in China,
  • we can supply weld neck/threaded/slip on/socket weld/blind flanges and so on.
  • Email:sales@haihaopipe.com

Reducing flanges are a specialty flange that are most often used on projects that require the fitting together of different sized pipes.

Reducing Flanges are suitable for changing line size, but should not be used if abrupt transition would create undesirable turbulence, as at pump connections. A reducing flange consists of a flange with one specified diameter having a bore of a different and smaller, diameter.Except for the bore and hub dimensions, the flange will have dimensions of the larger pipe size.

Reducing Weld Neck Flange-Haihao Group

Reducing Weld Neck Flange-Haihao Group

There are several types of reducing flanges including weld-neck reducing flanges, slip-on reducing flanges and threaded reducing flanges and so on. The number one feature of reducing flanges, is that they are a highly economical way to make transitions between pipes of different sizes.

Reducing Flange 

 Size   1/2″-36″
 Pressure   ANSI 150LBS-2500LBS,

DIN PN10-PN40,

JIS 5K-30K

 Type   Slip On Flange, Weld Neck Flange, Blind Flange,Threaded Flange,Socket Welding Flange, Flat Flange
 Standard   ANSI,DIN,JIS,BS,GB etc
 Flange sealing surface   FF, RF, MFM, TG, RJ
 Material   Carbon Steel: ASTM A105,20#, Q235, 16Mn, ASTM A350 , ASTM A694 F42-F70;

Stainless Steel: ASTM A182 F304, 304L, F316, 316L;

Alloy Steel: ASTM A182 F1,F5, F9, F11, F12, F22,F91, A182F12, A182F11, A335P22

 Package   In wooded cases or pallets, or as for clients’ requirements


Hebei Haihao group can manufacture Plate Flange(PL Flange)Weld Neck Flange(WN Flange)Socket Weld FlangeSlip On Flange(SO Flange)Blind FlangeLap Jiont Falnge(Loose Flange)Threaded Flange Figure 8 FlangeIntegral Flange etc.We supplys a variety of pipe flanges to satisfy our customers’ specifica requirements,which include different size,different schedule,different pressure and different finish faces. Our products are produced strictly according to the required standard. Our raw material for flanges all are purchased from big steel companies which can make sure the material in a high quality.

We sincerely welcome customers domestic and abroad to visit us for cooperation and development.