Flanges ::

 Reducing Flanges

Reducing flanges are designed for use in changing diameters in a piping system. A reducing flange comprises a flange with one specified diameter having a bore of a different and smaller, diameter. Except for the bore and hub dimensions, the reducing flange will have dimensions of the larger pipe size. These flanges are used at the outlet side of the expansion joint to increase the size of the flange. This is considered to be an economical method to make a transition in size.

Specifications:

Stainless Steel Grades: 
304, 304L, 304H, 309, 310, 310S, 316, 316Ti, 316 L, 317, 317L, 321, 347, 347 H, 409, 410, 410S, 420, 430

Duplex Steel Grades:
2205 (UNS No. S31803),2207 (UNS No. S32760)

Nickel Alloy Grades:
Nickel 200 (UNS No. N02200), Nickel 201 (UNS No. N02201), Monel 400 (UNS No. N04400), Monel 500 (UNS No. N05500), Inconel 800 (UNS No. N08800), Inconel 825 (UNS No. N08825), Inconel 600 (UNS No. N06600), Inconel 625 (UNS No. N06625), Inconel 601 (UNS No. N06601), Hestelloy C 276 (UNS No. N10276), Alloy 20 (UNS No. N08020)

Titanium (Grade I & II)

Copper Alloy Grades: UNS No. C 10100, 10200, 10300, 10800, 12000, 12200, 70600, 71500,UNS No. C 70600 (Cu -Ni- 90/10), C 71500 (Cu -Ni- 70/30)

Size : 1/8" NB TO 48"NB.

Class : 150#, 300#,400 #,600#,900#, 1500# & 2500 #.

Uses of Reducing Flanges:

• Reducing flanges are used in pipe-to-pipe connections.
• Reducing flanges are a little easier to bolt up than non-reducing flanges.
• They provide the most perfect solution when you need to connect different size flanges.
• These flanges are available in all types and pressures.
• Reducing flanges are fixed by welding, gluing or clamping flanges of equal dimensions provided with different connecting pieces.
• They offer the simplest and least expensive method of mating two different sized flanges.

Copper Alloy Reducing Flanges
ASTM / ASME SB 61 / 62 / 151 / 152.
C 70600 (CU -NI- 90/10) - Cupro Nickel Reducing Flanges
C 71500 (CU -NI- 70/30) - Copper Nickel Reducing Flanges
UNS NO. C 92200, UNS NO. C 83600, UNS NO. UNS NO C 10100,
C 10200, C 10300, C 10800, C 12000, C 12200

Duplex Steel Reducing Flanges
ASTM / ASME A/SA 182 UNS F 44, F 45, F51, F 53, F 55, F 60, F 61.

Alloy Steel Reducing Flanges - AS Reducing Flanges
ASTM SA 182 F1/F5/F9/F11/F22/F91

Carbon Steel Reducing Flanges - CS Reducing Flanges
ASTMA 105 Gr. F42/46/52/56/60/65/70

Low Temperature Carbon Steel Reducing Flanges - LTCS Reducing Flanges
A350 LF2/A350 LF3

Value Added Services
• Hot Dip Galvanizing • Electro polish

Test Certificate
Mill Test Certificate as per EN 10204 / 3.1B

Duplex Stainless Steel : Duplex Stainless Steel Reducing Flanges – Duplex SS Reducing Flanges
ASTM A 182 – Reducing Flanges
F 51 UNS S31803 Reducing Flanges
S32750 Reducing Flanges
S31500 Reducing Flanges
ASTM / ASME A/SA 182 UNS Reducing Flanges
F 44 Reducing Flanges
F 45 Reducing Flanges
F51 Reducing Flanges
F 53 Reducing Flanges
F 55 Reducing Flanges
F 60 Reducing Flanges
F 61 Reducing Flanges

Carbon Steel Reducing Flanges – CS Reducing Flanges
ASTM A105 Reducing Flanges
ASTM A 694-F42 Reducing Flanges
F46 Reducing Flanges
F52 Reducing Flanges
F60 Reducing Flanges
F65 Reducing Flanges
F70 Reducing Flanges

Copper Nickel Reducing Flanges – Cu-Ni Reducing Flanges