BACKING FLANGES (FOR I.D. GAUGE PIPE)

 

I.D. of PipeOutside Dia. O.D.Inside Dia. I.D. thicknessBolt Circ. Dia. B.C.D.Number of BoltsDia. Of Bolt HolesWeight
T1T2T3W1W2W3
1-1/2525/83/43/43-7/845/83.03.63.6
262-1/25/83/43/44-3/443/43.94.74.7
2-1/2735/83/43/45-1/243/45.26.26.2
37-1/23-5/85/83/43/4643/45.97.17.1
494-5/85/83/43/47-1/283/47.99.59.5
5105-5/85/83/43/48-1/287/88.910.710.7
6116-5/85/83/43/49-1/287/810.312.312.3
813-1/28-5/85/83/47/811-3/487/814.717.720.6
101610-3/43/41114-1/412118.930.230.2
121912-3/43/411-1/41712132.743.554.4
142114-3/43/41-1/81-1/418-3/4121-1/836.65578.6
1623-1/216-3/43/41-1/81-1/221-1/4161-1/8446688.3
182518-3/411-1/41-1/222-3/4161-1/448.881.497.6
202720-7/811-1/41-5/825201-1/46986.3112
243224-7/811-3/8229-1/2201-3/888121176
30393111-1/22-3/836281-3/8117176279
36463711-1/22-7/842-3/4321-5/8158237454

All dimensions in inches

Material: ASTM 285-C or equal for T1 and T2. SA 516-70 or equal for T3.
Drilling: To ANSI B16.1 class 125.
Finish: Metal primer or galvanized.
Note: Backing flanges in T3 series are not stocked in sizes 8” and over.
T1 and T2 thicknesses do not comply with ANSI B31.1 and B31.3.Cald.

 

I.D. SLIP ON BACKING FLANGES

 

I.D. of
Pipe
Outside
Dia.
O.D.
Inside
Dia.
I.D.
WEIGHT
TABCT
37-1/23-7/83/4643/47.1
494-7/83/47-1/283/49.5
5105-7/83/48-1/287/810.7
6116-7/83/49-1/287/812.3
813-1/28-7/83/411-3/487/817.7
101611114-1/412130.2
12191311712143.5
1421151-1/818-3/4121-1/855
1623-1/2171-1/821-1/4161-1/866
182519-1/41-1/422-3/4161-1/481.4
2027-1/221-3/81-1/425201-1/486.3
243225-3/81-3/829-1/2201-3/8121
303931-3/41-1/236281-3/8176
364637-3/41-1/242-3/4321-5/8237
425343-3/41-3/449-1/2361-5/8339
4859-1/249-3/4256441-5/8455

All dimensions in inches

Material: T Mild Steel.
Drilling: ASME B16.5 CL. 150
For maximum working pressure see technical section.

Finish: Galvanized.

 

 CLAD BLIND FLANGES

 

Nominal
Dia.
Outside Dia.

O.D.

thickness
T
Bolt Circ. Dia.

B.C.D.

Number
of Bolts
Dia. of
Bolt Holes
Weight
W
1-1/253/43-7/845/84.3
263/44-3/443/46.2
2-1/273/45-1/243/48.5
37-1/23/4643/49.8
493/47-1/283/414
5103/48-1/287/817.6
6113/49-1/287/821.3
813-1/23/411-3/487/832.2
1016114-1/412158
121911712183.1
14211-1/818-3/4121-1/8113
1623-1/21-1/821-1/4161-1/8142
18251-1/422-3/4161-1/4179
2027-1/21-1/425201-1/4217.5
24321-3/829-1/2201-3/8323
3038-3/41-1/236281-3/8530
36461-1/242-3/4321-3/8755

All dimensions in inches

Blind Flanges are available from stock in galvanized mild steel with stainless steel 316, .078” thick cladding.
Also available upon request in solid stainless steel, primed mild steel, various types and thicknesses of cladding, flange thickness and diameter.