Flanges

Diameter: 2-1/2" to 6" (63mm to 168mm)
TransairAluminumPipe.com is your complete source for Transair Flanges. Transair flanges are quick and easy to install.
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Aluminum Flanges 2-1/2" to 6"

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Product # øD
(in)
øD
(mm)
DN
(in)
D1(in) D2(in) D3(in) E(in) L(in) LB Quick Ship
RA30 63 00 2 1/2 63 2 9/16 7 9/32 5 45/64 45/64 29/32 5 49/64 3.96  
RA31 63 00 2 1/2 63 2 9/16 7 3/32 5 1/2 3/4 29/32 5 49/64 3.91  
RA30 L1 00 3 76 3 5/32 7 7/8 6 19/64 45/64 31/32 4 13/64 4.56  
RA31 L1 00 3 76 3 5/32 7 15/32 6 3/4 31/32 4 13/64 4.21  
RA30 L3 00 4 101 4 8 21/32 7 3/32 45/64 31/32 4 13/64 4.78
RA31 L3 00 4 101 4 9 1/16 7 1/2 3/4 31/32 4 13/64 5.88
RA31 L8 K2 6 168 7 7/8 13 25/64 11 39/64 55/64 49/64 7 27/32 13.96  


Aluminum Male Threaded Flange 3" to 4"

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Product # øD
(in)
øD
(mm)
DN
(in)
D1
(in)
D2
(in)
D3
(in)
E(in) L(in) LB
RA33 L1N24 3 76 3 5/32 7 7/8 6 19/64 45/64 31/32 3 3/32 4.6
RA33 L3N24 4 101 4 8 21/32 7 3/32 45/64 31/32 3 3/32 4.69


Stainless Steel Flanges 3" to 6"

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Product # øD(in) øD(mm) DN(in) D1(in) D2(in) D3(in) E(in) L(in)
RX30 L1 00 3 76 2 9/16 7 5/16 5 3/4 11/16 3/8 2 15/16
RX31 L1 00 3 76 3 1/8 8 6 5/16 3/4 1/2 2 15/16
RX30 L3 00 4 101 3 15/16 8 11/16 7 1/8 11/16 3/8 2 15/16
RX31 L3 00 4 101 3 15/16 9 7 1/2 3/4 1/2 2 15/16
RA31 L8 00 6 168 5 5/16 11 9 7/16 1 2 3 15/16
RX30 flanges are compatible with VR01 ball valves.
RX31 flanges are compatible with VR03 ball valves.


Flange Gasket and Bolt Kit 3" to 6"

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Product # øD (in) øD (mm)
FOR USE WITH FLANGE REFERENCE
EW05 L1 00 3 76 RX30/RX31 L1 00
EW05 L3 00 4 101 RX30/RX31 L3 00
EW05 L8 00 6 168 RA31 L8 00


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Product # øD (in) øD (mm) C (in) L(in)
EW06 00 01 3, 4 76, 101 5/8 2 3/8
Contains eight bolts and eight nuts.


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