UNIQUE CORPORATION
contact no 022 23414204 / 23422825
Email response@valiagroups.com
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Manufacturers & Dealers In M.S., C.S., S.S. Pipe & Pipe Fittings, in all size & As Per Your Specification With IBR

   

Appendix

DIMENSIONAL TOLERANCES  
of Steel Butt Welding Fitting Listed in This Catalogue
Listed below are the Dimensional Tolerances which our fittings are manufactured. These tolerance are in accordance with the American Standards Association's Specifications A. S. A. B16.9 for all dimensions that have been established by that standard. The limits givem are the maximum permitted and our products will normally run much closer to nominal dimensions than to permitted extremes.
 
Off Angle Off Plane
   
WALL THICKNESS
The wall thickness shall not at any point be less tahn 87.1/2% of nominal thickness
 
OUTSIDE DIAMETER
The outside diameter to beginning of chamfer shall not vary from nominal more than :
For Sizes up to and incl. 22" ..................... + 1.16:-1/32"
For Sizes 3" thru 4" ..................................... + 1/16"-1/16"
For Sizes 5" thru 8" ..................................... + 3/32" - 1/16"
For Sizes 10" thru ...................................... + 5/32 - 1/8"
 
INSIDE DIAMETER
The inside dimeter at welding ends shall not vary from nominal more than :
For sizes up to and including 22" ............................. ± 1/32"
 
WELDING BEVEL
The welding bevel dimensuons shall not vary from nominal more than :
Bevel angles, 3720 and 200.......................... ± 22%
100.......................................................... ± 10
1/16" land on end ...................... ± 1/32"
 
CENTER - TO - END OF 900 ELBOWS, 450 ELBOWS, TEES.
The center to - end dimension shall not vary from nominal more than :
For sizes up to and including 8" ........................... ± 1/16"
For sizes 10" thru 24" ................................... ± 3/32"
 
CENTER - TO - CENTER OF 1800 RETURNS
The center - to- center dimension shall not vary from nominal more than :
Sizes up to and including 8" .................................. ± 1/4"
Sizes 10" and large* ................................................. ± 3/8"
 
BACK - TO - FACE OF 180 RETURNS
The back -to - face dimension shall not vary from nominal more than :
All sizes* ................................ ± 1.4"
 
BEVEL DETAILS
 
Bevel
   
 
BACK
 
 
 
       
CONTACT US
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UNIQUE CORPORATION
MUMBAI ADDRESS :372, Jyoti Chamber, Narsi Natha Street, 2nd Floor, Room No. 202, Masjid (W), Mumbai - 400009, MAHARASHTRA, INDIA
 
Tel. : 022 23414204 / 23422825
 
E-mail : response@valiagroups.com
 
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