Steel Pipe Couplings

American Standard : ASTM A865 - Steel Merchant Couplings & Half Couplings

Merchant Coupling

JD 112

 

ASTM A 865ANSI B1.20.1
  
Nominal diameter in inch 1/8" 1/4" 3/8" 1/2" 3/4" 1" 1"1/4 1"1/2 2" 2"1/2 3" 4" 5" 6"
Nominal diameter in mm 6 8 10 15 20 25 32 40 50 65 80 100 125 150
Diameter in mm 14,3 18,3 22,23 27 33,3 40 48,26 55,88 69,85 82,55 101,6 127 159,9 187,7
Length in mm 19,1 28,6 28,6 38,1 39,7 49,2 50,8 50,8 52,38 77,78 80,96 87,3 93,66 100
Internal threading is straight tapped from 1/8" to 2". From 2"1/2 to 6", internal threading is taper tapped.

Half Coupling

JD 144

 

 ANSI B1.20.1
  
Diameter in mm 14,3 18,3 22,23 27 33,35 40,03 48,26 55,88 69,85 82,55 101,6 127    
Length in mm 8,73 13,49 13,49 18,25 19,05 23,81 24,6 24,6 25,4 39 41 44    
Internal threading is straight tapped from 1/8" to 2". From 2"1/2 to 4", internal threading is taper tapped.


As an alternative to ASTM taper tapped Coupling (2"1/2 to 6"),
Delcorte propose straight tapped internal threading from 2"1/2 to 6"

Merchant Coupling

JD 111

 

  
  
Nominal diameter in inch 1/8" 1/4" 3/8" 1/2" 3/4" 1" 1"1/4 1"1/2 2" 2"1/2 3" 4" 5" 6"
Nominal diameter in mm 6 8 10 15 20 25 32 40 50 65 80 100 125 150
Diameter in mm                   82,55 101,6 127 159,9 187,7
Length in mm                   77,78 80,96 87,3 93,66 100

As an alternative, Delcorte propose straight tapped internal threading from
2"1/2 to 6".

Half Coupling

JD 146

 

  
  
Diameter in mm                   82,55 101,6 127
Length in mm                   39 41 44
8" - 10" - 12" available on request
 
These Couplings are available in Black, Electro Plated & Hot Dip Galvanised

Ask for any Special Length Sockets or any Special Sockets on drawings!

Ask for any water well couplings!




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