Steel Merchant and API Line Couplings

Steel Merchant and API Line Couplings

• Meets or exceeds all applicable ASTM, ANSI and API standards
• Merchant Couplings stocked 1/8" - 6" diameters
• API Line Couplings stocked 1/8" - 8" diameters
• API Couplings are rated at 300 PSI
• API Couplings have tapered threads per API 5B
• Full stock of specialty couplings, such as Half Couplings and Right and Left Couplings

Dimensions

Nom. Diam. in Inches 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” 8"
Standard Merchant Coupling  
O.D. In. 0.563 0.721 0.876 1.064 1.314 1.577 1.901 2.202 2.752 3.251 4.003 5.004 6.300 7.395 -
Length In. 0.813 1.188 1.188 1.563 1.626 2.001 2.064 2.064 2.126 3.127 3.252 3.502 3.752 4.003 -
Half Coupling  
O.D. In. 0.563 0.721 0.876 1.064 1.314 4.577 1.901 2.202 2.752 3.251 4.003 5.004 6.300 7.394 -
Length In. 0.344 0.532 0.532 0.721 0.753 0.938 0.969 0.969 1.001 1.501 1.564 1.690 1.824 1.938 -
API Coupling  
O.D. In. 0.563 0.719 0.875 1.063 1.313 1.576 2.054 2.200 2.875 3.375 4.000 4.625 6.296 7.390 9.625
Length In. 1-1/16 1-5/8 1-5/8 2-1/8 2-1/8 2-5/8 2-3/4 2-3/4 2-7/8 4-1/8 4-1/4 4-1/2 4-5/8 4-7/8 5-1/4
                               

 

 

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