• Manufactured in accordance with ASTM specification A865.
  • Merchant couplings in sizes 1/8 NPS (6 DN) through 2 NPS (50 DN) are normally supplied straight tapped. Sizes 2 1/2 NPS (65 DN) and larger are taper tapped.
  • Taper tapped standard merchant couplings in sizes 1/8 NPS (6 DN) through 2 NPS (50 DN) are available upon request.
  • API line pipe couplings are used in all sizes over 6 NPS(150 DN).
  • Couplings from 1/8 NPS (6DN) through 2 NPS (5ODN) are dipped in rust preventative.
  • Couplings 2 1/2 NPS (65 DN) and larger are phosphated.
  • Galvanized full couplings are also available.
  • Half couplings are chamfered on one end and squared on the other.
Unit of Measure

NPS

N/A 3 1/2

DN

N/A 90

Outside Diameter

N/A 4.625 inches

Outside Diameter

N/A 117.00 mm

Length (Full)

N/A 3 3/8 inches

Length (Full)

N/A 86 mm

Length (Half)

N/A 1 5/8 inches

Length (Half)

N/A 41 mm

Threads

N/A 8 inches

Threads

N/A 203 mm

Weight/100 Pieces (Full)

N/A 519.00 lbs

Weight/100 Pieces (Full)

N/A 235 kg

Weight/100 Pieces (Half)

N/A 254 lbs

Weight/100 Pieces (Half)

N/A 115 kg