220 Sockts, (Coupling) , Banded with Ribs Parallel Threads

Material: Malleable iron
Surface finish: Hot DIP galvanizing or black
Shape: Equal or reducing
Colors: White or black
Type: Coupling
Techniques: Casting and malleable
Head code: Circular or square
Connection: Female
Ribs: Optional
Mechanical properties:
Tensile strength: >330N/mm
Elongation: >8%
Hardness: 180HB
Working pressure: 1.6MPa
Test pressure: 2.4MPa
Concentric reducing socket, beaded, plain and banded
Standards:
American:
Materials: ANSI/ASME A197-79
Threads: ANSI/ASME B1.20.1
Dimension: ANSI/ASME B16.3-85
DIN:
Materials: DIN 1692
Threads: ISO 7/1 and DIN 2999
Dimension: EN 10242 and DIN 2950
British:
Materials: ISO 5922, BS 143 and BS 1256
Threads: ISO 7/1
Dimension: ISO 49
Used for water, oil, air and coal gas pipes
HS code: 73071900