705 Ductile Iron Coupling
Model # SP-705
The Model SP-705 is designed for connection of grooved low pressure pipe systems.
Available in sizes ¾” to 4” (DN20 to DN100) rated to a maximum working pressure of 600 psi (42 bar), or in sizes 5” to 12” (DN125 to DN300) rated to a maximum working pressure of 300 psi (21 bar).
Material Specification
Housings
- Ductile Iron to ASTM A536
Rubber Gaskets
See page 13 for all available options.
Nuts & Bolts
- Round-head, ellipsoid -neck, carriage bolts, type carbon iron covered with zinc or dacromet.
- Stainless steel nuts ASTM A-193 B-8M.
- Silicone bronze heavy duty nuts to ASTM B98 C65100 for option.