Ductile Iron Grooved Flange Adaptor FM UL Approved Fire Protection System

Material

Ductile Iron ASTM A 536

Standard

Thread: BSPT(ISO 7/1), NPT (ASME B16.3)

Dimension: ISO 49, DIN 2950, EN10242

Chemical Propety

(C %2.4-2.9),(Si %1.4-1.9),(Mn %0.4-0.65),(P% <0.1),(S% <0.2%)

Physical Property

Tensile strength>=350Mpa, Elongation>=10%,Hardness<=150HB

Testing Pressure

Working Pressure

1.6MPa-2.5MPa

Type

Grooved

Surface

Epoxy Painting / Galvanized /