High temperature & pressure equipment or low temperature, flat flange, etc. With outer Ring made of iron sheet / SPCC (Steel Pipe Carbon Cold) with thickness 3.2 mm

Temp : 500 °C

Press : 150 LBS, 300LBS, 600LBS, 1500LBS.

Standard size :

KS B1 518,

JIS F7 102 450 SU

JIS F7 102 520 SU

JPI 7S-41-85