SFL-1s小排量安全阀，来自韩国
Material
BODY/BONNET: BRONZE
TRIM: BRASS
Working Pressure
0.35~1, 1~2.5 ，2.5~5.5, 5.5~11kgf/cm2
Working Temperature
MAX. 220℃
PT screwed
LEVER : STEAM / AIR
NO LEVER : WATER / LIQUID