It is up to the ISO-7241-A Standard.
Body:Carbon Steel
Seal:NBR
Max pressure:350KG/CM2
Computer NO.:A8115HCMA
Operation temp. range:-20----+80 (degree Centigrade)
Major Applicable Fluid:Frozen Lubricant/Fresh Water/Air/Seawater/
Uses:Hydraulic machine/Gas piping…etc
Valve structure:Double Shut-off
Thread:PT