SAFETY VALVE SIZING DATA SHEET
    Item Steam
    Liquid
    Gas Mass

    Gas Vol.

    Customer        
    Project        
    Tag No.        
    Medium        
    State        
    Operating Pressure        
    Set Pressure        
    Constant Back Pressure        
    Built-up Back Pressure        
    Variable Back Pressure        
    Overpressure        
    Viscosity ×   × ×
    Mol. Wt. × ×   ×
    Specific Gravity ×   ×  
    Compressibility Factor × ×    
    Operating Temperature        
    Relief Temperature        
    Req'd Capacity        
    Cp/Cv or K Value × ×    
    Body Material        
    Trim Material        
    Accessories        
    Quantity        
    Notes: