Type
    Automatic
    shut-off valve
    Appearence
    Structure
    Body material
    Pressure
    tightness (kgf/cm©÷)
    Working
    Maximum
    SP Coupler
    (For 70kgf/cm©÷ hydraulic pressure)
    ¡Û
    ¡Û
    Steel (black oxide)
     
    100
    Stainless steel
    70
    HSP Coupler
    (For 210kgf/cm©÷ hydraulic pressure)
    ¡Û
    ¡Û
    Special steel
    (zinc plated)
    210
    315
    210 Type Coupler
    (For 210kgf/cm©÷ hydraulic pressure)
    ¡Û
    ¡Û
    Carbon steel
    (zinc plated)
    210
    315
    S210 Type Coupler
    (stainless, for 210kgf/cm©÷ high pressure)
    ¡Û
    ¡Û
    Stainless steel
    210
    315
    350 Type Coupler
    (For 350kgf/cm©÷ hydraulic pressure)
    ¡Û
    ¡Û
    Special steel
    (zinc plated)
    350
    525
    450B Type Coupler
    (For 450kgf/cm©÷ hydraulic pressure)
    ¡Û
    ¡Û
    Special steel
    (black oxide)
    450
    1000
    700R Type Coupler
    (For 700kgf/cm©÷ hydraulic pressure)
    ¡Û
    ¡Û
    Special steel
    (black oxide)
    700
    100
    TSP Coupler
    (For medium pressure and general purpose)
    ¤Ñ
    ¤Ñ
    Steel
    (black oxide)
    Brass
    Stainless steel
     
    70
    100
    Lever Lock Coupler
    (For low pressure piping of large diameter)
    ¤Ñ
    ¤Ñ
    Aluminum
    Bronze
    Stainless steel
    210
    315
    SP Coupler
    (For medium pressure and general purpose)
    ¡Û
    ¡Û
    Steel
    (black oxide)
    Brass
    Stainless steel
    70
    100
    SP-V Coupler
    (For vacuum)
    ¡Û
    ¡Û
    Brass
    Stainless steel
    (Oder made)
    70
    100