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  • FCouplings seriesST primary
  • Fluid Couplings, Series ST, Straight Through FlowCapacity
  • FCouplings seriesST secondray

Series ST straight through couplings are designed for use where minimum pressure drop is required and valving is not needed. They are well suited for use on pressure wash, steam and carpet cleaning equipment, and many fluid transfer systems. Body sizes range from 1/8" to 2½".

Features:

  • Ball lock
  • Manual operation
  • Smooth bore permits free flow of liquid or gas
  • Male and female NPTF, BSPP and hose stem connections
    • Unit of Measure

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    Item #

    Size

    Temperature

    Interchangeability

    Rated Pressure: Brass

    Rated Pressure: Steel

    Rated Pressure: Stainless Steel
    N/A 1/8 in N/A -40 to 250 ºF-40 to 121 ºC N/A Other Manufacturers’ ST Style Couplings N/A 2,800 psi193 bar N/A 3,400 psi234 bar N/A 4,200 psi290 bar
    N/A 1/4 in N/A -40 to 250 ºF-40 to 121 ºC N/A Other Manufacturers’ ST Style Couplings N/A 5,200 psi359 bar N/A 5,500 psi379 bar N/A 7,500 psi517 bar
    N/A 3/8 in N/A -40 to 250 ºF-40 to 121 ºC N/A Other Manufacturers’ ST Style Couplings N/A 2,800 psi193 bar N/A 4,200 psi290 bar N/A 6,300 psi434 bar
    N/A 1/2 in N/A -40 to 250 ºF-40 to 121 ºC N/A Other Manufacturers’ ST Style Couplings N/A 2,200 psi152 bar N/A 3,500 psi241 bar N/A 3,600 psi248 bar
    N/A 3/4 in N/A -40 to 250 ºF-40 to 121 ºC N/A Other Manufacturers’ ST Style Couplings N/A 1,700 psi117 bar N/A 2,100 psi145 bar N/A 3,000 psi207 bar
    N/A 1 in N/A -40 to 250 ºF-40 to 121 ºC N/A Other Manufacturers’ ST Style Couplings N/A 1,300 psi90 bar N/A 2,000 psi138 bar N/A 2,000 psi138 bar
    N/A 1 1/4 in N/A -40 to 250 ºF-40 to 121 ºC N/A Other Manufacturers’ ST Style Couplings N/A 1,700 psi117 bar N/A 2,700 psi186 bar N/A 2,200 psi152 bar
    N/A 1 1/2 in N/A -40 to 250 ºF-40 to 121 ºC N/A Other Manufacturers’ ST Style Couplings N/A 1,400 psi97 bar N/A 2,200 psi152 bar N/A 2,500 psi172 bar
    N/A 2 in N/A -40 to 250 ºF-40 to 121 ºC N/A Other Manufacturers’ ST Style Couplings N/A 1,400 psi97 bar N/A 2,200 psi152 bar N/A 1,500 psi103 bar
    N/A 2 1/2 in N/A -40 to 250 ºF-40 to 121 ºC N/A Other Manufacturers’ ST Style Couplings N/A 900 psi62 bar N/A 1,500 psi103 bar N/A