flow control check valve / precision / steel / spring
SPM® SD WEIR Oil & Gas



  • Applications:

    flow control, precision

  • Material:


  • Other characteristics:

    spring, flow control, standard

  • Pressure:

    Min.: 0 psi

    Max.: 15,000 psi

  • DN:

    Min.: 2 in

    Max.: 4 in


Weir SPM Check Valves are made of almost adamant steel and precisely made for tolerance of clapper styles in 2" through 4" sizes, dart styles in 1" through 3" sizes, and CO2/nitrogen styles in 2" and 3" styles. The standard coating and superior acid resistant coating to give extensive function in corrosive process. The valves function at working pressures from 6,000 to 20,000 psi in applications such as acidizing, cementing, fracturing, and energized fluids. These valves are color-coded for safety and convenience and made with concrete forgings enabling maximum abrasion resistance and durability and carries the complete line of Check Valves available in its industry. Wide configurations are provided, including wing-ahead or thread-ahead models.