HUAYU Technology (Energy)

Check Valves Dart Style

High pressure dart valves are adopted in services where the fluid media does not contain abrasive materials.

check valve

These dart check valves are manufactured in 2",3" and 4" sizes for operating pressures up to 15,000 psi. Hammer union end connections are available.

Features

  • Dart seal provides additional protection from back flow upstream of valve
  • Light spring force closes the dart against seat

Application

Oil and gas wells acidizing, cementing, fracturing, sand control, and well kill.

Check Valves Clapper Style

High pressure clapper check valves are designed for fluids heavily laden with proppants, ball sealers and other solids.

These clapper check valves are manufactured in 2",3" and 4" sizes for operating pressures up to 15,000 psi. Hammer union end connections are available in standard or reverse flow.

Features

  • Self-locking design prevents seat from becoming loose during operation
  • Machined from high erosion and high corrosion resistant NACE compliant stainless steel for long life
  • Fully coated clapper

Application

Oil & gas wells acidizing, cementing, fracturing, sand control, and well kill.

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