SAF has installed 85+ ANSI 600 control valves at natural gas extraction facilities in northern Canada.

SlurryFlo Control Valve's patented trim design acts as a variable orifice, centering the abrasive flow. This protects the valve body and downstream piping from erosion, while delivering a quantum leap in service life (lasting 3-10x longer than any other severe service control valve). See below for various applications that have utilized SlurryFlo control valves in natural gas extraction facilities.
Application 1

High Pressure Flashing Valve

  • High pressure drop, multi-phase flashing with high density sand.
  • Up to 5% solids by weight.

Control Valve Design & Trim

  • 6” ANSI 600 – Multi Orifice Trim.
  • Sintered tungsten carbide gate and seat plate (field replaceable).
  • Single-acting pneumatic actuator (fail close spring).
SlurryFlo Control Valve Labelled Parts View - Flashing Control Valve

Field Installation & Inspection

Previous Control Valve (Globe Valve)
Damaged Slurry Globe Valve
Damaged Severe Service Globe Control Valve
Approximate service life: 3 months.
New SlurryFlo Valve
New SlurryFlo Control Valve
Initial Trim Inspection
SlurryFlo Flashing Trim Design Geometry
The trim exhibited minor erosion upon the 6-month inspection and was returned to service (slow predictable wear, as opposed to sudden valve failure).
Application 2

Inlet Header Control Valve

  • Plant inlet header pressure control (natural gas and sand).
  • Meets NACE MR0175 requirements.
  • Elevated sand content.

Control Valve Design & Trim

  • 12” ANSI 600 – E1 Custom Trim.
  • 17-4 (H1150) stainless steel gate and seat plate with tungsten carbide overlay (field replaceable components).
  • Double acting pneumatic actuator with auxiliary fail tank system.
SlurryFlo Control Valve Labelled Parts - Severe Service Inlet Header

Field Installation & Inspection

Previous Control Valve (Ball Valve)
Damaged Severe Service Ball Control Valve
Damaged Slurry Ball Control Valve
Approximate service life: 2.5 months.
SlurryFlo Control Valve
SlurryFlo Control Valve Trim
SlurryFlo Control Valve undamaged after 4 years of service
Approximate service life: 4 years.
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Application 3

Pigging Bypass Control Valve

  • Bypass control valve operates periodically during pigging cycles.
  • Modulates multi-phase fluid with elevated levels of sand.

Control Valve Design & Trim

  • 6” ANSI 600 – C1 Trim.
  • Sintered tungsten carbide gate and seat plate (field replaceable).
  • Double acting pneumatic actuator with auxiliary fail tank system.
SlurryFlo Control Valve Labelled Parts - Pigging ByPass Valve

Field Installation & Inspection

SlurryFlo Control Valve Upon Initial Inspection (6 Months of Service)
SlurryFlo Control Valve Downstream side of trim
SlurryFlo Control Valve Upstream side of trim
Installed in 2014 and has not required service (as of mid 2020). Previous ball valve was replaced on a monthly schedule.
Application 4

Plant Feed Gas Control Valve

  • Plant feed valves (raw natural gas).
  • Pressure control for inlet into slug catcher.
  • Abrasive multi-phase flow requiring high pressure drop.

Control Valve Design & Trim

  • 24” ANSI 600 – E1 Trim.
  • 17-4 (H1150) stainless steel gate and seat plate with tungsten carbide overlay (field replaceable components).
  • Double acting pneumatic actuator with auxiliary fail tank system.
SlurryFlo Control Valve Labelled Parts - Severe Service Plant Feed
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