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Simbirsk Technologies Ltd

2801 Baglyos Circle
Lehigh Valley Industrial Park VI
Bethlehem, PA 18020 USA
strahman@strahman.com
Toll Free: 877-787-2462

Sampling Valves


Strahman sampling valves extract fluid directly from the pipeline. They can be used under high pressure or even high vacuum conditions.

Strahman’s line of sampling valves produces samples without failure. (Sediment or clogging cannot stop this valve from producing a live sample.) In the closed position, the valve piston extends to the inner surface of the pipe and prevents any possibility of the valve inlet becoming plugged. When the valve is in the open position, the piston retracts into the bonnet allowing a full flow.

The main function of these valves is to draw a live sample from the process. Product may be added to the pipeline through the valve (injection) or removed from the pipeline (sampling).

Disc Type

Strahman’s Quik Sampling Valve was designed specifically for customers who require precise sampling control and operator safety. The QSV-700 combines a linear rising valve stem with quarter-turn actuation and a soft-seat designed to ANSI seat leakage class VI. Constructed of 316 stainless steel-wetted parts, the QSV-700 is available with tip extensions up to 6 inches. The QSV-700 can also be used for injection service (reverse flow) of process chemicals, cleaning agents and other applications. It is suitable for handling fluids that do not have suspended solids that can lodge under the seat.

Plunger Type

Strahman’s line of sampling valves produces samples without failure. (Sediment or clogging cannot stop this valve from producing a live sample.) In the closed position, the valve piston extends to the inner surface of the pipe and prevents any possibility of the valve inlet becoming plugged. When the valve is in the open position, the plunger retracts into the bonnet allowing a full flow. There are no dead spots in the valve. Two compressible valve rings keep the valve sealed and leak free.

AVAILABLE VALVE MODELS:

  • SV-500 (3/8” x 1/4” & 3/8” x 3/8” NPT)
  • SV-600 (1/2” x 3/8” & 1/2” x 1/2” NPT)
  • SV-700 (3/4” x 1/2” & 3/4” x 3/4” NPT)
  • SV-800 (1” x 3/4” & 1” x 1” NPT)
  • SV-900 (1 1/4” x 1” NPT)
  • SV-1000 (1 1/2” x 1 1/4” NPT)
  • SV-700FLG (3/4” & 1” ANSI 150 Integral Inlet Flange)
  • SV-800FLG (1” ANSI 150 Integral Inlet Flange)
  • HARD SEAT DESIGN AVAILABLE FOR ANSI 600, 1000°F SERVICE
  • SV-7HS (3/4” X 1/2” & 3/4” NPT)
  • SV-8HS (1” X 3/4” & 1” NPT)

 

Quick Advance Sampling Valve

Piston Type Sampling Valves are widely employed in the sampling of thick slurries and viscous materials because their design provides little to no dead space within the valve and vessel or line connection. The piston completely fills the valve and connection bores and provides a self-cleaning (self-pigging) action during the closing stroke of the valve. The common design of this type of valve also utilizes a very long stroke to completely withdraw the piston from the media flow.

Strahman’s new Quick Advance Sampling Valves offer all of the features typically found in piston type sampling valves with the convenience of a quick open/close feature of a ball valve. The QA series uses a rack and gear combination to maintain the linear motion of the piston and provides the valve with a full piston design while traveling just 1/3 turn. This results in less time and labor required to collect a true, representative sample.

STANDARD FEATURES FOR QA SERIES PISTON TYPE SAMPLING VALVES

  1. SINGLE PULL ACTUATION TO OPEN / CLOSE — using just a 1/3 turn the valve can be stroked from full open to full closed position. The rack and gear combination translates the rotary motion into linear movement.
  2. FULL PISTON DESIGN — the piston fills the entire bore of the valve with no clearance. A true representative sample is always assured.
  3. COMPRESSIBLE PACKING RINGS — employing a pair of rings above and below the valve discharge provides a seatless design that meets the requirements of ANSI leakage Class VI.
  4. FLOW CONTROL — inherent design features flow control sample positions and provide metering flow options to ensure accurate sample quantities
  5. INTEGRAL HANDLE LOCK — The handle includes a locking device that ensures the valve will not open under process pressure, vibration or by incidental contact.
  6. SAFETY STOP — prevents the QA series valve from opening if the handle is released.
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