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Home > Petrochemical & Chemical > Strahman Valves> Sampling Valve  
 
Sampling Valve  
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Strahman Sampling Valve

Strahman sampling valves extract fluid directly from the pipeline. They can be used under high pressure or even high vacuum conditions. The ram tip is contoured to match the pipe¡¯s inside surface when closed so as not to disrupt fluid flow in the pipe.

There is no flange between the main pipe and valve body. This feature is effective for polymer applications to prevent polymer freezing in the valve.

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 make a link between the inside and the out side of a 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, 1000F SERVICE
SV-7HS (3/4¡± X 1/2¡± & 3/4¡± NPT)
SV-8HS (1¡± X 3/4¡± & 1¡± NPT)

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