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).
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.
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:
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
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