Downstream Overview. In addition to widespread utilization in upstream and midstream applications, our flow control solutions feature very heavily in downstream ... The downstream section 17 and upstream section 19 refer to a right to left direction of flow of fluid through valve 11 in normal well flow operations. Downstream section 17 and upstream section 19 may be reversed, with the normal well flow left to right, because the valve is symmetrical.
The force on the downstream seat in a floating ball is derived from the process pressure in the upstream pipe pushing on the solid area of the ball in the closed position. If the pressure is high or the area is large, the downstream seat will be destroyed. The tradeoff is that trunnion valves are much more expensive than floating ball designs. Flow Curve and Pressure Drop (Kv) Optimisation & Safety Very compact: up to 50% smaller than valves with separate actuators Simple to install: ready-to-use Common sub-base for solenoid control Automation of the open/close function Operation independent of the upstream and downstream pressure in the circuit Comprehensive Offer
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