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Valves Beginning of Paper The primary purpose of a valve is to direct the flow of fluids by starting, stopping, and throttling flow to make modern processing possible. are designed to withstand pressure temperature, and flow, and can be found in homes and industry across the world. The most common found .... Middle of Paper .... in industry is a gate valve. A gate valve is typically operated in the wide-open, or completely shut position. This type of valve is used where flow rates are not restricted. Globe valves are the second most common valve used I industry. A globe valve places a movable metal disc in the path of a process flow. This type of valve is most commonly used in the throttling service. Ball valves take their name from the ball-shaped, movable element in the center of the valve. The movable ball rotates to let flow pass through, and c .... 354 words | 2 pages Subscription Length Price Join 30 days membership (recurring) $19.95 90 days membership (recurring) $39.95 180 days membership (non-recurring) $69.95