Discharge Ball Valve

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Tank Truck Valves

Tank truck ball valves for flow control of liquid, gas and slurry

Specifications

Nominal diameter: 2''/2.5''/3''/4''/6''
Nominal pressure: 0.6MPa
Seal material: PTFE
Material: Aluminum alloy
Installation: Flange
Temperature range: -40℃ to 70℃

Product Overview

The discharge ball valve is a flow control component used on tank trucks and industrial pipelines to regulate the movement of liquids, gases, and slurries. Designed for reliable shut-off and ease of operation, it is suitable for demanding environments in fuel transport, chemical processing, gas distribution, and water management systems.

Our ball valve consists of a valve body, rotating ball, valve stem, and sealing elements. When the internal ball’s bore aligns with the pipe axis, fluid flows freely through the valve. A 90-degree rotation blocks the flow, effectively isolating the system. Its simple mechanism ensures low torque operation, high sealing reliability, and long service life.

The discharge ball valve is available in multiple sizes and materials to accommodate various media types and working pressures, making it a versatile solution for mobile and stationary flow systems.

Features

Excellent sealing performance between the ball and valve seat prevents leakage, ideal for systems with high sealing requirements
Quarter-turn operation (90° rotation) enables quick, effortless opening and closing
Full-bore design allows for unobstructed flow, minimizing pressure loss and maximizing throughput

How can I tell if the ball valve is open or closed?

When the valve handle is perpendicular to the pipeline, the valve is closed. When it is parallel, the valve is open. This provides a clear visual indication of flow status.

How is the flow direction of the ball valve identified?

Flow direction is usually marked by an arrow on the valve body. The handle orientation also typically aligns with the flow direction when the valve is open.

What happens if the discharge valve is not opened during operation?

If the discharge valve remains closed and no alternate flow path exists, the pump will continue to recirculate liquid within the housing, causing rapid temperature rise. This can lead to vaporization, pressure buildup, and potential equipment damage.

Do the seals require frequent adjustment?

No. Our ball valves feature hydraulically balanced floating seals that self-compensate for wear, even under high pressure. O-rings are easy to replace, and there's no need to add or remove gaskets or make manual adjustments.