Installation and Use of the Five-Valve Manifold

The Five-Valve Manifold is based on the traditional Three-Valve Manifold, with two additional drain valves, making a total of five valves. Its primary function is to discharge residual media or impurities from the impulse piping, effectively improving the measurement accuracy of differential pressure transmitters.

Key Features:

• Drainage Function: Two drain valves help clear impurities or residual media in the impulse piping, ensuring measurement accuracy.
• Online Calibration: Supports online calibration of the transmitter zero point, eliminating the need for equipment disassembly, greatly enhancing operational convenience and safety.
• High-Precision Applications: Especially suitable for complex or high-precision applications, such as differential pressure transmitter systems that require frequent calibration, or media like gas and steam that are prone to bubbles or impurities.
• Safety and Reliability: Ideal for high-safety industrial environments, such as chemical and petroleum industries, effectively reducing the risk of medium leakage.

Installation & Operation of the Five-Valve Manifold:

The installation of the Five-Valve Manifold is straightforward, equipped with four bolts and two pressure covers. The installation process involves simply inserting the bolts into the four corner holes, making it easy to complete. If you need to weld the impulse piping, just connect it to the threaded end of the manifold, and the installation is complete and ready for use.

Opening Procedure:

1. Check the Status: Ensure all valves are in the closed position.
2. Open the Balancing Valve: Start by opening the balancing valve.
3. Open the High-Pressure Isolation Valve: Slowly open the high-pressure isolation valve to balance the pressure on both the high and low sides of the differential pressure transmitter.
4. Close the Balancing Valve and Open the Low-Pressure Isolation Valve: Next, close the balancing valve and slowly open the low-pressure isolation valve to ensure the transmitter works properly.

Shut-Down Procedure:

1. Close the High-Pressure Isolation Valve: First, close the high-pressure isolation valve.
2. Open the Balancing Valve: Next, open the balancing valve.
3. Close the Low-Pressure Isolation Valve: Then close the low-pressure isolation valve.
4. Drain the Medium: Finally, open the two drain valves to empty the medium, completing the shut-down process.

Why Choose the Five-Valve Manifold?

The Five-Valve Manifold system not only enhances measurement accuracy but also ensures the long-term stable operation of your equipment. Designed with safety and ease of operation in mind, it is widely used in industries like chemicals, petroleum, power, and food, especially in environments requiring high precision and safety.

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