Electromagnetic flowmeter installation and commissioning steps

installation
In order to facilitate the replacement of parts during use, the flow meter should be installed with sufficient room for maintenance.
In order to test, repair, replace the flow meter and clean the piping, the bypass pipe is installed if necessary.
Newly installed piping should be flushed when installing the flowmeter.
When installing the flowmeter, the pipe fittings connected to the flowmeter should be firmly fixed so as to prevent the stress generated by the pipe from being transmitted to the spinal tube of the flowmeter.
If there is backward flow in the pipeline, especially the effect of water hammer to prevent damage to the flow meter, a one-way check valve should be installed after the downstream valve of the flow meter.
If the fluid to be measured contains large particles or lumps, a filter should be installed upstream of the flowmeter as required.
If the fluid to be measured is a pulsating flow, causing the float to fluctuate, the upstream of the flowmeter should be equipped with an appropriately sized bumper or bespoke device to eliminate pulsation.
Flowmeters should be installed upstream of the flowmeter. The flow control valve is preferably installed at a nominal diameter of 5 to 10 times downstream of the flowmeter.
When the flowmeter is installed in the piping, the minimum value of the flowmeter should be below.
debugging
1. Check the voltage of the power supply before wiring. After confirming, select the appropriate power supply (24V power supply, pay attention to the positive and negative power supply):
2. Turn on the power switch, slowly open the valve above the pipe to ensure that the media is full;
3. At this time, observe whether there is a significant change in flow rate. After the fluid is stabilized, observe the meter to show whether the flow rate is stable and the fluctuation can be within a certain range.
4, conditions permit, you can slowly close the valve, observe the flow changes until it reaches 0;
5. Repeat the above process more than 2 times, no problem, debugging can end.
Technical consultation, product selection, quote please consult Jiangsu Fenghui Instrument Co., Ltd.

Hitachi Escalator Spare Parts

Hitachi Launches New TX Series Escalator for

India, Asia and the Middle East

Hitachi Escalator Parts

Tokyo, August 21, 2017 --- Hitachi, Ltd. (TSE: 6501, [Hitachi") and Hitachi Building Systems Co., Ltd. today announced the launch of the new TX Series escalator for India, Asia and the Middle East. The escalator has already been released in China*1, and will be released in stages across the remainder regions, commencing August 21, 2017.

In July 2016, Hitachi integrated its escalator businesses of Japan and China, consolidating its resources and enhancing its business operations in both countries, centered around its key business location in Guangzhou, China. The new TX Series escalator launched by Hitachi is a model that meets multiple standards in China, India, Asia and the Middle East. The model follows the same concept for the machine room-less elevator for Asia and the Middle East which was launched in September 2016. In addition to conforming to Chinese safety and quality standards for escalator equipment, the TX Series will be manufactured in accordance with Hitachi's own strict standards of safety and quality, adhering to safety standards in all other regions. It also adopts a functional design based on the concept of an escalator that fits closely with the unconscious actions of users, in the pursuit of their ease and comfort.

The TX Series offers flexibility with a selection of various product specifications, as well as its excellent design and safety features, designed to cater to a diverse range of customer needs. It also saves space required for the installation, covering a smaller area in comparison with existing products*2.

Hitachi will begin sales of the TX Series in Thailand, followed by launches in the Philippines, Malaysia and various other regions, and aims to receive orders of 10,000 units in 2018 in China, India, Asia and the Middle East.

Features of the TX Series

  1. Safety
    The TX Series offers various new safety features designed with optimal user safety in mind. The side portions of the steps are 8 mm higher than the central portion to prevent accidents in which a users' shoe can become caught between the step and the skirt (side wall) of the escalator. The new TX series has also been fitted with brushes located at foot level on the left and right skirts to let users know if their foot comes into contact with the side walls. A special finish has also been adopted for the landing plates at the entry and exit points of the escalator to prevent users from slipping when getting on and off the escalator.
  2. Design
    The TX Series adopts a simple and functional design that offers the smoothness, safety and comfort that users unconsciously expect to experience when riding an escalator. For example, by minimizing the size of the metal frame supporting the escalator's balustrades, the TX Series' design maximizes the size of the glass surfaces, and achieves greater simplicity at the entrance and exit points (landings) by reducing the number of recesses and protrusions around the hand rail. Additionally, by expanding the installation space of the light fixture, the TX Series also enables enhanced lighting options for illuminating the entire surroundings of the balustrades.
  3. Space saving
    By shortening the span dimensions*3 by 150 mm, the TX Series has made it possible to install escalators in more confined spaces where installation presents difficulties with conventional product designs.
*1 In China, Hitachi started selling the TX Series escalator in June, 2017.

*2 The made-in-China escalator, [SX series," which is previous model of [TX series."

*3 The span between the beam on upper floor and that on the lower floor of the escalator when the escalator is installed.

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