Performance characteristics of MAC solenoid valves in the United States

NegotiableUpdate on 05/06

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Overview

Performance characteristics of American MAC solenoid valve: ① The valve should be installed upright and vertically on the pipeline. In situations where the valve has a large self weight and there is vibration, a support frame should be added. The valve body of $r $n ② should avoid excessive stress caused by the serious difference in axis between the front and rear piping or the flanges being adjusted. Before the initial start of work and after shutdown maintenance, the piping system should be flushed before installing the regulating valve. Or install a transition filter in front of the valve. $r $n ④ The regulating valve must be installed according to the arrow on the flow direction of the MAC solenoid valve body in the United States.

Product Details

Performance characteristics of MAC solenoid valves in the United States

52A-11-D0B-DM-DDDJ-1JM

52A-11-D0B-DM-DDAA-1BA

52A-11-FOB-GM-GDFA-1BA

52A-11-D0B-DM-DDAJ-1JD

52A-11-DOA-DM-DDAJ-1JM

52A-11-DOB-DM-DDAJ-1KJ

American MAC solenoid valves are classified by function: water American MAC solenoid valves, steam American MAC solenoid valves, refrigeration American MAC solenoid valves, low-temperature American MAC solenoid valves, gas American MAC solenoid valves, fire American MAC solenoid valves, ammonia American MAC solenoid valves, gas American MAC solenoid valves, liquid American MAC solenoid valves, miniature American MAC solenoid valves, pulse American MAC solenoid valves, hydraulic American MAC solenoid valves, normally open American MAC solenoid valves, oil American MAC solenoid valves, DC American MAC solenoid valves, high-pressure American MAC solenoid valves, explosion-proof American MAC solenoid valves, etc.

Valves such as MAC solenoid valves in the United States need to rotate 1/41/2 turns when closing or opening to the end (i.e. bottom dead center or top dead center), so that

The thread fits better to facilitate inspection during operation and prevent damage to the valve due to over tightening.

Some larger caliber American MAC solenoid valves and globe valves are equipped with bypass valves. The function of the bypass valve is to balance the pressure difference between the inlet and outlet,

Reduce the opening torque. When opening, the bypass valve should be opened first, and then the main valve should be opened.

Before opening the steam valve, the pipeline must be preheated to discharge condensed water. When opening, it should be done slowly to avoid water hammer and damage to the valve

Doors and equipment. When opening and closing ball valves, butterfly valves, and plug valves, when the groove on the top surface of the valve stem is parallel to the channel, it indicates that the valve is fully open

Location; When the valve stem is rotated 90 degrees to the left or right and the groove is perpendicular to the channel, it indicates that the valve is in the fully closed position. There is an American MAC

The solenoid valve is opened when the wrench is parallel to the channel and closed when it is perpendicular. The operation of three-way and four-way valves should be done by opening, closing, and reversing

After marking, the movable handle should be removed.

① Safety: The safety of personnel and equipment during the installation process.

② Control performance: The pressure loss of the piping system should be consistent with the pressure loss considered when calculating the size of the regulating valve to ensure the required flow characteristics. Import and export should strive to ensure sufficient straight pipe sections.

③ Installation location: There should be sufficient space for manual operation by operators (including bypass operation) and the possibility of on-site disassembly and maintenance of regulating valves and accessories.

④ American MAC solenoid valve group: Generally, bypass valves with shut-off valves and regulating valves are installed in the process piping to form a valve group to meet the needs of continuous operation of equipment. Use a shut-off valve to isolate the regulating valve during maintenance. Adjust with a bypass valve. Four recommended arrangements for regulating valve groups are shown in Figure 4 below.

Performance characteristics of MAC solenoid valves in the United States