How to open a valve Majewski

What you need to open the bleed screw

valve Majewski - a common name the device.The visitors' name of the device is defined as a radiator air valve needle.The basic working element of the described device is a shut-off valve needle-type, which may be driven with a special tool.

In order to begin work on opening the valve Majewski in a residential area, it is necessary to prepare a number of tools and materials:

• Heating.
• screwdriver.
• wrench.
• pliers.
• vessel for water.

How to open the heating system: Action

Work on opening the valve Majewski plan may consist of several turn-based events:

• preliminary examination and selection tool.
• Preparation of the vessel for draining water.
• opening of the valve.
• Events at the opening is difficult.
• process of release of air in the system, which is under pressure.

How to open the valve Majewski: video, step by step instructions.

Step 1: get acquainted with the bleed screw on the cast iron radiators

Before you begin the process of opening the device it is necessary to make careful inspection.Particular attention should be paid to the fact, which is the program to open the valve.It directly affect the way which tool will be used in the work.It can be hex nut, slotted or grooved head.To open each item should be used accordingly adjustable wrench, flat-blade screwdriver or pliers.

The video clearly demonstrated the principles of work and a way to open the bleed screw to release the air from the heating system.

Step 2: large capacity, where water and air to bleed from

heating system In order not to get water in the interior, it is necessary to drain the vessel.For this handy bucket, bowl or large bowl.Once the air is expelled from the system, the water jet will go.It is necessary to substitute a prepared vessel under a stream or, if it is possible to redirect the stream in a vessel rotating valve.

Step 3: open the bleed screw with their hands

process unscrewing the valve produced pre-prepared tool counterclockwise.

Step 4: What to do if the valve does not open Majewski

If the thread outlet tap rusty and this prevents its opening, it is necessary to treat the rusty surface with kerosene or brake fluid.After treatment, special fluids should knock on them with a hammer.Turn the valve is careful not to strip the threads.

Step 5: How to pull air out of the system with high pressure

necessary to tighten the water tap in the system, and then make an air outlet on the above scheme.

Thus, the article has been described and characterized from the process air outlet of the heating system via valve Majewski.