High vacuum flapper valve production plant

Valve vacuum diaphragm valve, due to its simple structure, small size, light weight, good sealing performance, suitable for pre-pumping and pre-pumping pipelines and non-corrosive gases with a temperature of -25℃～80℃, glass vacuum piston, (also known as Cork ) It is mostly used for the calibration system and glass vacuum system of vacuum measurement. For the same vacuum valve, the valve model should be selected after comparing the structure, performance, parameters, scope of application, leakage rate, sealing material, use method and other comprehensive factors.

Principles and precautions for valve vacuum valve pressure test (1) Under normal circumstances, the valve is not subjected to strength test, but after repairing the valve body and bonnet or the valve body and bonnet damaged by corrosion, the strength test should be conducted. For the valve, its constant pressure And the return pressure and other tests should meet the requirements of the instructions and related regulations. (2) The strength and tightness test of the valve installation should be carried out, the low-pressure valve should be randomly checked 20%, and the vacuum valve should be checked if it is unqualified; medium and high pressure The valve should be checked.

Beipiao Vacuum Equipment Co., Ltd. specializes in the research and development, design and production of vacuum valves, vacuum chambers, molecular pumps and molecular pump units with a highly skilled team, and continues to develop new products. Products are widely used in aerospace, technology, coating, solar energy, vacuum furnace industry, energy, metallurgy, chemical industry and many other industries.

High vacuum valve Electric vacuum valve is a pneumatic valve used to open or block air flow in a vacuum system of 1,3×10-7～6×105Pa. It is widely used in various types of gas, liquid and other positive and negative pressure piping systems. It conforms to GMP Standard, the electric vacuum valve uses an electric actuator to drive the valve stem to rotate 90o to achieve the purpose of switching. M3/S changes the current situation that the ball valve cannot meet high vacuum and ultra-high vacuum; the switching torque is small, the electric actuator is small, and the work is stable and reliable. .

The main contents of daily maintenance of high vacuum valve vacuum valve should include several items (1) the inner wall of the valve body, check its pressure resistance and corrosion resistance, (2) the valve seat, due to the infiltration of the medium, the threaded inner surface for fixing the valve seat is vulnerable If the valve seat becomes loose due to corrosion, pay attention when checking. For vacuum valves, check whether the sealing surface of the valve seat is damaged in high-pressure situations. Check carefully whether all parts of the valve core are corroded and worn, especially in high pressure conditions. The lower spool wears more serious, and the vacuum valve should be paid attention to.

The main service groups of Beipiao Vacuum Equipment Co., Ltd.: colleges and universities; research institutes; customers with high vacuum and ultra-high vacuum requirements. The company takes scientific development, forge ahead, the pursuit of excellence, and casting fine products as the development concept. "Customer first, service first" is the business policy.

High vacuum flapper valve production plant

Before using the above method of screwing out valve bolts, some conventional measures should be taken, such as kerosene soaking and cleaning the surface of oil stains and rust (this is especially important for the screwing method of spot welding, otherwise the welding is not strong), if necessary, It is also possible to heat around the bolts of the vacuum valve and unscrew the bolts under thermoplastic conditions. For the unscrewed bolts, chemical corrosion methods can also be used to properly clean the rusty and corroded bolts and screw holes, which will accelerate the breaking Unscrew the head bolts (after unscrewing the bolts, flush the screw holes with water to prevent the remaining chemicals from corroding the valve parts).

Valve When the mechanical pump stops working, the valve can be opened immediately to let the inlet of the mechanical pump enter the atmosphere to prevent the mechanical pump oil from flowing back into the pipeline. Therefore, the valve should be electrically interlocked with the mechanical pump and the vacuum chamber should also be installed The vent valve is used for loading and unloading. The position of the valve should take into account that the gas has a greater impulse when deflating to prevent damage to the weak components in the vacuum chamber due to excessive impulse. The size of the vent valve and the vacuum The volume of the chamber is related, and the deflation time should not be too long, which will affect the work.

The main products of Beipiao Vacuum Equipment Co., Ltd. vacuum valves include: ultra-high vacuum flapper valve, high vacuum butterfly valve, high vacuum baffle valve, ultra-high vacuum all-metal angle valve, ultra-high vacuum all-metal fine-tuning valve, etc. The valve diameter ranges from 10mm to 1200mm, the applicable temperature range is -80℃~~+400℃, and the applicable pressure range is 105~~10-8pa.

The main products of the vacuum chamber are: arc structure, round structure, square structure, various vacuum pipes can be processed and manufactured according to the drawings, and the cavity size ranges from 0.1 to 16m.