dome valve, inflatable dome valve

材质：

碳钢

规格：

DN50-DN2000

型号：

YDF

Dome valve, inflatable dome valve Product description: Scope of application: The dome valve is a new type of quick opening and closing valve. It is currently the key to the pneumatic ash conveying system of thermal power plants in the world with the largest number of applications and the best application effect. valve. Mainly applicable to electric power, metallurgy, chemical industry, food, pharmaceutical and other fields. The inlet, outlet, exhaust port, blow-assist port, discharge blockage port and pipeline switching quick-closing type for dry ash and dry powder materials in the pneumatic conveying system. The excellent performance of the products has been fully verified in many years of market operation, and has won the trust of our customers.
Dome valve, inflatable dome valve product features:
Flexible opening and closing, no erosion of the valve core. During the switching process of the dome valve, the valve core maintains a certain gap between the valve core and the special rubber ring. When the valve core moves, it has no contact with the sealing ring. The running resistance is small, the rotation is flexible and reliable, and the sealing ring has a long service life. When the valve is opened, The material port has full flow without obstruction, which avoids direct erosion of the valve core by materials.
.Tight sealing and excellent performance. The sealing ring of the dome valve adopts an inflatable rubber sealing ring with good sealing performance. When the dome valve is in a closed state, the rubber ring inflates and expands, tightly wrapping the spherical valve core to form a very reliable sealing ring with a tight seal, thereby effectively cutting off the flow of materials in the pipeline.
3. Exquisite material selection and scientific technology. The valve core is a key component of the dome valve. Different wear-resistant materials are used according to different operating conditions to make the product resistant to wear and erosion. The smooth and hard surface of the valve core ensures close contact between the valve core and the sealing ring. , achieving the best configuration of sealing.
.Automatic control and reliable operation. The pneumatic actuator of the dome valve adopts a fully enclosed push rod straight stroke cylinder, angle stroke cylinder or sector cylinder. It has reliable performance and large output torque, which can meet the requirements of harsh working conditions. Work.
Working principle:
The dome valve core is a spherical dome. During the switching process of the dome valve, a gap of . is maintained between the valve core and the rubber sealing ring, so that the valve core and the sealing ring can The purpose of non-contact movement is to prevent friction between the valve core and the sealing ring and reduce wear. The pneumatic actuator component of the dome valve is a fully enclosed rotary linear cylinder, which directly drives the dome valve to rotate, effectively preventing dust from entering and causing wear, leakage, etc. When the dome valve is in a closed state, When the rubber is inflated, it expands and presses tightly against the spherical dome valve core, thereby forming a very reliable sealing ring, preventing the flow of materials in the pipeline. When the dome valve is opened, the rubber sealing ring is exhausted and the dome valve core is opened. At this time, the valve is open.
The dome valve core is made of different materials according to different applicable occasions, and the surface is hardened in different ways. The smooth and hard surface of the valve core can ensure good close contact with the sealing ring to ensure reliable sealing. Rubber The ring is made of special materials, which has the characteristics of high temperature resistance, corrosion resistance, wear resistance, aging resistance, etc., and has a long service life. When the valve is open, full flow occurs without blocking.
Technical parameters:
.Nominal diameter: (can also be customized according to user needs)
.Nominal pressure
3. Pneumatic actuator working pressure: .3 Seal inflation pressure is. , the maximum delivery pressure is. Suitable for clean, dry, oil-free hydraulic air.
.Applicable temperature: ℃
.Applicable medium: fly ash, ash, dry dust, solid particles, gas, liquid, etc.
.Scope of application:) Thermal power plant dry ash system (used as feed valve, treatment valve, ventilation valve, balance valve, exhaust valve, blockage valve, ash discharge valve)) Cement, chemical industry, metallurgy, Bulk material conveying system in papermaking, pharmaceutical and other industries. 3) Various types of abrasive media are used for opening and closing on pipelines. ) The main components of the dome valve are: sealing ring and valve core.
. Original split valve core: The dome valve core adopts a split design. When the valve core is worn, only the ball top part of the valve core needs to be replaced without disassembling the valve core base. It is convenient for maintenance and reduces the cost. The user's applicable cost.