VC8100 ordinary self-operated pressure regulating valve
Category ：VC8000 Series
Key words: VC8100 ordinary self-operated pressure regulating valve
VC8100 ordinary self-operated pressure regulating valve
Product Name: VC8100 ordinary self-pressure regulating valve
Specifications: DN20-DN300
Product Remarks:
Product category: VC8000 self-regulating valve series
Features
◆ An actuator product that does not require any additional energy and uses the energy of the medium to be adjusted automatically;
◆ The pressure set point can be adjusted on site within the pressure adjustment range;
◆ The modular design of the valve body part and the actuator can change the actuator or spring according to the requirements of the site, so as to realize the rapid change of the pressure adjustment range within a certain range;
◆ The non-balanced structure of this series of valves generally uses bellows as a pressure balance element. The pressure changes before and after the valve do not affect the force of the valve core, which greatly speeds up the response speed of the valve and improves the adjustment accuracy of the valve.
The balanced structure of this series of valves generally adopts balanced double sealing sleeve or double sealing spool as throttling parts, which is suitable for occasions with large pressure drop;
The piston balance for large pressure difference, the temperature is not high occasions;
◆ The diaphragm type actuator adopts rubber sheet as the detection element, which has low resistance, rapid response and high adjustment accuracy. Suitable for pressure setting value ≤ 0.6Mpa;
The piston type actuator adopts the cylinder piston as the detection element, which is suitable for the occasion of high control pressure. Applicable to pressure setting ≥ 0.6Mpa;
The corrugated pipe execution structure adopts corrugated pipe as the detection element, which is suitable for high temperature, low temperature and oil ban and other harsh working conditions.
◆ When the temperature of the medium exceeds 150 ℃, if the diaphragm type and piston type actuator are used, a condenser is required to reduce the temperature of the working medium in the actuator, and the diaphragm or seal is used.
◆ As an accessory, the valve is closed before work to prevent impurities from entering the actuator to protect the diaphragm and seals in the actuator, while avoiding damage to the overall performance due to exceeding the set pressure.
parameters and performance
◆ Valve type: self-operated
◆ Model: VC8100
◆ Nominal diameter: DN20-DN300mm
◆ Nominal pressure: PN1.6,PN4.0,PN6.4/ANSI Class 150,300,600
◆ Body material: ZG230-450, ZG1Cr18Ni9Ti, ZGCr18Ni12Mo2Ti
◆ Flow coefficient CV:8-1867
◆ Flow characteristics: quick opening
◆ Adjustment accuracy: ± 3
_Allowable leakage rate of valve seat: ANSI Class IV;
◆ Connection mode: flange type
◆ Control mode: pneumatic activity type, pneumatic film type
Product Inquiry
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