instructions
Self operated electric control temperature regulating valve (suitable for larger diameters and heat transfer oil control), the biggest feature of this valve is that it only requires a regular 220V power supply, and uses the energy of the regulated medium to directly adjust and control the temperature of steam, hot gas, hot oil and gas media. It can also be used to prevent overheating or heat exchange. The valve has a simple structure, easy operation, wide temperature control range, fast response time, reliable sealing performance, and can be adjusted freely during operation. Therefore, it is widely used in hot water supply in chemical, petroleum, food, textile, hotel and restaurant departments.
Product Features
The nominal diameter of this series of products ranges from 20 to 200mm, with nominal pressures of 1.0, 1.6, 4.0, and 6.4MPa. The operating temperature range is from -20 ℃ to 350 ℃, and the received signal is from 0 to 10mA DC or 4-20mA DC is used to change the flow rate of the regulated medium to maintain the controlled process parameters at the given values. The single seat regulating type is suitable for situations where the pressure difference is small, the medium viscosity is high, or there are slight particle impurities. The sleeve adjustment type is suitable for situations with large pressure differences.
Main component materials
Valve body and valve cover: HT200、ZG230-450、ZG1Cr18Ni9Ti
Valve core: ZG1Cr18Ni9Ti、 Si Tai Lai alloy overlay welding enhances polytetrafluoroethylene
Packing: polytetrafluoroethylene, flexible graphite
Push rod and liner: 2Cr13
Gasket: Rubber asbestos board, 10, 1Cr18Ni9Ti asbestos wrapped gasket
Bellows: 1Cr18Ni9Ti
technical parameter
Main technical parameters
The performance indicators of this product comply with GB/T4213-92. Technical parameters related to supporting electric actuators
The data in the table is for regular configuration only, and the specific selection depends on the main parameters and user requirements.
Allow pressure difference
performance index
Connection standards
Connection size and standard
Flange standards: Cast iron flanges according to GB4216-84, cast iron flanges according to GB9113-88
Flange sealing surface type: PN10, PN16 are convex surfaces
PN40 and PN64 are concave and convex surfaces, and the valve body is concave
Structural length: GB12221-89
Jacket insulation type jacket heat carrier interface: butt welding with a diameter of 18 × 4
The valve body flange and flange end face distance can be manufactured according to specified standards. Standards such as ANSI, JIS, DIN, etc
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