Detailed Product Description
ZAZP electrically operated single-seat regulating valve
ZAZP, ZAZM electrically operated single-seat, sleeve regulating valve, accepts direct current signal which the regulation meter comes, changes is moved the medium current capacity, causes to be accused the technological parameter maintains at the given value. Widely applies in Industry sector's and so on electric power, metallurgy, chemical industry, petroleum, light industry, drugs manufacture, papermaking production automation controls.
This serial products nominal size by 20 to 200mm, the nominal pressure has 1.0, 1.6, 4.0, 6.4MPa, the application temperature scope by - 40~450, accepts the signal is 0~10mA .DC or 4~20mA.DC. And the electrically operated single-seat regulating valve is suitable for the differential pressure is small, the medium viscosity is big or has the pellet impurity situation slightly. The electrically operated sleeve regulating valve is suitable for the differential pressure big situation. Divides according to the valve contents package material quality also has the metal - metal and the nonmetallic - metal seals two kinds, the latter valve shuts down when the spillage may reach VI level (zero divulging) the standard. Different may divide into the common packing seal and the corrugated pipe according to the padding seals two kinds, the former uses in the general situation, but outside the latter uses in the important situation which does not allow to leak. The discharge characteristic is the linearity or and so on percentages. Uses for parts the different implementing agency to be possible to divide into popular and the electron two kinds. Many and varied variety specification may supply the choice. |
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Product characteristic |
· the valve chest according to the hydromechanics principle design's constant section low resistance to flow flow channel, the rated flow coefficient increases 30%.
· may the regulation band be big, the inherent adjustable ratio is 50, the discharge characteristic has the straight line and so on percentages.
· the electrically operated sleeve regulating valve valve plug is equipped with, the underneath balancing hole, the balance force is not small, the valve stability is good, sleeve interchangeable, the use differential pressure is big.
· the adjustment cut-off uses the soft seal structure valve core, reaches VI level of divulging standard (zero divulging).
· the servo amplifier uses the depth dynamic negative feedback, may increase the automatic control precision.
· the electrically operated manipulator has many kinds of forms, suitably in 4~20mA.DC or 0~10mA.DC.
· the electron electrically operated regulating valve may by the electric current signal control valve opening, not need the servo amplifier directly.
· the corrugated pipe seal regulating valve forms the complete seal to the motion valve lever, stops up outside the fluid to leak certainly.
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Components material |
Valve chest, valve cover: HT200, ZG230-450 ZG1Cr18Ni9Ti
Valve core: 1Cr18Ni9Ti, department too lai alloy built-up welding enhancement teflon
Padding: Teflon, flexible graphite
Throwout lever, bushing: 2Cr13
Filling piece: Rubber asbestos board, 10, 1Cr18Ni9Ti asbestos winding filling piece
Corrugated pipe: 1Cr18Ni9Ti
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