Q971F overview: Q971F electric ball valve is a rotary type high performance regulator or switch valve type, the industrial automation control (DCS, PLC) instrument source current signal or voltage signal input and output. Q971F electric ball valve can be achieved in the process of pipeline fluid medium ratio adjustment or two bit switch control, so as to achieve the fluid medium flow, pressure, temperature, liquid level and other parameters of the automatic control. Q971F functions and features: 1.Q971F electric ball valve fluid resistance is small, is the smallest of all types of valve fluid resistance. With AC220V, AC380V or DC24V supply voltage as the power, accept (4-20mA, 0-10mA or 1-5VDC) current signal or voltage signal, can control the operation. Q911F electric valve angle stroke to the output torque of the ball rotated 0~90 degrees, to open and close or adjust the action. 2.Q971F electric ball valve is a full electronic electric actuator, mechanical and electrical integration structure. The Q911F electric ball valve has the function of the servo operation and the position feedback, position indication, manual operation and so on. Q911F electric ball valve through the input current or voltage signal, changing the angle of rotation of the ball core (0-90 degrees from any angle), to achieve proportional control action. 3.Q971F electric ball valve core channel is smooth, easy to deposit the medium can be pipelined through the ball. The utility model has the advantages of simple structure, light weight and good sealing performance. Q911F electric ball valve is especially suitable for occasions requiring zero leakage rate. 4.Q971F electric ball valve effectively reduces the friction coefficient between the ball and the sealing ring, reducing the operating torque. When the medium pressure is small, the Q911F electric ball valve sealing ring and ball contact surface is small, it is larger than the pressure seal, ensure reliable sealing, when the medium pressure, Q911F ball valve sealing ring and the ball contact area increases, so the seat ring can withstand large medium thrust without damage, ensure reliable sealing. Part material:
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Electric ball valve diameter mm |
DN15-DN150 |
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Material code |
C(WCB) |
P(304) |
R(316) |
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Main parts |
valve body |
WCB |
ZG1Cr18Ni9Ti |
ZG1Cr18Ni12Mo2Ti |
|
sphere |
2Cr13、(304) |
1Cr18Ni9Ti |
1Cr18Ni12MoTi |
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The stem |
2Cr13 |
1Cr18Ni9Ti |
1Cr18Ni12MoTi |
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Seat Tightness |
Reinforced PTFE, para polyphenyl, hard alloy steel seal |
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filler |
PTFE, flexible graphite |
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Applicable condition |
Applicable medium |
Steam, water, oil |
Alkaline corrosive medium |
Corrosive medium of acetic acid |
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Applicable temperature |
Teflon≤180℃,Para phenylene≤300℃,Metal seal≤425℃ |
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