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Electric sleeve control valve has the advantages of larger flow coefficient than double-seat valve, …
Description:
A brief introduction: ZAZM seriesElectric control valve sleeveThe two part DKZ series straight stroke electric actuator and valve sleeve.Based on the single-phase AC 220V power supply for power, accept 0~10mA or 4~20mA DC signal, automatic control valve opening, so as to achieve a continuous adjustment of pressure, temperature, flow, level and other parameters of the. Two, widely used: ZAZM seriesElectric control valve sleeveWith large flow coefficient than the valve seat, and allowing a large pressure difference, good stability, easy to produce vibration, has the advantages of strong applicability, automatic control system is widely used in electric power, metallurgy, petroleum, chemical industry, light industry and other industrial sectors. Three, allow pressure: ZAZM seriesElectric control valve sleeveElectric control valve sleeve standard assembly allows a larger pressure difference, but considering the erosion of fluid medium on the valve plug, the sleeve and the pressure difference caused by noise and vibration, so when the valve pressure exceeds 3MPa, it should take corresponding technical measures. Fourth, the main technical parameters:
The nominal diameter of DN (mm)
Twenty-five
Forty
Fifty
Eighty
One hundred
One hundred and fifty
Two hundred
Rated flow coefficient Kv
Total amount
Fifteen
Thirty-five
Fifty
One hundred and twenty-five
One hundred and ninety
Four hundred
Six hundred and thirty
Zero point six
Nine
Twenty
Thirty
Seventy-five
One hundred and fifteen
Two hundred and forty
Three hundred and fifty
Flow characteristics
Linear, equal percentage
Nominal pressure PN (MPa)
1.6, 4, 6.4
Connection type
Flange connection: PN1.6 according to the JB79-59 standard
With the actuator model
DKZ-310
DKZ-410
DKZ-410
A pump thrust (N)
Four thousand
Six thousand and four hundred
Six thousand and four hundred
Stroke L (mm)
Sixteen
Twenty-five
Forty
Sixty
Total travel time (S)
Twelve point five
Twenty
Thirty-two
Forty
Mode of action
Electrical open (K) commonly used electric closed (B);
Input signal
0~10mA 4~20mA DC
Power supply
220V; 50~60Hz
The inherent adjustable ratio R
30:1
Five, the main technical performance index:
project
Technical performance index
Basic error%
Less than 5
Differential%
Less than or equal to 3
Dead%
Less than or equal to 5
Leakage
0.01% * valve rated capacity
The rated flow coefficient error%
Less than 10
Six, material and suitable temperature range:
body material
Material
Nominal pressure (MPa)
Suitable temperature range (c)
Room temperature
Hot plate type
cast steel
ZG230~450
4.0, 6.4
-40~250
-40~450
Cast stainless steel
ZG1Cr18Ni9Ti
ZG0Cr18Ni12Mo2Ti
4.0, 6.4
-40~250
-60~450
Seventh, dimensions:
The nominal diameter of DN (mm)
A * B
L
H1
H2
PN1.6
PN4.0
PN6.4
Room temperature
Cooling type
Twenty-five
Thirty-two
230 x 460
One hundred and eighty-five
One hundred and ninety
Two hundred
Six hundred and seventy
Eight hundred and twenty
One hundred and four
Two hundred
Two hundred and ten
Two hundred and ten
Six hundred and seventy-three
Eight hundred and twenty-three
One hundred and seven
Forty
Two hundred and twenty
Two hundred and thirty
Two hundred and thirty-five
Six hundred and ninety-three
Eight hundred and forty-three
One hundred and twenty-six
Fifty
Two hundred and fifty
Two hundred and fifty-five
Two hundred and sixty-five
Six hundred and ninety-eight
Eight hundred and forty-eight
One hundred and thirty-one
Sixty-five
Two hundred and seventy-five
Two hundred and eighty-five
Two hundred and ninety-five
Seven hundred and ninety-nine
Nine hundred and fifty-nine
One hundred and seventy-five
Eighty
230 * 530
Three hundred
Three hundred and ten
Three hundred and twenty
Eight hundred and nine
Nine hundred and sixty-nine
One hundred and ninety
One hundred
Three hundred and fifty
Three hundred and fifty-five
Three hundred and seventy
Eight hundred and twenty-one
Nine hundred and eighty-one
Two hundred and two
One hundred and twenty-five
Four hundred and ten
Four hundred and twenty-five
Four hundred and forty
Eight hundred and seventy-two
One thousand and eighty-seven
Two hundred and fifty
One hundred and fifty
Four hundred and fifty
Four hundred and sixty
Four hundred and seventy-five
Eight hundred and eighty-two
One thousand and ninety-seven
Two hundred and sixty
Two hundred
260 x 630
Five hundred and fifty
Five hundred and sixty
Five hundred and seventy
Nine hundred and twenty-four
One thousand one hundred and thirty-nine
Three hundred and two
Two hundred and fifty
Six hundred and seventy
Sixty-six
Six hundred and seventy
One thousand one hundred and fifty-six
One thousand three hundred and sixty-eight
Four hundred and twenty-two
Three hundred
Seven hundred and forty
Seven hundred and eighty-five
Eight hundred
One thousand two hundred and fifteen
One thousand four hundred and twenty-seven
Four hundred and eighty-four
Design of ordering and selection of notes: 1, the product name and model of the products of the nominal diameter of pressure material by the use of the medium temperature and products with the attachment so that we provide you the correct selection. 2, if you have special request, please specify when ordering products in. 3, if the unit has been selected by the design model, please press the model directly to our sales department order. 4, the occasion is very important when using more complex or the environment when you try to provide design drawings.