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Electric through single-seat regulating valve is composed of DKZ series direct-stroke electric actua…
Description：
A brief introduction: ZAZP seriesThrough single seat electric regulating valveThe DKZ series electric actuator and straight through single seat valve is composed of two parts, the single-phase AC 220V power supply for power, take 0 ~ 10mA or 4-20mA DC signal, automatic control valve opening, continuous adjustment of the fluid in the pipeline pressure, flow, level and other parameters of the.The product is sensitive, convenient and energy characteristics of fast signal transmission.Widely used in electric power, metallurgy, chemical industry, textile and other industrial automatic control system. Two,Through single seat electric regulating valveThe material of main parts:
body material
Material
Nominal pressure (MPa)
Suitable temperature range (c)
Room temperature
Cooling type
cast iron
HT200
One point six
-20~200
-
cast steel
ZG230~450
4, 6.4
-40~250
-40~450
Cast stainless steel
ZG1Cr18Ni9Ti
ZG0Cr18Ni12Mo2Ti
4.0, 6.4
-40~250
-60~450
Three,Through single seat electric regulating valveThe main technical parameters:
The nominal diameter of DN (mm)
G3/4 "
Twenty
Twenty-five
Thirty-two
Forty
Fifty
Sixty-five
Eighty
One hundred
One hundred and twenty-five
One hundred and fifty
Two hundred
The seat diameter of DN (mm)
Three
Four
Five
Six
Seven
Eight
Ten
Twelve
Fifteen
Twenty
Twenty-six
Thirty-two
Forty
Fifty
Sixty-six
Eighty
One hundred
One hundred and twenty-five
One hundred and fifty
Two hundred
Rated flow coefficient Kv
Zero point zero eight
Zero point one two
Zero point two
Zero point three two
Zero point five
Zero point eight
One point two
Two
Three point two
Five
Eight
Twelve
Twenty
Thirty-two
Fifty
Eighty
One hundred and twenty
Two hundred
Two hundred and eighty
Four hundred and fifty
Flow characteristics
straight line
Linear, equal percentage
Nominal pressure PN (MPa)
Ten
1.6, 4, 6.4
Connection type
Pipe thread connection G3/4
Flange connection: PN1.6 according to the standard of JB79-59; PN4.0 according to the JB79-59 standard
With the actuator model
DKZ-310
DKZ-310
DKZ-310
DKZ-410
DKZ-410
A pump thrust (N)
Four thousand
Four thousand
Four thousand
Six thousand and four hundred
Six thousand and four hundred
Stroke L (mm)
Ten
Ten
Sixteen
Twenty-five
Forty
Sixty
Total travel time (S)
Eight
Eight
Twelve point five
Twenty
Thirty-two
Fifty
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
Fourth, <strong> electric through single seat control valve</strong> of 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; when the KV is less than or equal to 6.3, is less than 15
Five, allow pressure:
The use of
The valve is open flow, close the valve after the pressure P2 = 0
Nominal diameter DN (mm)
The seat diameter DN (mm)
Actuator Effective thrust (N)
Allowable differential pressure (sMPa)
Through single seat electric regulating valve
PN1.6 (MPa)
PN6.4 (MPa)
3/4
Three
Four
Five
Six
Seven
Eight
Twenty
Ten
Twelve
Fifteen
Twenty
Forty billion ten million two thousand and five hundred
Nominal pressure
Three point eight
Two point seven
One point seven
One
Nominal pressure
4.34.3
Two point five
Twenty-five
Twenty-six
Forty billion ten million two thousand and five hundred
Zero point five
Nominal pressure
Zero point six
Three point six
Thirty-two
Thirty-two
Zero point four
Nominal pressure
Zero point four
Two point three
Forty
Forty
Four million and one thousand Twenty-five million six thousand and four hundred
Zero point seven
One
Zero point seven
One point five
Fifty
Fifty
Zero point five
One
Zero point five
One
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.
